~ubuntu-branches/ubuntu/raring/dkms/raring

#!/bin/bash
#
#  Dynamic Kernel Module Support (DKMS) <dkms-devel@dell.com>
#  Copyright (C) 2003-2008 Dell, Inc.
#  by Gary Lerhaupt, Matt Domsch, & Mario Limonciello
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

function invoke_command ()
{
    local exitval=0
    local exitval_file=`mktemp $tmp_location/dkms.XXXXXX`
    [ -z "$verbose" ] && echo -en "$2..." || echo -e "$1"
    if [ "$3" == background ] && [ -z "$verbose" ]; then
        (eval $1 >/dev/null 2>&1; echo "exitval=$?" >> "$exitval_file") &
        while [ -e "$exitval_file" ] && ! [ -s "$exitval_file" ]; do
            sleep 3
            echo -en "."
        done
        . "$exitval_file"
    else
        eval $1; exitval=$?
    fi
    [ $exitval -gt 0 ] && echo -en "(bad exit status: $exitval)"
    rm -f "$exitval_file"
    echo -en "\n"
    return $exitval
}

function show_usage ()
{
    echo $"Usage: $0 [action] [options]"
    echo $"  [action]  = { add | remove | build | install | uninstall | match"
    echo $"               | mkdriverdisk | mktarball | ldtarball | mkrpm | mkkmp | mkdeb | status }"
    echo $"  [options] = [-m module] [-v module-version] [-k kernel-version] [-a arch]"
    echo $"              [-d distro] [-c dkms.conf-location] [-q] [--force] [--all]"
    echo $"              [--templatekernel=kernel] [--directive='cli-directive=cli-value']"
    echo $"              [--config=kernel-.config-location] [--archive=tarball-location]"
    echo $"              [--kernelsourcedir=source-location] [--no-prepare-kernel]"
    echo $"              [--binaries-only] [--source-only] [-r release (SuSE)] [--verbose]"
    echo $"              [--size] [--spec=specfile] [--media=floppy|iso|tar] [--legacy-postinst=0|1]"
}

function readlink()
{
    # $1 = the symlink to read
    read_link=""
    if [ -L "$1" ]; then
        read_link="$1"
        while [ -L "$read_link" ]; do
            read_link=`ls -l $read_link | sed 's/.*-> //'`
        done
    fi
}

function VER()
{
    # $1 = kernel version string

    # Pad all numbers in $1 so that they have at least three digits, e.g.,
    #   2.6.9-1cvs200409091247 => 002.006.009-001cvs200409091247
    # The result should compare correctly as a string.

    echo $1 | sed -e 's:\([^0-9]\)\([0-9]\):\1 \2:g' \
                  -e 's:\([0-9]\)\([^0-9]\):\1 \2:g' \
                  -e 's:\(.*\): \1 :' \
                  -e 's: \([0-9]\) : 00\1 :g' \
                  -e 's: \([0-9][0-9]\) : 0\1 :g' \
                  -e 's: ::g'
}

function set_module_suffix ()
{
    # $1 = the kernel to base the module_suffix on
    kernel_test="$1"
    [ -z "$kernel_test" ] && kernel_test=`uname -r`

    if [[ $(VER $kernel_test) < $(VER 2.5) ]]; then
        module_suffix=".o"
    else
        module_suffix=".ko"
    fi
}

function set_kernel_source_dir ()
{
    # $1 = the kernel to base the directory on
    if [ -z "$kernel_source_dir" ] && [ -d "$install_tree/$1/build" ]; then
        kernel_source_dir="$install_tree/$1/build"
    fi
}

function setup_kernels_arches ()
{
    # Error if # of arches doesn't match # of kernels
    if [ ${#kernelver_array[@]} -ne ${#arch_array[@]} ] && [ ${#arch_array[@]} -gt 1 ]; then
        echo $"" >&2
        echo $"Error!  If more than one arch is specified on the command line, then there" >&2
        echo $"must be an equal number of kernel versions also specified (1:1 relationship)." >&2
        exit 1
    fi

    # Check that kernel version and all aren't both set simultaneously
    if [ -n "${kernelver_array[0]}" ] && [ -n "$all" ]; then
        echo $"" >&2
        echo $"Error!  You cannot specify a kernel version and also specify" >&2
        echo $"--all on the command line." >&2
        exit 2
    fi

    # Check that arch and all aren't both set simultaneously
    if [ -n "${arch_array[0]}" ] && [ -n "$all" ]; then
        echo $"" >&2
        echo $"Error!  You cannot specify an arch and also specify" >&2
        echo $"--all on the command line." >&2
        exit 3
    fi

    # Check that the actions supports multiple kernels
    case "$1" in
    add | build | install | match | uninstall | mkkmp )
        if [ ${#kernelver_array[@]} -gt 1 ]; then
            echo $"" >&2
            echo $"Error! The action $1 does not support multiple kernel version" >&2
            echo $"parameters on the command line." >&2
            exit 4
        fi
        if [ -n "$all" ]; then
            echo $"" >&2
            echo $"Error! The action $1 does not support the --all" >&2
            echo $"parameter." >&2
            exit 5
        fi
        ;;
    esac

    # If all is set, use dkms status to fill the arrays
    if [ -n "$all" ] && [ "$1" != "status" ]; then
        local i=0
        while read line; do
            # (I would leave out the delimiters in the status output
            #  in the first place.)
            kernelver_array[$i]=`echo $line | awk {'print $3'} | sed 's/,$//'`
            arch_array[$i]=`echo $line | awk {'print $4'} | sed 's/:$//'`
            i=$(($i + 1))
        done < <($0 status -m "$module" -v "$module_version" 2>/dev/null | \
            egrep "built|installed" | egrep -v 'installed-weak')
    fi

    # Set default kernel version and arch, if none set (but only --all isn't set)
    if [ "$1" != "status" ]; then
        [ -z "${kernelver_array[0]}" ] && [ -z "$all" ] && kernelver_array[0]=`uname -r`
        if [ -z "${arch_array[0]}" ] && [ -n "${kernelver_array[0]}" ]; then
            kernelver_rpm=`rpm -qf "/lib/modules/${kernelver_array[0]}" 2>/dev/null | grep -v "not owned by any package" | grep kernel | head -n 1`
            if ! arch_array[0]=`rpm -q --queryformat "%{ARCH}" "$kernelver_rpm" 2>/dev/null`; then
                arch_array[0]=`uname -m`
                if [ ${arch_array[0]} == "x86_64" ] && \
                    grep -q Intel /proc/cpuinfo && \
                    ls $install_tree/${kernelver_array[0]}/build/configs \
                    2>/dev/null | grep -q "ia32e"; then
                    arch_array[0]="ia32e"
                fi
            fi
        fi
    fi

    # If only one arch is specified, make it so for all the kernels
    if [ ${#arch_array[@]} -eq 1 ] && [ ${#kernelver_array[@]} -gt 1 ]; then
        while [ ${#arch_array[@]} -lt ${#kernelver_array[@]} ]; do
            arch_array[${#arch_array[@]}]=${arch_array[0]}
        done
    fi

    # Set global multi_arch
    multi_arch=""
    local i=0
    while [ $i -lt ${#arch_array[@]} ]; do
        [ "${arch_array[0]}" != "${arch_array[$i]}" ] && multi_arch="true"
        i=$(($i + 1))
    done
}

function do_depmod()
{
    # $1 = kernel version
    /sbin/depmod -au "$1" -F "/boot/System.map-$1"
}

function remake_initrd()
{
    # $1 = kernel version
    # $2 = arch

    local exitval="0"
    local mkinitrd='mkinitrd'


    # Support initramfs distributions (Debian/Ubuntu).
    if [ -x "/usr/sbin/update-initramfs" ]; then
        mkinitrd='update-initramfs'
    fi

    $mkinitrd --version >/dev/null 2>&1
    if [ "$?" -eq 0 ]; then
        echo $""
        initrd_dir="/boot"
        [ "$2" == "ia64" ] && [ -d "/boot/efi/efi/redhat" ] && initrd_dir="/boot/efi/efi/redhat"
        echo $"Saving old initrd as $initrd_dir/initrd-$1_old.img"
        cp -f "$initrd_dir/initrd-$1.img" "$initrd_dir/initrd-$1_old.img"
        echo $"Making new initrd as $initrd_dir/initrd-$1.img"
        echo $"(If next boot fails, revert to the _old initrd image)"
        invoke_command "$mkinitrd -f $initrd_dir/initrd-$1.img $1" "$mkinitrd" background
        exitval="$?"
    elif [ -e /etc/SuSE-release ] || [ -d /etc/SuSEconfig ]; then
        echo $""
        initrd_dir="/boot"
        kernel_file="vmlinuz"
        if [ ! -f "$initrd_dir/$kernel_file-$1" ]; then
            kernel_file="vmlinux"
            if [ ! -f "$initrd_dir/$kernel_file-$1" ]; then
                echo $"Error! Unable to find valid kernel file under " >&2
                echo $"$initrd_dir for kernel version $1" >&2
                echo $"" >&2
                return 1;
            fi
        fi
        echo $"Saving old initrd as $initrd_dir/initrd-$1_old"
        cp -f "$initrd_dir/initrd-$1" "$initrd_dir/initrd-$1_old"
        echo $"Making new initrd as $initrd_dir/initrd-$1"
        echo $"(If next boot fails, revert to the _old initrd image)"
        invoke_command "$mkinitrd -k $kernel_file-$1 -i initrd-$1" "$mkinitrd" background
        exitval="$?"
    elif [ -e /etc/debian_version ]; then
        echo $""
        initrd_dir="/boot"
        echo $"Updating initrd"
        echo $"Making new initrd as $initrd_dir/initrd.img-$1"
        echo $"(If next boot fails, revert to the .bak initrd image)"
        if [ "$mkinitrd" == "update-initramfs" ]; then
            invoke_command "$mkinitrd -u" "$mkinitrd" background
        else
            echo $"Saving old initrd as $initrd_dir/initrd.img-$1.bak"
            # we use the same convention as update-initramfs, so that we just
            # print the warning once
            cp -f "$initrd_dir/initrd.img-$1" "$initrd_dir/initrd.img-$1.bak"
            invoke_command "$mkinitrd -o $initrd_dir/initrd.img-$1 $1" "$mkinitrd" background
        fi
        exitval="$?"
    else
        echo $""
        echo $"Calling $mkinitrd (bad exit status 9 may occur)"
        invoke_command "$mkinitrd" "$mkinitrd" background
        exitval="$?"
    fi

    return $exitval
}

function distro_version_rpm()
{
    local whatprovides_redhat
    local whatprovides_suse
    local whatprovides_sles
    local whatprovides_ovm
    local DISTRO
    local VER
    local dist=unknown

    if ! which rpm > /dev/null 2>&1 ; then
        echo "${dist}"
        return
    fi

    whatprovides_redhat=$(rpm -q --whatprovides redhat-release)
    if [ $? -eq 0 ]; then
        case "${whatprovides_redhat}" in
        redhat*)     DISTRO=redhat ;;
        centos*)     DISTRO=centos ;;
        enterprise*) DISTRO=oel ;; # Oracle Enterprise Linux
        sl*)         DISTRO=sl ;;  # Scientific Linux
        fedora*)     DISTRO=fedora ;;
        *) ;;
        esac
    fi
    whatprovides_sles=$(rpm -q --whatprovides sles-release)
    [ $? -eq 0 ] && DISTRO=sles
    whatprovides_suse=$(rpm -q --whatprovides suse-release)
    [ $? -eq 0 ] && DISTRO=suse
    whatprovides_ovm=$(rpm -q --whatprovides ovs-release)
    [ $? -eq 0 ] && DISTRO=ovm

    case "${DISTRO}" in
    redhat)
        VER=$(rpm -q --qf "%{version}\n" ${whatprovides_redhat})
        # format is 3AS, 4AS, 5Desktop...
        VER=$(echo "${VER}" | sed -e 's/^\([[:digit:]]*\).*/\1/g')
        dist=el${VER}
        ;;
    centos)
        VER=$(rpm -q --qf "%{version}\n" ${whatprovides_redhat})
        # format is 3, 4, ...
        dist=el${VER}
        ;;
    oel)
        VER=$(rpm -q --qf "%{version}\n" ${whatprovides_redhat})
        # format is 3, 4, ...
        dist=el${VER}
        ;;
    ovm)
        VER=$(rpm -q --qf "%{version}\n" ${whatprovides_ovm})
        # format is 2.1
        dist=ovm${VER}
        ;;
    sl)
        VER=$(rpm -q --qf "%{version}\n" ${whatprovides_redhat})
        # format is 4.7, 5.3
        VER=$(echo "${VER}" | sed -e 's/^\([[:digit:]]*\).*/\1/g')
        dist=el${VER}
        ;;
    fedora)
        VER=$(rpm -q --qf "%{version}\n" ${whatprovides_redhat})
        dist=fc${VER}
        ;;
    sles)
        VER=$(rpm -q --qf "%{version}\n" ${whatprovides_sles})
        dist=sles${VER}
        ;;
    suse)
        VER=$(rpm -q --qf "%{version}\n" ${whatprovides_suse})
        dist=suse${VER}
        ;;
    *)
        dist=unknown
        ;;
    esac
    echo "$dist"
}

function distro_version()
{
# What distribution are we running?
    local LSB_RELEASE
    local LSB_DESCRIPTION
    local DISTRIB_ID
    local DISTRIB_RELEASE
    local VER
    local dist=unknown

# try the LSB-provided strings first
    if [ -r /etc/lsb-release ]; then
        . /etc/lsb-release
        LSB_RELEASE=1
    else
	DISTRIB_ID=Debian
	DISTRIB_RELEASE=$(cat /etc/debian_version)
	LSB_RELEASE=1
    fi

    case "${DISTRIB_ID}" in
    Fedora)     dist=fc${DISTRIB_RELEASE} ;;
    RedHatEnterprise*)  # OEL also reports as such
        # format is 4.7, 5.3
        VER=$(echo "${DISTRIB_RELEASE}" | sed -e 's/^\([[:digit:]]*\).*/\1/g')
        dist=el${VER}
        ;;
    CentOS)
        # format is 4.7, 5.3
        VER=$(echo "${DISTRIB_RELEASE}" | sed -e 's/^\([[:digit:]]*\).*/\1/g')
        dist=el${VER}
        ;;
    ScientificSL)
        # format is 4.7, 5.3
        VER=$(echo "${DISTRIB_RELEASE}" | sed -e 's/^\([[:digit:]]*\).*/\1/g')
        dist=el${VER}
        ;;
    SUSE*)
        LSB_DESCRIPTION="$(lsb_release -d -s)"
        if echo "${LSB_DESCRIPTION}" | grep Enterprise > /dev/null 2>&1; then
            dist=sles${DISTRIB_RELEASE}
        else
            dist=suse${DISTRIB_RELEASE}
        fi
        ;;
    *)
        if [ -n "${LSB_RELEASE}" -a -n "${DISTRIB_ID}" -a -n "${DISTRIB_RELEASE}" ]; then
            dist="${DISTRIB_ID}${DISTRIB_RELEASE}"
        fi
        ;;
    esac

    if [ "${dist}" == "unknown" ]; then
        dist=$(distro_version_rpm)
    fi
    echo "$dist"
}

function override_dest_module_location()
{
    local orig_location="$1"
    [ -n "${addon_modules_dir}" ] && echo "/${addon_modules_dir}" && return

    case "$running_distribution" in
    fc[12345]) ;;
    el[1234]) ;;
    sles[123456789]) ;;
    suse[123456789]) ;;
    suse10\.[01]) ;;
    fc*) echo "/extra" && return ;;
    el*) echo "/extra" && return ;;
    ovm*) echo "/extra" && return ;;
    sles*) echo "/updates" && return ;;
    suse*) echo "/updates" && return ;;
    Ubuntu*) echo "/updates/dkms" && return ;;
    Debian*) echo "/updates/dkms" && return ;;
    *) ;;
    esac
    echo "$orig_location"
}

function read_conf ()
{
    # $1 kernel version (required)
    # $2 arch (required)
    # $3 dkms.conf location (optional)

    local return_value=0
    local read_conf_file

    # Find which conf file to check
    if [ -n "$3" ]; then
        read_conf_file="$3"
    elif [ -n "$conf" ]; then
        read_conf_file="$conf"
    else
        read_conf_file="$dkms_tree/$module/$module_version/source/dkms.conf"
    fi

    # Clear variables
    MAKE=""
    CLEAN=""
    REMAKE_INITRD=""
    remake_initrd=""
    PACKAGE_NAME=""
    PACKAGE_VERSION=""
    POST_ADD=""
    POST_BUILD=""
    POST_INSTALL=""
    POST_REMOVE=""
    PRE_BUILD=""
    PRE_INSTALL=""
    BUILD_EXCLUSIVE_KERNEL=""
    BUILD_EXCLUSIVE_ARCH=""
    build_exclude=""
    OBSOLETE_BY=""

    # Clear arrays
    unset MAKE
    unset MAKE_MATCH
    unset MODULES_CONF
    unset modules_conf_array
    unset PATCH
    unset PATCH_MATCH
    unset patch_array
    unset BUILT_MODULE_NAME
    unset built_module_name
    unset BUILT_MODULE_LOCATION
    unset built_module_location
    unset DEST_MODULE_NAME
    unset dest_module_name
    unset DEST_MODULE_LOCATION
    unset dest_module_location
    unset MODULES_CONF_OBSOLETES
    unset modules_conf_obsoletes
    unset MODULES_CONF_ALIAS_TYPE
    unset modules_conf_alias_type
    unset MODULES_CONF_OBSOLETE_ONLY
    unset modules_conf_obsolete_only
    unset STRIP
    unset strip

    # Set variables supported in dkms.conf files (eg. $kernelver)
    kernelver="$1"
    arch="$2"
    set_kernel_source_dir "$1"

    # Source in the dkms.conf
    . $read_conf_file 2>/dev/null

    # check environment for directives
    # You can't have an array of variables exported
    # so look for DKMS_DIRECTIVE0, DKMS_DIRECTIVE1, ...
    for directive in `set | grep ^DKMS_DIRECTIVE | cut -d = -f 2-3`; do
        directive_name=${directive%%=*}
        directive_value=${directive#*=}
        export $directive_name="$directive_value"
        echo $"DIRECTIVE: $directive_name=\"$directive_value\""
    done

    # Source in the directive_array
    for directive in "${directive_array[@]}"; do
        directive_name=${directive%%=*}
        directive_value=${directive#*=}
        export $directive_name="$directive_value"
        echo $"DIRECTIVE: $directive_name=\"$directive_value\""
    done

    # Set variables
    clean="$CLEAN"
    package_name="$PACKAGE_NAME"
    package_version="$PACKAGE_VERSION"
    post_add="$POST_ADD"
    post_build="$POST_BUILD"
    post_install="$POST_INSTALL"
    post_remove="$POST_REMOVE"
    pre_build="$PRE_BUILD"
    pre_install="$PRE_INSTALL"
    obsolete_by="$OBSOLETE_BY"

    # Set module naming/location arrays
    local index=0
    array_size=`echo -e "${#BUILT_MODULE_NAME[@]}\n${#BUILT_MODULE_LOCATION[@]}\n${#DEST_MODULE_NAME[@]}\n${#DEST_MODULE_LOCATION[@]}\n" | sort -n | tail -n 1`
    while [ "$index" -lt "$array_size" ]; do
        # Set values
        built_module_name[$index]=${BUILT_MODULE_NAME[$index]}
        built_module_location[$index]=${BUILT_MODULE_LOCATION[$index]}
        dest_module_name[$index]=${DEST_MODULE_NAME[$index]}
        dest_module_location[$index]=${DEST_MODULE_LOCATION[$index]}
        modules_conf_obsoletes[$index]=${MODULES_CONF_OBSOLETES[$index]}
        modules_conf_alias_type[$index]=${MODULES_CONF_ALIAS_TYPE[$index]}
        case "${MODULES_CONF_OBSOLETE_ONLY[$index]}" in
        [yY]*)
            modules_conf_obsolete_only[$index]="yes"
            ;;
        esac
        case "${STRIP[$index]}" in
        [nN]*)
            strip[$index]="no"
            ;;
        *)
            strip[$index]="yes"
            ;;
        esac

        # If unset, set by defaults
        [ -z "${built_module_name[$index]}" ] && [ ${#DEST_MODULE_LOCATION[@]} -eq 1 ] && built_module_name[$index]=$module
        [ -z "${dest_module_name[$index]}" ] && dest_module_name[$index]=${built_module_name[$index]}
        if [ -n "${built_module_location[$index]}" ] && \
           [ "${built_module_location[$index]:(-1)}" != "/" ]; then
            built_module_location[$index]="${built_module_location[$index]}/"
        fi

        # FAIL if no built_module_name
        if [ -z "${built_module_name[$index]}" ]; then
            echo $"dkms.conf: Error! No 'BUILT_MODULE_NAME' directive specified for record #$index." >&2
            return_value=1
        fi

        # FAIL if built_module_name ends in .o or .ko
        case "${built_module_name[$index]}" in
        *.o | *.ko)
            echo $"dkms.conf: Error! 'BUILT_MODULE_NAME' directive ends in '.o' or '.ko' in record #$index." >&2
            return_value=1
            ;;
        esac

        # FAIL if dest_module_name ends in .o or .ko
        case "${dest_module_name[$index]}" in
        *.o | *.ko)
            echo $"dkms.conf: Error! 'DEST_MODULE_NAME' directive ends in '.o' or '.ko' in record #$index." >&2
            return_value=1
            ;;
        esac

        # Override location for specific kernels
        dest_module_location[$index]="$(override_dest_module_location ${dest_module_location[$index]})"

        # Fail if no DEST_MODULE_LOCATION
        if [ -z "${DEST_MODULE_LOCATION[$index]}" ]; then
            echo $"dkms.conf: Error! No 'DEST_MODULE_LOCATION' directive specified for record #$index.">&2
            return_value=1
        fi
            # Fail if bad DEST_MODULE_LOCATION
        case "${DEST_MODULE_LOCATION[$index]}" in
        /kernel*) ;;
        /updates*) ;;
        /extra*) ;;
        *)
            echo $"dkms.conf: Error! Directive 'DEST_MODULE_LOCATION' does not begin with">&2
            echo $"'/kernel', '/updates', or '/extra' in record #$index.">&2
            return_value=1
            ;;
        esac

        index=$(($index+1))
    done

    # Get the correct make command
    index=0
    [ -z "${MAKE_MATCH[0]}" ] && make_command="${MAKE[0]}"
    while [ "$index" -lt ${#MAKE[@]} ]; do
        if [ -n "${MAKE[$index]}" ] && \
            [ -n "${MAKE_MATCH[$index]}" ] && \
            echo $1 | egrep -q "${MAKE_MATCH[$index]}"; then
            make_command="${MAKE[$index]}"
        fi
        index=$(($index+1))
    done

    # Use the generic make and make clean commands if not specified
    if [[ $(VER $1) < $(VER 2.6.6) ]]; then
        if [ -z "$make_command" ]; then
            make_command="make -C $kernel_source_dir SUBDIRS=$dkms_tree/$module/$module_version/build modules"
        fi
        if [ -z "$clean" ]; then
            clean="make -C $kernel_source_dir SUBDIRS=$dkms_tree/$module/$module_version/build clean"
        fi
    else
        if [ -z "$make_command" ]; then
            make_command="make -C $kernel_source_dir M=$dkms_tree/$module/$module_version/build"
        fi
        if [ -z "$clean" ]; then
            clean="make -C $kernel_source_dir M=$dkms_tree/$module/$module_version/build clean"
        fi
    fi

    # Set modules_conf_array
    index=0
    while [ "$index" -lt ${#MODULES_CONF[@]} ]; do
        [ -n "${MODULES_CONF[$index]}" ] && modules_conf_array[$index]="${MODULES_CONF[$index]}"
        index=$(($index+1))
    done

    # Set patch_array (including kernel specific patches)
    index=0
    count=0
    while [ "$index" -lt ${#PATCH[@]} ]; do
        if [ -n "${PATCH[$index]}" ]; then
            if [ -z "${PATCH_MATCH[$index]}" ] || \
                echo $1 | egrep -q "${PATCH_MATCH[$index]}"; then
                patch_array[$count]="${PATCH[$index]}"
                count=$(($count+1))
            fi
        fi
        index=$(($index+1))
    done

    # Set remake_initrd
    [ `echo "$REMAKE_INITRD" | grep -ic "^y"` -gt 0 ] && remake_initrd="yes"

    # Set build_exclude
    if [ -n "$BUILD_EXCLUSIVE_KERNEL" ]; then
        echo $1 | egrep -q "$BUILD_EXCLUSIVE_KERNEL" || build_exclude="yes"
    fi
    if [ -n "$BUILD_EXCLUSIVE_ARCH" ]; then
        echo $2 | egrep -q "$BUILD_EXCLUSIVE_ARCH" || build_exclude="yes"
    fi

    # Fail if absolutely no DEST_MODULE_LOCATION
    if [ ${#dest_module_location[@]} -eq 0 ]; then
        echo $"dkms.conf: Error! No 'DEST_MODULE_LOCATION' directive specified." >&2
        return_value=1
    fi

    # Fail if no PACKAGE_NAME
    if [ -z "$package_name" ]; then
        echo $"dkms.conf: Error! No 'PACKAGE_NAME' directive specified.">&2
        return_value=1
    fi

    # Fail if no PACKAGE_VERSION
    if [ -z "$package_version" ]; then
        echo $"dkms.conf: Error! No 'PACKAGE_VERSION' directive specified.">&2
        return_value=1
    fi

    # Set clean
    [ -z "$clean" ] && clean="make clean"

    return $return_value
}


function check_version_sanity ()
{
    # $1 = kernel_version
    # $2 = arch
    # $3 = obs by kernel version
    # $4 = dest_module_name

    local lib_tree="$install_tree/$1"
    echo $"Running module version sanity check."
    local module_count=`find $lib_tree -name ${4}$module_suffix | wc -l | awk {'print $1'}`
    if [ $module_count -gt 1 ]; then
        echo $"Warning! Cannot do version sanity checking because multiple ${4}$module_suffix" >&2
        echo $"modules were found in kernel $1." >&2
    elif [ $module_count -eq 1 ]; then
        local kernels_module=`find $lib_tree -name ${4}$module_suffix`
        local kernels_ver_string=`modinfo $kernels_module | grep "^version:"`
        local kernels_ver_value=`echo $kernels_ver_string | awk {'print $2'}`
        local dkms_module="$dkms_tree/$module/$module_version/$1/$2/module/${4}$module_suffix"
        local dkms_ver_string=`modinfo $dkms_module | grep "^version:"`
        local dkms_ver_value=`echo $dkms_ver_string | awk {'print $2'}`

        # there are 2 possible srcversion checksums
        # one in the 'srcversion' tag alone (preferred)
        # and one following the version field in the 'version' tag (deprecated)
        local kernels_ver_checksum=`modinfo $kernels_module | awk '/^srcversion:/ {print $2}'`
        local dkms_ver_checksum=`modinfo $dkms_module | awk '/^srcversion:/ {print $2}'`
        if [ -z "$kernels_ver_checksum" -a -z "$dkms_ver_checksum" ]; then
            kernels_ver_checksum=`echo $kernels_ver_string | awk {'print $3'}`
            dkms_ver_checksum=`echo $dkms_ver_string | awk {'print $3'}`
        fi

        if [ -n "$kernels_ver_checksum" -a -n "$dkms_ver_checksum" -a \
            "$kernels_ver_checksum" == "$dkms_ver_checksum" -a -z "$force" ]; then
            echo $"" >&2
            echo $"Good news! Module version $dkms_ver_value for ${4}$module_suffix" >&2
            echo $"exactly matches what is already found in kernel $1." >&2
            echo $"DKMS will not replace this module." >&2
            echo $"You may override by specifying --force." >&2
            return 1
        fi

        if [ -n "$kernels_ver_value" -a -n "$dkms_ver_value" ]; then
            if [[ ! ( $(VER $dkms_ver_value) > \
                      $(VER $kernels_ver_value) ) && -z "$force" ]]; then
                echo $"" >&2
                echo $"Error! Module version $dkms_ver_value for ${4}$module_suffix" >&2
                echo $"is not newer than what is already found in kernel $1 ($kernels_ver_value)." >&2
                echo $"You may override by specifying --force." >&2
                return 1
            fi
        fi

        local obs_upstream=`echo $3 | cut -d- -f 1`
        local obs_local=`echo $3 | cut -d- -f 2`
        local my_upstream=`echo $1 | cut -d- -f 1`
        local my_local=`echo $1 | cut -d- -f 2`
        local obsolete=0
        if [ -n "$obs_upstream" -a -n "$my_upstream" ]; then
            if [[ ( $(VER $obs_upstream) == $(VER $my_upstream) ) && -z "$force" ]]; then
            #they get obsoleted possibly in this kernel release
                if [ -z "$obs_local" ]; then
                #they were obsoleted in this upstream kernel
                    obsolete=1
                elif [[ ( $(VER $my_local) > $(VER $obs_local) ) ]]; then
                #they were obsoleted in an earlier ABI bump of the kernel
                    obsolete=1
                elif [[ ( $(VER $my_local) = $(VER $obs_local) ) ]]; then
                #they were obsoleted in this ABI bump of the kernel
                    obsolete=1
                fi
            elif [[ ( $(VER $my_upstream) > $(VER $obs_upstream) ) && -z "$force" ]]; then
            #they were obsoleted in an earlier kernel release
                obsolete=1
            fi
        fi

        if [ "$obsolete" == 1 ]; then
            echo $"" >&2
            echo $"Module has been obsoleted due to being included" >&2
            echo $"in kernel $3.  We will avoid installing" >&2
            echo $"for future kernels above $3." >&2
            echo $"You may override by specifying --force." >&2
            return 1
        fi
    fi
    return 0
}


function moduleconfig_add ()
{
    # $1 = kernel version

    local temp_dir_name=`mktemp -d $tmp_location/dkms.XXXXXX`
    modconfig_files=""
    [ -e /etc/modprobe.d/dkms.conf ] && modconfig_files="/etc/modprobe.d/dkms.conf"
    [ -e /etc/modprobe.d/dkms ] && modconfig_files="/etc/modprobe.d/dkms"
    [ -e /etc/modules.conf ] && modconfig_files="$modconfig_files /etc/modules.conf"
    [ -e /etc/modprobe.conf ] && modconfig_files="$modconfig_files /etc/modprobe.conf"
    [ -e /etc/modprobe.d/$package_name.conf ] && modconfig_files="/etc/modprobe.d/$package_name.conf"

    if [ -z "$modconfig_files" ]; then
        modconfig_files="/etc/modprobe.d/$package_name.conf"
    fi


    for moduleconfig in $modconfig_files; do
        local index=0
        while [ $index -lt ${#dest_module_name[@]} ]; do
            # Replace obsolete references in module-config-file with the new module name
            if [ -n "${modules_conf_obsoletes[$index]}" ]; then
                for obsolete_module in ${modules_conf_obsoletes[$index]//,/ }; do
                    sed "s/\(alias ${modules_conf_alias_type[$index]}[0-9]*\) $obsolete_module$/\1 ${dest_module_name[$index]}/g" $moduleconfig > $temp_dir_name/moduleconfig.new
                    if ! diff $moduleconfig $temp_dir_name/moduleconfig.new >/dev/null 2>&1; then
                        cp -fp $temp_dir_name/moduleconfig.new $moduleconfig 2>/dev/null
                        rm -f $temp_dir_name/moduleconfig.new 2>/dev/null
                        echo $"$moduleconfig: obsolete alias '$obsolete_module' changed to '${dest_module_name[$index]}'"
                    fi
                    if [ -e /etc/sysconfig/kernel ]; then
                       sed -e "s/\(INITRD_MODULES.*\)$obsolete_module\b\(.*\)/\1${dest_module_name[$index]}\2/" /etc/sysconfig/kernel > $temp_dir_name/kernel.new
                       if ! diff $temp_dir_name/kernel.new /etc/sysconfig/kernel >/dev/null 2>&1; then
                           cp -fp $temp_dir_name/kernel.new /etc/sysconfig/kernel 2>/dev/null
                           rm -f $temp_dir_name/kernel.new 2>/dev/null
                           echo $"/etc/sysconfig/kernel: obsolete alias '$obsolete_module' changed to '${dest_module_name[$index]}'"
                       fi
                    fi
                done
            fi

            # Only add it if it can't be found already in config file
            if [ -n "${modules_conf_alias_type[$index]}" ] && \
               ! grep -qs "alias ${modules_conf_alias_type[$index]}[0-9]* ${dest_module_name[$index]}\b" $moduleconfig && \
               [ "${modules_conf_obsolete_only[$index]}" != "yes" ]; then
                if [ "$modconfig_files" == "/etc/modprobe.d/$package_name.conf" ] && \
                    [ ! -e /etc/modprobe.d/$package_name.conf ]; then
                    touch /etc/modprobe.d/$package_name.conf
                    echo $"created /etc/modprobe.d/$package_name.conf.">&2
                fi
                aliases=$(awk "/^alias ${modules_conf_alias_type[$index]}/ {print \$2}" $moduleconfig)
                if [ -n "$aliases" ]; then
                    alias_number=$(($(echo "$aliases" | sed "s/${modules_conf_alias_type[$index]}//" | sort -n | tail -n 1) + 1))
                else
                    alias_number=0
                fi
                echo -e "alias ${modules_conf_alias_type[$index]}${alias_number} ${dest_module_name[$index]}" >> $moduleconfig
                echo $"$moduleconfig: added alias reference for '${dest_module_name[$index]}'"
            fi

            index=$(($index+1))
        done

        # Add anything else
        index=0
        while [ $index -lt ${#modules_conf_array[@]} ]; do
            if [ -n "${modules_conf_array[$index]}" ] && \
            ! grep -q "${modules_conf_array[$index]}" "$moduleconfig"; then
            echo -e $"$moduleconfig: added '${modules_conf_array[$index]}'"
            echo -e "${modules_conf_array[$index]}" >> $moduleconfig
            fi
            index=$(($index+1))
        done
    done

    # Delete the temp dir
    rm -rf $temp_dir_name
}


function moduleconfig_remove ()
{
    # $1 = kernel version

    local temp_dir_name=`mktemp -d $tmp_location/dkms.XXXXXX`
    modconfig_files=""
    [ -e /etc/modprobe.d/dkms.conf ] && modconfig_files="/etc/modprobe.d/dkms.conf"
    [ -e /etc/modprobe.d/dkms ] && modconfig_files="/etc/modprobe.d/dkms"
    [ -e /etc/modules.conf ] && modconfig_files="$modconfig_files /etc/modules.conf"
    [ -e /etc/modprobe.conf ] && modconfig_files="$modconfig_files /etc/modprobe.conf"
    [ -e /etc/modprobe.d/$package_name.conf ] && modconfig_files="/etc/modprobe.d/$package_name.conf"

    for moduleconfig in $modconfig_files; do
        index=0
        while [ $index -lt ${#dest_module_name[@]} ]; do

            # Remove/Replace aliases (maybe)
            if [ -n "${modules_conf_alias_type[$index]}" ] && [ `find $install_tree/$1/ -name "${dest_module_name[$index]}.*" 2>/dev/null | wc -l | awk '{print $1}'` -eq 0 ]; then

                local conf_replacement=""
                for obsolete_module in ${modules_conf_obsoletes[$index]//,/ }; do
                    if [ `find $install_tree/$1/ -name "$obsolete_module.*" 2>/dev/null | wc -l | awk '{print $1}'` -gt 0 ] && [ -z "$conf_replacement" ]; then
                        conf_replacement=$obsolete_module
                    fi
                done

                if [ -n "$conf_replacement" ] && \
                    grep -q "alias ${modules_conf_alias_type[$index]}[0-9]* ${dest_module_name[$index]}$" $moduleconfig; then
                    sed "s/\(alias ${modules_conf_alias_type[$index]}[0-9]*\) ${dest_module_name[$index]}$/\1 $conf_replacement/g" $moduleconfig > $temp_dir_name/moduleconfig.new
                    mv -f $temp_dir_name/moduleconfig.new $moduleconfig
                    echo $"$moduleconfig: alias for '${dest_module_name[$index]}' changed back to '$conf_replacement'"
                elif [ -z "$conf_replacement" ]; then
                    grep -v "alias ${modules_conf_alias_type[$index]}[0-9]* ${dest_module_name[$index]}" $moduleconfig > $temp_dir_name/moduleconfig.new
                    mv -f $temp_dir_name/moduleconfig.new $moduleconfig
                    echo $"$moduleconfig: removed alias for '${dest_module_name[$index]}'"
                    if [ "$modconfig_files" == "/etc/modprobe.d/$package_name.conf" ]; then
                        rm -f /etc/modprobe.d/$package_name.conf
                        echo $"$moduleconfig: deleted /etc/modprobe.d/$package_name.conf file"
                    fi
                fi
            fi

            index=$(($index+1))
        done

        # Remove static conf entries
        index=0
        while [ $index -lt ${#modules_conf_array[@]} ]; do
            if [ -n "${modules_conf_array[$index]}" ]; then
            grep -v "${modules_conf_array[$index]}" "$moduleconfig" > $temp_dir_name/moduleconfig.new
            echo $"$moduleconfig: removed '${modules_conf_array[$index]}'"
            mv -f $temp_dir_name/moduleconfig.new $moduleconfig
            fi
            index=$(($index+1))
        done
    done

    # Delete the temp dir
    rm -rf $temp_dir_name
}

# Does string word exist as a word in string list?
# returns 0 if word present, 1 if word not present
function is_word_in_list ()
{
    for l in $2; do
        [ "$1" = "${l}" ] && return 0
    done
    return 1
}

function etc_sysconfig_kernel_modify ()
{
    # Make a temp directory to store files
    local temp_dir_name=`mktemp -d $tmp_location/dkms.XXXXXX`

    if [ -e "/etc/sysconfig/kernel" ] && [ -n "$remake_initrd" ]; then
        # Make /etc/sysconfig/kernel changes as necessary
        if [ "$1" == "add" ]; then
            unset INITRD_MODULES
            eval `grep ^INITRD_MODULES= /etc/sysconfig/kernel`
            for module_name_after in "${dest_module_name[@]}"; do
                if ! is_word_in_list "${module_name_after}" "${INITRD_MODULES}"; then
                    sed -e "s/INITRD_MODULES=\"\(.*\)\"/INITRD_MODULES=\"\1 $module_name_after\"/" /etc/sysconfig/kernel > $temp_dir_name/kernel.new
                    mv $temp_dir_name/kernel.new /etc/sysconfig/kernel
                fi
            done
        unset INITRD_MODULES

        # Remove /etc/sysconfig/kernel entries
        elif [ "$1" == "delete" ]; then
            for module_name_after in "${dest_module_name[@]}"; do
                sed -e "s/\(INITRD_MODULES.*\)$module_name_after\b\(.*\)/\1\2/" /etc/sysconfig/kernel > $temp_dir_name/kernel.new
                mv $temp_dir_name/kernel.new /etc/sysconfig/kernel
            done
        fi
    fi

    # Delete the temp dir
    rm -rf $temp_dir_name
}

function add_module ()
{
    setup_kernels_arches "add"

    # Check that we have all the arguments
    if [ -z "$module" ] || [ -z "$module_version" ]; then
        echo $"" >&2
        echo $"Error! Invalid number of arguments passed." >&2
        echo $"Usage: add -m <module> -v <module-version>" >&2
        exit 1
    fi

    if [ -z "$conf" ]; then
        conf="$source_tree/$module-$module_version/dkms.conf"
    fi

    # Check that /usr/src/$module-$module_version exists
    if ! [ -d "$source_tree/$module-$module_version" ]; then
        echo $"" >&2
        echo $"Error! Could not find module source directory." >&2
        echo $"Directory: $source_tree/$module-$module_version does not exist." >&2
        exit 2
    fi

    # Do stuff for --rpm_safe_upgrade
    if [ -n "$rpm_safe_upgrade" ]; then
        local pppid=`sed -ne 's/PPid:[ \t]*//p' /proc/$PPID/status`
        local temp_dir_name=`mktemp $tmp_location/dkms_rpm_safe_upgrade_lock.$pppid.XXXXXX 2>/dev/null`
        echo "$module-$module_version" >> $temp_dir_name
        ps -o lstart --no-headers -p $pppid 2>/dev/null >> $temp_dir_name
    fi

    # Check that this module-version hasn't already been added
    if [ -d "$dkms_tree/$module/$module_version" ]; then
        echo $"" >&2
        echo $"Error! DKMS tree already contains: $module-$module_version" >&2
        echo $"You cannot add the same module/version combo more than once." >&2
        exit 3
    fi

    # Check that the conf file exists or any other script specified
    if ! [ -e "$conf" ]; then
        echo $"" >&2
        echo $"Error! Could not locate dkms.conf file." >&2
        echo $"File: $conf does not exist." >&2
        exit 4
    fi

    # Check the conf file for sanity
    read_conf "${kernelver_array[0]}" "${arch_array[0]}" "$conf"
    if [ "$?" -ne 0 ]; then
        echo $"" >&2
        echo $"Error! Bad conf file." >&2
        echo $"File: $conf" >&2
        echo $"does not represent a valid dkms.conf file." >&2
        exit 8
    fi

    # Create the necessary dkms tree structure
    echo $""
    echo $"Creating symlink $dkms_tree/$module/$module_version/source ->"
    echo $"                 $source_tree/$module-$module_version"
    mkdir -p "$dkms_tree/$module/$module_version/build"
    ln -s "$source_tree/$module-$module_version" "$dkms_tree/$module/$module_version/source"

    # Run the post_add script
    if [ -n "$post_add" ] && [ -x `echo "$dkms_tree/$module/$module_version/source/$post_add" | sed 's/ .*//'` ]; then
        echo $""
        echo $"Running the post_add script:"
        $dkms_tree/$module/$module_version/source/$post_add
    fi

    echo $""
    echo $"DKMS: add Completed."
}

function prepare_kernel()
{
    # $1 = kernel version to prepare
    # $2 = arch to prepare

    set_kernel_source_dir "$1"

    # Check that kernel-source exists
    if ! [ -e "$kernel_source_dir/include" ]; then
        echo $"" >&2
        echo $"Error! Your kernel headers for kernel $1 cannot be found at" >&2
        echo $"/lib/modules/$1/build or /lib/modules/$1/source." >&2
        echo -n $"You can use the --kernelsourcedir option to tell DKMS where it's located"
        case "$running_distribution" in
        Debian* | Ubuntu* )
            echo $", or you could install the linux-headers-$1 package."
            ;;
        * )
            echo $"."
            ;;
        esac
        exit 1
    fi

    if [ -n "$no_prepare_kernel" ]; then
        return
    fi

    if [[ (! ( $(VER $1) < $(VER 2.6.5) ) || (-d /etc/SuSEconfig)) && \
       -d "$kernel_source_dir" && \
       -z "$ksourcedir_fromcli" ]]; then
        echo $""
        echo $"Kernel preparation unnecessary for this kernel.  Skipping..."
        no_clean_kernel="no-clean-kernel"
        return 1
    fi

    # Prepare kernel for module build
    echo $""
    echo $"Preparing kernel $1 for module build:"
    echo $"(This is not compiling a kernel, just preparing kernel symbols)"
    cd $kernel_source_dir
    config_contents=`cat .config 2>/dev/null`
    [ -n "$config_contents" ] && echo $"Storing current .config to be restored when complete"

    # Set kernel_config
    if [ -e /etc/redhat-release ] || [ -e /etc/fedora-release ]; then
        # Note this also applies to VMware 3.x
        if [ -z "$kernel_config" ] && [ -d "$kernel_source_dir/configs" ]; then
            local kernel_trunc=`echo $1 | sed 's/-.*//'`
            for config_type in debug summit smp enterprise bigmem hugemem BOOT vmnix; do
                [ `echo "$1" | grep "$config_type"` ] && kernel_config="$kernel_source_dir/configs/kernel-$kernel_trunc-$2-$config_type.config"
                [ ! -e "$kernel_config" ] && kernel_config=""
            done
            [ -z "$kernel_config" ] && kernel_config="$kernel_source_dir/configs/kernel-$kernel_trunc-$2.config"
            [ ! -e "$kernel_config" ] && kernel_config=""
        fi
    elif [ -e /etc/SuSE-release ] || [ -d /etc/SuSEconfig ]; then
        if [ -z "$kernel_config" ] && [ -d "$kernel_source_dir/arch" ]; then
            local kernel_trunc=`echo $1 | sed 's/-.*//'`
            if [ "$2" == "i586" ] || [ "$2" == "i686" ]; then
                config_arch="i386"
            else
                config_arch=$2
            fi
            for config_type in default smp bigsmp; do
                [ `echo "$1" | grep "$config_type"` ] && kernel_config="$kernel_source_dir/arch/$config_arch/defconfig.$config_type"
                [ ! -e "$kernel_config" ] && kernel_config=""
            done
            [ -z "$kernel_config" ] && kernel_config="$kernel_source_dir/arch/$config_arch/defconfig.default"
            [ ! -e "$kernel_config" ] && kernel_config=""
        fi
    fi

    # Do preparation
    if [ -e /boot/vmlinuz.version.h ]; then
        echo $"Running UnitedLinux preparation routine"
        local kernel_config="/boot/vmlinuz.config"
        invoke_command "make mrproper" "make mrproper" background
        [ -n "$config_contents" ] && echo "$config_contents" > .config
        invoke_command "cp /boot/vmlinuz.version.h include/linux/version.h" "using /boot/vmlinux.version.h"
        invoke_command "cp -f $kernel_config .config" "using $kernel_config"
        invoke_command "make KERNELRELEASE=$1 cloneconfig" "make cloneconfig" background
        invoke_command "make CONFIG_MODVERSIONS=1 KERNELRELEASE=$1 dep" "make CONFIG_MODVERSIONS=1 dep" background
    elif grep -q rhconfig.h $kernel_source_dir/include/linux/{modversions,version}.h 2>/dev/null; then
        echo $"Running Red Hat style preparation routine"
        invoke_command "make clean" "make clean" background
        [ -n "$config_contents" ] && echo "$config_contents" > .config

        if [ -n "$kernel_config" ]; then
            echo $"using $kernel_config"
            cp -f "$kernel_config" .config
        elif [ -e .config ]; then
            echo $"using $kernel_source_dir/.config"
            echo $"(I hope this is the correct config for this kernel)"
        else
            echo $""
            echo $"Warning! Cannot find a .config file to prepare your kernel with." >&2
            echo $"Try using the --config option to specify where one can be found." >&2
            echo $"Your build will likely fail because of this." >&2
        fi

        # Hack to workaround broken tmp_include_depends for Red Hat
        if grep -q "/usr/src/build" $kernel_source_dir/tmp_include_depends 2>/dev/null; then
            sed 's/\/usr\/src\/build\/.*\/install//g' $kernel_source_dir/tmp_include_depends > $kernel_source_dir/tmp_include_depends.new
            mv -f $kernel_source_dir/tmp_include_depends.new $kernel_source_dir/tmp_include_depends
        fi

        invoke_command "make KERNELRELEASE=$1 oldconfig" "make oldconfig" background
        kerneldoth_contents=`cat /boot/kernel.h 2>/dev/null`
        invoke_command "/usr/lib/dkms/mkkerneldoth --kernelver $1 --targetarch $2 --output /boot/kernel.h" "running mkkerneldoth" background
    else
        echo $"Running Generic preparation routine"
        invoke_command "make mrproper" "make mrproper" background
        [ -n "$config_contents" ] && echo "$config_contents" > .config

        if [ -n "$kernel_config" ]; then
            echo $"using $kernel_config"
            cp -f "$kernel_config" .config
        elif [ -e .config ]; then
            echo $"using $kernel_source_dir/.config"
            echo $"(I hope this is the correct config for this kernel)"
        else
            echo $""
            echo $"Warning! Cannot find a .config file to prepare your kernel with." >&2
            echo $"Try using the --config option to specify where one can be found." >&2
            echo $"Your build will likely fail because of this." >&2
        fi

        invoke_command "make KERNELRELEASE=$1 oldconfig" "make oldconfig" background
        if [[ $(VER $1) < $(VER 2.5) ]]; then
            invoke_command "make KERNELRELEASE=$1 dep" "make dep" background
        else
            invoke_command "make KERNELRELEASE=$1 prepare-all scripts" "make prepare-all" background
        fi
    fi
    cd - >/dev/null
}

function list_each_installed_module ()
{
    # $1 = module
    # $2 = kernel version
    # $3 = arch
    local count=0
    local real_dest_module_location
    while [ "$count" -lt "${#built_module_name[@]}" ]; do
        real_dest_module_location="$(find_actual_dest_module_location $1 $count $2 $3)"
        echo "$install_tree/$2${real_dest_module_location}/${dest_module_name[$count]}$module_suffix"
        count=$(($count + 1))
    done
}

function set_weak_modules()
{
    [ -n "${weak_modules}" ] && return
    [ -x /sbin/weak-modules ] && weak_modules='/sbin/weak-modules'
    [ -x /usr/lib/module-init-tools/weak-modules ] && weak_modules='/usr/lib/module-init-tools/weak-modules'
}

function install_module()
{
    setup_kernels_arches "install"
    local base_dir="$dkms_tree/$module/$module_version/${kernelver_array[0]}/${arch_array[0]}"

    # Check that the right arguments were passed
    if [ -z "$module" ] || [ -z "$module_version" ]; then
        echo $"" >&2
        echo $"Error! Invalid number of parameters passed." >&2
        echo $"Usage: install -m <module> -v <module-version>" >&2
        exit 1
    fi

    # Check that $module-$module_version exists by checking the source symlink
    if ! [ -d "$dkms_tree/$module/$module_version/source" ]; then
        echo $"" >&2
        echo $"Error! DKMS tree does not contain: $module-$module_version" >&2
        echo $"Build cannot continue without the proper tree." >&2
        exit 2
    fi

    # Make sure that kernel exists to install into
    if ! [ -e "$install_tree/${kernelver_array[0]}" ]; then
        echo $"" >&2
        echo $"Error! The directory $install_tree/${kernelver_array[0]} doesn't exist." >&2
        echo $"You cannot install a module onto a non-existant kernel." >&2
        exit 6
    fi

    # Read the conf file
    read_conf "${kernelver_array[0]}" "${arch_array[0]}"
    if [ "$?" -ne 0 ]; then
        echo $"" >&2
        echo $"Error! Bad conf file." >&2
        echo $"Your dkms.conf is not valid." >&2
        exit 3
    fi

    # Make sure the $module_name_after exists
    set_module_suffix "${kernelver_array[0]}"
    for module_name_after in "${dest_module_name[@]}"; do
        if ! [ -e "$base_dir/module/$module_name_after$module_suffix" ]; then
            echo $"" >&2
            echo $"Error! Could not locate $module_name_after$module_suffix for module $module in the DKMS tree." >&2
            echo $"You must run a dkms build for kernel ${kernelver_array[0]} (${arch_array[0]}) first." >&2
            exit 4
        fi
    done

    # Check that its not already installed (kernel symlink)
    readlink "$dkms_tree/$module/kernel-${kernelver_array[0]}-${arch_array[0]}"
    kernel_symlink="$read_link"
    if [ "$kernel_symlink" == "$module_version/${kernelver_array[0]}/${arch_array[0]}" ]; then
        echo $"" >&2
        echo $"Error! This module/version combo is already installed" >&2
        echo $"for kernel: ${kernelver_array[0]} (${arch_array[0]})" >&2
        exit 5
    fi

    # if upgrading using rpm_safe_upgrade, go ahead and force the install
    # else we can wind up with the first half of an upgrade failing to install anything,
    # while the second half of the upgrade, the removal, then succeeds, leaving us with
    # nothing installed.
    if [ -n "$rpm_safe_upgrade" ]; then
        force="true"
    fi

    # Save the original_module if one exists, none have been saved before, and this is the first module for this kernel
    local lib_tree="$install_tree/${kernelver_array[0]}"
    local count=0
    while [ "$count" -lt ${#built_module_name[@]} ]; do
        echo $""
        echo $"${dest_module_name[$count]}$module_suffix:"
        # Check this version against what is already in the kernel
        if ! check_version_sanity "${kernelver_array[0]}" "${arch_array[0]}" "$obsolete_by" "${dest_module_name[$count]}"; then
            count=$(($count + 1))
            continue
        fi

        if [ "$count" -eq 0 ]; then
            # Run the pre_install script
            if [ -n "$pre_install" ] && [ -x `echo "$dkms_tree/$module/$module_version/source/$pre_install" | sed 's/ .*//'` ]; then
                echo $""
                echo $"Running the pre_install script:"
                $dkms_tree/$module/$module_version/source/$pre_install
                if [ "$?" -ne 0 -a -z "$force" ]; then
                    echo $"pre_install failed, aborting install." >&2
                    echo $"You may override by specifying --force." >&2
                    exit 101
                fi
            fi
        fi
        local module_count=`find $lib_tree -name ${dest_module_name[$count]}$module_suffix -type f | wc -l | awk {'print $1'}`
        echo $" - Original module"
        if ! [ -L "$dkms_tree/$module/kernel-${kernelver_array[0]}-${arch_array[0]}" ]; then
            local archive_pref1="$lib_tree/extra/${dest_module_name[$count]}$module_suffix"
            local archive_pref2="$lib_tree/updates/${dest_module_name[$count]}$module_suffix"
            local archive_pref3="$lib_tree${dest_module_location[$count]}/${dest_module_name[$count]}$module_suffix"
            local archive_pref4=""
            [ "$module_count" -eq 1 ] && archive_pref4="`find $lib_tree -name ${dest_module_name[$count]}$module_suffix -type f`"
            local original_module=""
            local found_orginal=""
            for original_module in $archive_pref1 $archive_pref2 $archive_pref3 $archive_pref4; do
                if [ -f "$original_module" ]; then
                    case "$running_distribution" in
                        Debian* | Ubuntu* ) ;;
                        *)
                            echo $"   - Found $original_module"
                            echo $"   - Storing in $dkms_tree/$module/original_module/${kernelver_array[0]}/${arch_array[0]}/"
                            echo $"   - Archiving for uninstallation purposes"
                            mkdir -p "$dkms_tree/$module/original_module/${kernelver_array[0]}/${arch_array[0]}"
                            mv -f "$original_module" "$dkms_tree/$module/original_module/${kernelver_array[0]}/${arch_array[0]}/"
                            ;;
                    esac
                    found_original="yes"
                    break
                fi
            done
            if [ -z "$found_original" ] && [ "$module_count" -gt 1 ]; then
                echo $"   - Multiple original modules exist but DKMS does not know which to pick"
                echo $"   - Due to the confusion, none will be considered during a later uninstall"
            elif [ -z "$found_original" ]; then
                echo $"   - No original module exists within this kernel"
            fi
        elif [ -L "$dkms_tree/$module/kernel-${kernelver_array[0]}-${arch_array[0]}" ] && [ -e "$dkms_tree/$module/original_module/${kernelver_array[0]}/${arch_array[0]}/${dest_module_name[$count]}$module_suffix" ]; then
            echo $"   - An original module was already stored during a previous install"
        else
            echo $"   - This kernel never originally had a module by this name"
        fi

        if [ "$module_count" -gt 1 ]; then
            echo $" - Multiple same named modules!"
            echo $"   - $module_count named ${dest_module_name[$count]}$module_suffix in $lib_tree/"
            case "$running_distribution" in
            Debian* | Ubuntu* ) ;;
            *)
                echo $"   - All instances of this module will now be stored for reference purposes ONLY"
                echo $"   - Storing in $dkms_tree/$module/original_module/${kernelver_array[0]}/${arch_array[0]}/collisions/"
                ;;
            esac
            for module_dup in `find $lib_tree -name ${dest_module_name[$count]}$module_suffix -type f`; do
                dup_tree=`echo $module_dup | sed "s#^$lib_tree##" | sed "s#${dest_module_name[$count]}$module_suffix##"`
                case "$running_distribution" in
                Debian* | Ubuntu* ) ;;
                *)
                   echo $"     - Stored $module_dup"
                   mkdir -p "$dkms_tree/$module/original_module/${kernelver_array[0]}/${arch_array[0]}/collisions/$dup_tree"
                   mv -f $module_dup "$dkms_tree/$module/original_module/${kernelver_array[0]}/${arch_array[0]}/collisions/$dup_tree"
                   ;;
                esac
            done
        fi

        # Copy module to its location
        echo $" - Installation"
        echo $"   - Installing to $install_tree/${kernelver_array[0]}${dest_module_location[$count]}/"
        mkdir -p $install_tree/${kernelver_array[0]}${dest_module_location[$count]}
        cp -f "$base_dir/module/${dest_module_name[$count]}$module_suffix" "$install_tree/${kernelver_array[0]}${dest_module_location[$count]}/${dest_module_name[$count]}$module_suffix"

        count=$(($count + 1))
    done

    # Create the kernel-<kernelver> symlink to designate this version as active
    rm -f "$dkms_tree/$module/kernel-${kernelver_array[0]}-${arch_array[0]}" 2>/dev/null
    ln -s "$module_version/${kernelver_array[0]}/${arch_array[0]}" "$dkms_tree/$module/kernel-${kernelver_array[0]}-${arch_array[0]}" 2>/dev/null

    # add to kabi-tracking
    set_weak_modules
    if [ -n "${weak_modules}" ]; then
        echo $"Adding any weak-modules"
        list_each_installed_module "$module" "${kernelver_array[0]}" "${arch_array[0]}" | ${weak_modules} --add-modules
    fi

    # Run the post_install script
    if [ -n "$post_install" ] && [ -x `echo "$dkms_tree/$module/$module_version/source/$post_install" | sed 's/ .*//'` ]; then
        echo $""
        echo $"Running post_install:"
        $dkms_tree/$module/$module_version/source/$post_install
    fi

    # Make modules.conf changes as necessary
    echo $""
    moduleconfig_add "${kernelver_array[0]}"
    etc_sysconfig_kernel_modify "add"

    invoke_command "do_depmod ${kernelver_array[0]}" "depmod" background
    if [ "$?" -ne 0 ]; then
        local unresolved_symbols="$(do_depmod ${kernelver_array[0]} 2>&1)"
        local count=0
        while [ "$count" -lt "${#built_module_name[@]}" ]; do
            if echo "$unresolved_symbols" | grep -q "${dest_module_name[$count]}$module_suffix$"; then
                echo $""
                echo $"Problems with depmod detected.  Automatically uninstalling this module."
                sleep 2
                do_uninstall "${kernelver_array[0]}" "${arch_array[0]}"
                echo $""
                echo $"DKMS: Install Failed (depmod problems).  Module rolled back to built state."
                exit 6
            fi
            count=$(($count + 1))
        done
    fi

    # Do remake_initrd things (save old initrd)
    if [ -n "$remake_initrd" ]; then
        remake_initrd "${kernelver_array[0]}" "${arch_array[0]}"
        if [ "$?" -ne 0 ]; then
            echo $"Problems with mkinitrd detected.  Automatically uninstalling this module."
            sleep 2
            do_uninstall "${kernelver_array[0]}" "${arch_array[0]}"
            echo $""
            echo $"DKMS: Install Failed (mkinitrd problems).  Module rolled back to built state."
            exit 7
        fi
    fi

    echo $""
    echo $"DKMS: install Completed."
}


function prepare_build()
{
    setup_kernels_arches "build"
    set_kernel_source_dir "${kernelver_array[0]}"
    local base_dir="$dkms_tree/$module/$module_version/${kernelver_array[0]}/${arch_array[0]}"

    # Check that the right arguments were passed
    if [ -z "$module" ] || [ -z "$module_version" ]; then
        echo $"" >&2
        echo $"Error! Invalid number of parameters passed." >&2
        echo $"Usage: build -m <module> -v <module-version>" >&2
        exit 1
    fi

    # Check that source symlink works
    if ! [ -d "$dkms_tree/$module/$module_version/source" ]; then
        echo $"" >&2
        echo $"Error! DKMS tree does not contain: $module-$module_version" >&2
        echo $"Build cannot continue without the proper tree." >&2
        exit 2
    fi

    # Check that the module has not already been built for this kernel
    if [ -d "$base_dir" ]; then
        echo $"" >&2
        echo $"Error! This module/version has already been built on: ${kernelver_array[0]}" >&2
        echo $"Directory: $base_dir" >&2
        echo $"already exists.  Use the dkms remove function before trying to build again." >&2
        exit 3
    fi

    # Read the conf file
    set_module_suffix "${kernelver_array[0]}"
    read_conf "${kernelver_array[0]}" "${arch_array[0]}"
    if [ "$?" -ne 0 ]; then
        echo $"" >&2
        echo $"Error! Bad conf file." >&2
        echo $"Your dkms.conf is not valid." >&2
        exit 4
    fi

    # Error out if build_exclude is set
    if [ -n "$build_exclude" ]; then
        echo "" >&2
        echo "Error!  The dkms.conf for this module includes a BUILD_EXCLUSIVE directive which" >&2
        echo "does not match this kernel/arch.  This indicates that it should not be built." >&2
        exit 9
    fi

    # Error out if source_tree is basically empty (binary-only dkms tarball w/ --force check)
    if [ `ls $dkms_tree/$module/$module_version/source | wc -l | awk {'print $1'}` -lt 2 ]; then
        echo "" >&2
        echo $"Error! The directory $dkms_tree/$module/$module_version/source/" >&2
        echo $"does not appear to have module source located within it.  Build halted." >&2
        exit 8
    fi

    prepare_kernel "${kernelver_array[0]}" "${arch_array[0]}"

    # Set up temporary build directory for build
    rm -rf "$dkms_tree/$module/$module_version/build"
    cp -rf "$dkms_tree/$module/$module_version/source/" "$dkms_tree/$module/$module_version/build"

    # Run the pre_build script
    if [ -n "$pre_build" ] && [ -x `echo "$dkms_tree/$module/$module_version/source/$pre_build" | sed 's/ .*//'` ]; then
        echo $""
        echo $"Running the pre_build script:"
        $dkms_tree/$module/$module_version/source/$pre_build
    fi

    cd "$dkms_tree/$module/$module_version/build"

    # Apply any patches
    local index=0
    while [ $index -lt ${#patch_array[@]} ]; do
        if ! [ -e "$dkms_tree/$module/$module_version/build/patches/${patch_array[$index]}" ]; then
            echo $"" >&2
            echo $"Error!  Patch ${patch_array[$index]} as specified in dkms.conf cannot be" >&2
            echo $"found in $dkms_tree/$module/$module_version/build/patches/." >&2
            exit 5
        fi
        invoke_command "patch -p1 < ./patches/${patch_array[$index]}" "applying patch ${patch_array[$index]}"
        if [ "$?" -ne 0 ]; then
            echo $"" >&2
            echo $"Error! Application of patch ${patch_array[$index]} failed." >&2
            echo $"Check $dkms_tree/$module/$module_version/build/ for more information." >&2
                report_build_problem
            exit 6
        fi
        index=$(($index+1))
    done
}

function do_build()
{
    local base_dir="$dkms_tree/$module/$module_version/${kernelver_array[0]}/${arch_array[0]}"
    echo $""
    echo $"Building module:"

    invoke_command "$clean" "cleaning build area" background
    echo $"DKMS make.log for $module-$module_version for kernel ${kernelver_array[0]} (${arch_array[0]})" >> "$dkms_tree/$module/$module_version/build/make.log"
    echo $"`date`" >> "$dkms_tree/$module/$module_version/build/make.log"
    local the_make_command=`echo $make_command | sed "s/^make/make KERNELRELEASE=${kernelver_array[0]}/"`

    invoke_command "$the_make_command >> $dkms_tree/$module/$module_version/build/make.log 2>&1" "$the_make_command" background

    # Make sure good return status
    if [ "$?" -ne 0 ]; then
        echo $"" >&2
        echo $"Error! Bad return status for module build on kernel: ${kernelver_array[0]} (${arch_array[0]})" >&2
        echo $"Consult the make.log in the build directory" >&2
        echo $"$dkms_tree/$module/$module_version/build/ for more information." >&2
        if grep -ic "gcc: Command not found" "$dkms_tree/$module/$module_version/build/make.log"; then
            echo $"" >&2
            echo $"DO YOU HAVE gcc INSTALLED???" >&2
        fi
        if grep -ic "make: command not found" "$dkms_tree/$module/$module_version/build/make.log"; then
            echo $"" >&2
            echo $"DO YOU HAVE make INSTALLED???" >&2
        fi
        report_build_problem
        exit 10
    fi

    # Make sure all the modules built successfully
    local count=0
    while [ "$count" -lt "${#built_module_name[@]}" ]; do
        if ! [ -e "${built_module_location[$count]}${built_module_name[$count]}$module_suffix" ]; then
            echo $"" >&2
            echo $"Error!  Build of ${built_module_name[$count]}$module_suffix failed for: ${kernelver_array[0]} (${arch_array[0]})" >&2
            echo $"Consult the make.log in the build directory" >&2
            echo $"$dkms_tree/$module/$module_version/build/ for more information." >&2
            report_build_problem
            exit 7
        fi
        count=$(($count+1))
    done
    cd - >/dev/null

    # Build success, so create DKMS structure for a built module
    mkdir -p "$base_dir/log"
    [ -n "$kernel_config" ] && cp -f "$kernel_config" "$base_dir/log/"
    mv -f "$dkms_tree/$module/$module_version/build/make.log" "$base_dir/log/make.log" 2>/dev/null

    # Save a copy of the new module
    mkdir "$base_dir/module" >/dev/null
    local count=0
    while [ "$count" -lt "${#built_module_name[@]}" ]; do
        [ "${strip[$count]}" != "no" ] && strip -g "$dkms_tree/$module/$module_version/build/${built_module_location[$count]}${built_module_name[$count]}$module_suffix"
        cp -f "$dkms_tree/$module/$module_version/build/${built_module_location[$count]}${built_module_name[$count]}$module_suffix" "$base_dir/module/${dest_module_name[$count]}$module_suffix" >/dev/null
        count=$(($count+1))
    done

    # Run the post_build script
    if [ -n "$post_build" ] && [ -x `echo "$dkms_tree/$module/$module_version/source/$post_build" | sed 's/ .*//'` ]; then
        echo $""
        echo $"Running the post_build script:"
        $dkms_tree/$module/$module_version/source/$post_build
    fi
}

function clean_build()
{
    # Run the clean commands
    cd "$dkms_tree/$module/$module_version/build"
    invoke_command "$clean" "cleaning build area" background
    cd - >/dev/null

    if [[ ! ( $(VER ${kernelver_array[0]}) < $(VER 2.6.6) ) && \
       -d "$kernel_source_dir" && \
       ! -h "$kernel_source_dir" && \
       -z "$ksourcedir_fromcli" ]]; then
        echo $"Kernel cleanup unnecessary for this kernel.  Skipping..."
    elif [ -z "$no_clean_kernel" ]; then
        cd "$kernel_source_dir"
        [ -z "$kerneldoth_contents" ] && invoke_command "make mrproper" "cleaning kernel tree (make mrproper)" background
        [ -n "$config_contents" ] && echo "$config_contents" > .config
        [ -n "$kerneldoth_contents" ] && echo "$kerneldoth_contents" > /boot/kernel.h
        cd - >/dev/null
    fi

    # Clean the build directory
    rm -rf "$dkms_tree/$module/$module_version/build/*"
}

function build_module()
{
    prepare_build
    do_build
    clean_build
    echo $""
    echo $"DKMS: build Completed."
}

function possible_dest_module_locations()
{
    # $1 = count
    # There are two places an installed module may really be:
    # 1) "$install_tree/$kernelver/${dest_module_location[$count]}/${dest_module_name[$count]}$module_suffix"
    # 2) "$install_tree/$kernelver/${DEST_MODULE_LOCATION[$count]}/${dest_module_name[$count]}$module_suffix"
    # override_dest_module_location() is what controls whether or not they're the same.

    local location
    location[0]="${dest_module_location[$count]}"
    [ "${DEST_MODULE_LOCATION[$count]}" != "${dest_module_location[$count]}" ] && \
    location[1]="${DEST_MODULE_LOCATION[$count]}"

    echo "${location[0]} ${location[1]}"
}

function find_actual_dest_module_location()
{
    local module="$1"
    local count="$2"
    local kernelver="$3"
    local arch="$4"
    local locations="$(possible_dest_module_locations $count)"
    local l
    local dkms_owned
    local installed
    dkms_owned="${dkms_tree}/${module}/kernel-${kernelver}-${arch}/module/${dest_module_name[$count]}${module_suffix}"

    for l in $locations; do
        installed="${install_tree}/${kernelver}${l}/${dest_module_name[${count}]}${module_suffix}"
        if [ -f "${installed}" ] && diff "${dkms_owned}" "${installed}" > /dev/null 2>&1; then
            echo "${l}"
            return 0
        fi
    done

}

function do_uninstall()
{
    # $1 = kernel version
    # $2 = arch

    echo $""
    echo $"-------- Uninstall Beginning --------"
    echo $"Module:  $module"
    echo $"Version: $module_version"
    echo $"Kernel:  $1 ($2)"
    echo $"-------------------------------------"

    set_module_suffix "$1"

    # If kernel-<kernelver> symlink points to this module, check for original_module and put it back
    local was_active=""
    readlink "$dkms_tree/$module/kernel-$1-$2"
    local kernel_symlink="$read_link"
    local real_dest_module_location
    if [ "$kernel_symlink" == "$module_version/$1/$2" ]; then
        was_active="true"
        echo $""
        echo $"Status: Before uninstall, this module version was ACTIVE on this kernel."
        # remove kabi-tracking if last instance removed
        set_weak_modules
        if [ -n "${weak_modules}" ] &&
            [ `$0 status -m $module -v $module_version | grep -v "installed-weak" | grep -c "installed"` -eq 1 ]; then
            echo $"Removing any linked weak-modules"
            list_each_installed_module "$module" "$1" "$2" | ${weak_modules} --remove-modules
        fi

        count=0
        while [ "$count" -lt "${#built_module_name[@]}" ]; do
            real_dest_module_location="$(find_actual_dest_module_location $module $count $1 $2)"
            echo $""
            echo $"${dest_module_name[$count]}$module_suffix:"
            echo $" - Uninstallation"
            echo $"   - Deleting from: $install_tree/$1${real_dest_module_location}/"
            rm -f "$install_tree/$1${real_dest_module_location}/${dest_module_name[$count]}$module_suffix"
            echo $" - Original module"
            if [ -e "$dkms_tree/$module/original_module/$1/$2/${dest_module_name[$count]}$module_suffix" ]; then
                case "$running_distribution" in
                Debian* | Ubuntu* ) ;;
                *)
                    echo $"   - Archived original module found in the DKMS tree"
                    echo $"   - Moving it to: $install_tree/$1${DEST_MODULE_LOCATION[$count]}/"
                    mkdir -p "$install_tree/$1${DEST_MODULE_LOCATION[$count]}/"
                    mv -f "$dkms_tree/$module/original_module/$1/$2/${dest_module_name[$count]}$module_suffix" \
                        "$install_tree/$1${DEST_MODULE_LOCATION[$count]}/" 2>/dev/null
                    ;;
                esac
            else
                echo $"   - No original module was found for this module on this kernel."
                echo $"   - Use the dkms install command to reinstall any previous module version."

                # Remove modules_conf entries from /etc/modules.conf if remake_initrd is set or if this is last instance removed
                if [ -n "$remake_initrd" ] || \
                    [ `$0 status -m $module -v $module_version | \
                    grep -c "installed"` -eq 1 ]; then
                    echo $""
                    moduleconfig_remove "$1"
                fi
            fi
            count=$(($count+1))
        done
        rm -f "$dkms_tree/$module/kernel-$1-$2"
    else
        echo $""
        echo $"Status: This module version was INACTIVE for this kernel."
    fi

    # Run the post_remove script
    if [ -n "$post_remove" ] && [ -x `echo "$dkms_tree/$module/$module_version/source/$post_remove" | sed 's/ .*//'` ]; then
        echo $""
        echo $"Running the post_remove script:"
        $dkms_tree/$module/$module_version/source/$post_remove
    fi

    # Run depmod because we changed /lib/modules
    invoke_command "do_depmod $1" "depmod" background

    # Do remake_initrd things (remake initrd)
    if [ -n "$remake_initrd" ] && [ -n "$was_active" ]; then
        remake_initrd "$1" "$2"
        if [ "$?" -ne 0 ]; then
            echo $""
            echo $"WARNING! WARNING! WARNING!"
            echo $"There was a problem remaking your initrd.  You must manually remake it"
            echo $"before booting into this kernel."
            echo $""
        fi
    fi

    # Delete the original_module if nothing for this kernel is installed anymore
    if [ -n "$was_active" ] && [ -d "$dkms_tree/$module/original_module/$1/$2" ] && ! [ -d "$dkms_tree/$module/original_module/$1/$2/collisions" ]; then
        echo $""
        echo $"Removing original_module from DKMS tree for kernel $1 ($2)"
        rm -rf "$dkms_tree/$module/original_module/$1/$2" 2>/dev/null
        [ -z "`find $dkms_tree/$module/original_module/$1/* -maxdepth 0 -type d 2>/dev/null`" ] && rm -rf "$dkms_tree/$module/original_module/$1"
    elif [ -n "$was_active" ] && [ -d "$dkms_tree/$module/original_module/$1/$2/collisions" ]; then
        echo $""
        echo $"Keeping directory $dkms_tree/$module/original_module/$1/$2/collisions/"
        echo $"for your reference purposes.  Your kernel originally contained multiple"
        echo $"same-named modules and this directory is now where these are located."
    fi
    [ -z "`find $dkms_tree/$module/original_module/* -maxdepth 0 -type d 2>/dev/null`" ] && rm -rf "$dkms_tree/$module/original_module"

    # Re-add entries to modules.conf if this module/version is still installed on another kernel
    # But only do this if it was just ACTIVE on the kernel we just uninstalled from
    [ -n "$was_active" ] && [ -n "$remake_initrd" ] && $0 status -m $module -v $module_version | grep -q "installed" && moduleconfig_add "$1"

    echo $""
    echo $"DKMS: uninstall Completed."
}

function uninstall_module ()
{
    setup_kernels_arches "uninstall"

    # Check that the right arguments were passed
    if [ -z "$module" ] || [ -z "$module_version" ]; then
        echo $"" >&2
        echo $"Error! Invalid number of parameters passed." >&2
        echo $"Usage: uninstall -m <module> -v <module-version>" >&2
        echo $"   or: uninstall -m <module> -v <module-version> -k <kernel-version>" >&2
        exit 1
    fi

    # Check that $module is in the dkms tree
    if ! [ -d "$dkms_tree/$module" ]; then
        echo $"" >&2
        echo $"Error! There are no instances of module: $module" >&2
        echo $"located in the DKMS tree." >&2
        exit 2
    fi

    # Make sure that its installed in the first place
    if ! [ -d "$dkms_tree/$module/$module_version" ]; then
        echo $"" >&2
        echo $"Error! The module/version combo: $module-$module_version" >&2
        echo $"is not located in the DKMS tree." >&2
        exit 3
    fi

    # Read the conf file
    read_conf "${kernelver_array[0]}" "${arch_array[0]}"
    if [ "$?" -ne 0 ]; then
        echo $"" >&2
        echo $"Error! Bad conf file." >&2
        echo $"Your dkms.conf is not valid." >&2
        exit 4
    fi

    # Only do stuff if module/module version is currently installed
    readlink "$dkms_tree/$module/kernel-${kernelver_array[0]}-${arch_array[0]}"
    local kernel_symlink="$read_link"
    if [ "$kernel_symlink" == "$module_version/${kernelver_array[0]}/${arch_array[0]}" ]; then
        do_uninstall "${kernelver_array[0]}" "${arch_array[0]}"
    else
        echo $"" >&2
        echo $"Error! The module $module $module_version is not currently installed." >&2
        echo $"This module is not currently ACTIVE for kernel ${kernelver_array[0]} (${arch_array[0]})." >&2
        exit 5
    fi
}

function remove_module ()
{
    # Check that the right arguments were passed (must be done before setup_kernels_arches)
    if [ -z "$module" ] || [ -z "$module_version" ] || $([ -z "${kernelver_array[0]}" ] && [ -z "$all" ]); then
        echo $"" >&2
        echo $"Error! Invalid number of parameters passed." >&2
        echo $"Usage: remove -m <module> -v <module-version> --all" >&2
        echo $"   or: remove -m <module> -v <module-version> -k <kernel-version>" >&2
        exit 1
    fi

    setup_kernels_arches "remove"

    # Check that $module is in the dkms tree
    if ! [ -d "$dkms_tree/$module/$module_version" ]; then
        echo $"" >&2
        echo $"Error! There are no instances of module: $module" >&2
        echo $"$module_version located in the DKMS tree." >&2
        exit 3
    fi

    local i=0
    while [ $i -lt ${#kernelver_array[@]} ]; do

        # make sure its there first before removing
        if ! [ -d "$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}" ]; then
            echo $"" >&2
            echo $"Error! There is no instance of $module $module_version" >&2
            echo $"for kernel ${kernelver_array[$i]} (${arch_array[$i]}) located in the DKMS tree." >&2
            exit 4
        fi

        # Do --rpm_safe_upgrade check (exit out and don't do remove if inter-release RPM upgrade scenario occurs)
        if [ -n "$rpm_safe_upgrade" ]; then
            local pppid=`cat /proc/$PPID/status | grep PPid: | awk {'print $2'}`
            local time_stamp=`ps -o lstart --no-headers -p $pppid 2>/dev/null`
            for lock_file in `ls $tmp_location/dkms_rpm_safe_upgrade_lock.$pppid.* 2>/dev/null`; do
                lock_head=`head -n 1 $lock_file 2>/dev/null`
                lock_tail=`tail -n 1 $lock_file 2>/dev/null`
                if [ "$lock_head" == "$module-$module_version" ] && [ "$lock_tail" == "$time_stamp" ] && [ -n "$time_stamp" ]; then
                    echo $""
                    echo $"DKMS: Remove cancelled because --rpm_safe_upgrade scenario detected."
                    rm -f $lock_file
                    exit 0
                fi
            done
        fi

        # Read the conf file
        read_conf "${kernelver_array[$i]}" "${arch_array[$i]}"
        if [ "$?" -ne 0 ]; then
            echo $"" >&2
            echo $"Error! Bad conf file." >&2
            echo $"File: $dkms_tree/$module/$module_version/source/dkms.conf does not represent" >&2
            echo $"a valid dkms.conf file." >&2
            exit 5
        fi

        do_uninstall "${kernelver_array[$i]}" "${arch_array[$i]}"

        # Delete the $kernel_version/$arch_used part of the tree
        rm -rf "$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}"
        [ -z "`find $dkms_tree/$module/$module_version/${kernelver_array[$i]}/* -maxdepth 0 -type d 2>/dev/null`" ] && rm -rf "$dkms_tree/$module/$module_version/${kernelver_array[$i]}"

        i=$(($i + 1))
    done

    # Delete the $module_version part of the tree if no other $module_version/$kernel_version dirs exist
    if [ -z "$(find $dkms_tree/$module/$module_version/* -maxdepth 0 -type d 2>/dev/null | egrep -v "(build|tarball|driver_disk|rpm|deb|source)$")"  ]; then
        echo $""
        echo $"------------------------------"
        echo $"Deleting module version: $module_version"
        echo $"completely from the DKMS tree."
        echo $"------------------------------"
        rm -rf "$dkms_tree/$module/$module_version"
        echo $"Done."
    fi

    # Get rid of any remnant directories if necessary
    if [ `ls "$dkms_tree/$module" | wc -w | awk '{print $1}'` -eq 0 ]; then
        rm -rf "$dkms_tree/$module" 2>/dev/null

        # Its now safe to completely remove references in /etc/sysconfig/kernel for SuSE
        etc_sysconfig_kernel_modify "delete"
    fi
}

function find_module_from_ko()
{
    local depth="$1"
    local ko="$2"
    local basename_ko=$(basename "${ko}")
    local module
    local kernellink

    for kernellink in $(find $dkms_tree -maxdepth $depth -mindepth $depth -name kernel-\* -type l); do
        module=$(echo "$kernellink" | awk -F / '{print $(NF-1)}')
        diff "$kernellink/module/${basename_ko}" "${ko}" >/dev/null 2>&1 && echo "$module" && break
    done
    echo ""
}

# be careful.  string_array is global
declare -a string_array
function add_string_to_array_unique()
{
    # string="$1"
    local count=0
    local found=0
    while [ "$count" -lt "${#string_array[@]}" ]; do
        if [ "$1" == "${string_array[$count]}" ]; then
            found=1
            break
        fi
        count=$(($count + 1))
    done
    if [ "${found}" -eq 0 ]; then
        string_array[${#string_array[@]}]="$1"
    fi
}

function print_string_array()
{
    local count=0
    while [ "$count" -lt "${#string_array[@]}" ]; do
        echo "${string_array[$count]}"
        count=$(($count + 1))
    done
}

function do_status_weak ()
{
    # these are the requested mod/ver/kern/arch fields
    local r_mod="$1"; shift
    local r_ver="$1"; shift
    local r_kern="$1"; shift
    local r_arch="$1"; shift
    local installedkern
    local ko
    local basename_ko
    local installed_ko
    local tree_ver
    local tree_kern
    local tree_arch
    local f
    local depth=1
    [ -z "$r_mod" ] && depth=2
    # recognize weak modules.  These are in $kern/weak-updates but are symlinks to another $kern/extra file.

    for installedkern in $(find "$install_tree" -maxdepth 1 -mindepth 1 -type d 2>/dev/null); do
        for ko in $(find "$installedkern/weak-updates" -type l 2>/dev/null); do
            installedkernver=$(basename $installedkern)
            basename_ko=$(basename $ko)
            readlink $ko
            installed_ko="$read_link"
            if [ ! -e "$installed_ko" ]; then
                # dangling symlink, ouch, but is somebody else's problem so ignore it
                continue
            fi
            # remember, installed_ko is probably a relative path, so $kernelversion isn't present in its link
            # is $installed_ko in /var/lib/dkms as installed?  Find which module has it
            for f in $(find $dkms_tree/$r_mod -maxdepth $depth -mindepth $depth -name kernel-\* -type l 2>/dev/null); do
                if [ -z "$r_mod" ]; then
                    mod=$(find_module_from_ko "$depth" "$ko")
                else
                    mod="$r_mod"
                fi
                readlink "$f"
                tree_ver=$(echo "$read_link" | awk -F / '{print $1}')
                tree_kern=$(echo "$read_link" | awk -F / '{print $2}')
                tree_arch=$(echo "$read_link" | awk -F / '{print $3}')
                if diff $dkms_tree/$mod/$tree_ver/$tree_kern/$tree_arch/module/$basename_ko  \
                    $installed_ko >/dev/null 2>&1; then
                    if [ "$r_mod" == "$mod" -o -z "$r_mod" ] && \
                        [ "$r_ver" == "$tree_ver" -o -z "$r_ver" ] && \
                        [ "$r_kern" == "$installedkernver" -o -z "$r_kern" ] && \
                        [ "$r_arch" == "$tree_arch" -o -z "$r_arch" ]; then
                        add_string_to_array_unique "$mod, $tree_ver, $installedkernver, $tree_arch: installed-weak from $tree_kern"
                    fi
                fi
            done
        done
    done
    print_string_array
}

do_status ()
{
    local mod="$1"; shift
    local ver="$1"; shift
    local kern="$1"; shift
    local arch="$1"; shift
    local tree_depth="$1"; shift

    local next
    local working_dir
    [ $tree_depth -eq 0 ] && next="mod"  && working_dir="$dkms_tree"
    [ $tree_depth -eq 1 ] && next="ver"  && working_dir="$dkms_tree/$mod"
    [ $tree_depth -eq 2 ] && next="kern" && working_dir="$dkms_tree/$mod/$ver"
    [ $tree_depth -eq 3 ] && next="arch" && working_dir="$dkms_tree/$mod/$ver/$kern"
    [ $tree_depth -eq 4 ] && next="done" && working_dir="$dkms_tree/$mod/$ver/$kern/$arch"

    if [ -n "${!next}" ] && [ "$next" != "done" ]; then
        do_status "$mod" "$ver" "$kern" "$arch" "$(($tree_depth + 1))"
    elif [ "$next" != "done" ]; then
        local keep_traversing="no"
        for directory in `find "$working_dir" -type d -maxdepth 1 -mindepth 1 2>/dev/null`; do
            local next_value=`echo $directory | sed "s#$working_dir/##"`
            if ! echo "build original_module tarball driver_disk rpm" | grep -q "$next_value\b"; then
                keep_traversing="yes"
                [ "$next" == "mod" ]  && mod=$next_value
                [ "$next" == "ver" ]  && ver=$next_value
                [ "$next" == "kern" ] && kern=$next_value
                [ "$next" == "arch" ] && arch=$next_value
                do_status "$mod" "$ver" "$kern" "$arch" "$(($tree_depth + 1))"
            fi
        done
    fi

    if [ "$keep_traversing" == "no" ] && [ $tree_depth -eq 2 ] && [ -z "$arch" ] || [ "$next" == "done" ]; then
        local state="added" && stat_display="$mod, $ver:"
        [ -d "$working_dir/module" ] && state="built" && stat_display="$mod, $ver, $kern, $arch:"
        if [ -h "$dkms_tree/$mod/kernel-$kern-$arch" ]; then
            readlink "$dkms_tree/$mod/kernel-$kern-$arch"
            [ "$read_link" == "$ver/$kern/$arch" ] && state="installed"
        fi

        if [ "$state" == "built" ] || [ "$state" == "installed" ]; then
            set_module_suffix "$kern"
            local extra_status=""
            conf="$dkms_tree/$mod/$ver/source/dkms.conf"
            read_conf "$kern" "$arch" "$conf"
            [ -d "$dkms_tree/$mod/original_module/$kern/$arch" ] && extra_status="(original_module exists)"
            local count=0
            local real_dest_module_location
            while [ "$count" -lt "${#dest_module_name[@]}" ]; do
                tree_mod="$dkms_tree/$mod/$ver/$kern/$arch/module/${dest_module_name[$count]}$module_suffix"
                if ! [ -e "$tree_mod" ]; then
                    extra_status="$extra_status (WARNING! Missing some built modules!)"
                elif [ "$state" == "installed" ]; then
                    real_dest_module_location="$(find_actual_dest_module_location $mod $count $kern $arch)"
                    if ! diff -q "$tree_mod" "$install_tree/$kern${real_dest_module_location}/${dest_module_name[$count]}$module_suffix" >/dev/null 2>&1; then
                        extra_status="$extra_status (WARNING! Diff between built and installed module!)"
                    fi
                fi
                count=$(($count+1))
            done
        fi

        [ -d "$working_dir" ] && echo "$stat_display $state $extra_status"
    fi
}

show_status ()
{
    setup_kernels_arches "status"

    local j=0
    if [ ${#kernelver_array[@]} -eq 0 ]; then
        do_status "$module" "$module_version" "${kernelver_array[0]}" "${arch_array[0]}" 0
        do_status_weak "$module" "$module_version" "${kernelver_array[0]}" "${arch_array[0]}"
    else
        while [ $j -lt ${#kernelver_array[@]} ]; do
            do_status "$module" "$module_version" "${kernelver_array[$j]}" "${arch_array[$j]}" 0
            do_status_weak "$module" "$module_version" "${kernelver_array[$j]}" "${arch_array[$j]}"
            j=$(($j + 1))
        done
    fi
}

function create_temporary_trees ()
{
    if [ -n "$module" ] || [ -n "$module_version" ]; then
        return
    fi

    [ -r dkms.conf ] || return

    . dkms.conf
    module="$PACKAGE_NAME"
    module_version="$PACKAGE_VERSION"

    source_tree=`mktemp -d`
    dkms_tree=`mktemp -d`

    local source_tree_dir="$source_tree/$PACKAGE_NAME-$PACKAGE_VERSION"
    mkdir -p "$source_tree_dir"
    cp -a * "$source_tree_dir" # intentionally skip .git or .hg
    add_module
    temporary_trees_del_command="rm -rf $source_tree $dkms_tree"
}

function delete_temporary_trees ()
{
    $temporary_trees_del_command
    if [ -n "$temporary_trees_del_command" ]; then
        module=
        module_version=
        source_tree=
        dkms_tree=
        temporary_trees_del_command=
    fi
}

function in_temporary_trees ()
{
    [ -n "$temporary_trees_del_command" ]
    return $?
}

media_valid()
{
    if [ "$media" == "floppy" ] ||
        [ "$media" == "iso"   ] ||
        [ "$media" == "tar" ]; then
        return 0
    fi
    return 1
}

make_driver_disk ()
{
    setup_kernels_arches "mkdriverdisk"

    # Check that the right arguments were passed
    if [ -z "$module" ] || [ -z "$module_version" ] || [ -z "$distro" ] || [ -z "${kernelver_array[0]}" ]; then
        echo $"" >&2
        echo $"Error! Invalid number of parameters passed." >&2
        echo $"Usage: mkdriverdisk -d <distro> -m <module> -v <module-version> -k <kernelver> [--media floppy|iso|tar]" >&2
        exit 1
    fi

    # default to floppy media
    [ -z "$media" ] && media="floppy"
    media_valid
    if [ $? -eq 1 ]; then
        echo $"" >&2
        echo "$Error! Media $media is invalid." >&2
        echo $"Usage: mkdriverdisk -d <distro> -m <module> -v <module-version> -k <kernelver> [--media floppy|iso|tar]" >&2
        exit 1
    fi

    # Check that source symlink works
    if ! [ -d "$dkms_tree/$module/$module_version/source" ]; then
        echo $"" >&2
        echo $"Error! DKMS tree does not contain: $module-$module_version" >&2
        echo $"Build cannot continue without the proper tree." >&2
        exit 2
    fi

    # Confirm that distro is supported
    case "$distro" in
    redhat | redhat[12] | suse | UnitedLinux | ubuntu)
        ;;
    *)
        echo $"" >&2
        echo $"Error! Invalid distro argument. Currently, the distros" >&2
        echo $"supported are: redhat, redhat1, redhat2, suse, UnitedLinux" >&2
        echo $"               ubuntu" >&2
        exit 3
        ;;
    esac

    # Read the conf file
    read_conf "${kernelver_array[0]}" "${arch_array[0]}"
    if [ "$?" -ne 0 ]; then
        echo $"" >&2
        echo $"Error! Bad conf file." >&2
        echo $"Your dkms.conf is not valid." >&2
        exit 4
    fi

    case "$distro" in
    redhat*)
        make_redhat_driver_disk
        ;;
    ubuntu)
        make_ubuntu_driver_disk
        ;;
    *)
        make_suse_driver_disk
        ;;
    esac
}


make_driver_disk_floppy()
{
    local image_name="$1"
    local source_dir="$2"
    local file
    local fs='ext2'
    case "$distro" in
    redhat*)
        fs='vfat'
        ;;
    esac

    rm -f "$image_name"
    invoke_command "dd if=/dev/zero of=$image_name bs=$(($size/20))k count=20" "making a blank floppy image" background
    if [ "$fs" == 'vfat' ]; then
        invoke_command "mkdosfs $image_name" "mkdosfs" background
    elif [ "$fs" == 'ext2' ]; then
        invoke_command "mke2fs -F $image_name" "mke2fs" background
    fi

    local mntdir=`mktemp -d $tmp_location/dkms.XXXXXX`
    if [ -z "$mntdir" ]; then
        echo $""
        echo $"Error: Could not create a temporary directory, failing."
        return
    fi
    invoke_command "mount -o loop -t $fs $image_name $mntdir >/dev/null 2>&1" "loopback mounting disk image"
    [ -d "$mntdir/lost+found" ] && rmdir "$mntdir/lost+found"
    invoke_command "cp -r $source_dir/* $mntdir/" "  copying files to floppy disk image"
    invoke_command "umount $mntdir" "unmounting disk image"
    rm -rf $mntdir
}

make_driver_disk_isotar()
{
    local type="$1"
    local image_name="$2"
    local source_dir="$3"
    local file
    if [ "$type" == "iso" ]; then
        invoke_command "mkisofs -v -r -J -pad -V $module -o $image_name ." "mkisofs" background
    elif [ "$type" == "tar" ]; then
        invoke_command "tar cvf $image_name ." "tar" background
    fi
}

make_driver_disk_media()
{
    echo "Copying files $2"

    case "$media" in
    floppy*)
        make_driver_disk_floppy "$1" "$2"
        ;;
    iso*)
        make_driver_disk_isotar "iso" "$1" "$2"
        ;;
    tar*)
        make_driver_disk_isotar "tar" "$1" "$2"
        ;;
    esac
}

driver_disk_suffix()
{
    local suffix
    case "$media" in
    floppy*)
        suffix="img"
        ;;
    iso*)
        suffix="iso"
        ;;
    tar*)
        suffix="tar"
        ;;
    esac
    echo $suffix
}

make_redhat_driver_disk()
{
    # kludge to allow redhat1 driver disks with BOOT kernel modules (arch i386)
    if [ "$distro" == "redhat1" ] && [ "$multi_arch" == "true" ]; then
        local i=0
        local redhat1_okay="true"
        local other_arch=""
        while [ $i -lt ${#kernelver_array[@]} ]; do
            if [ "${arch_array[$i]}" != "i386" ] && [ "$other_arch" != "${arch_array[$i]}" ] && [ -n "$other_arch" ]; then
                redhat1_okay="false"
            elif [ "${arch_array[$i]}" != "i386" ] && [ "$other_arch" != "${arch_array[$i]}" ] && [ -z "$other_arch" ]; then
                other_arch="${arch_array[$i]}"
            fi
            i=$(($i+1))
        done
        if [ "$redhat1_okay" == "false" ]; then
            echo $"" >&2
            echo $"Error! You have specified a Red Hat version 1 driver disk, but have also"  >&2
            echo $"specified multiple architectures.  Version 1 does not support this." >&2
            echo $"Use 'redhat2' instead (only OSes >= RHEL3, FC1 support version 2)." >&2
            exit 3
        fi
    fi

    if [ "$distro" == "redhat2" ] || [ "$multi_arch" == "true" ] && [ -z "$redhat1_okay" ]; then
        echo $"Creating Red Hat v2 driver disk (arch support)."
        echo $""
        local rhdd_filename="rhdd"
    else
        echo $"Creating Red Hat v1 driver disk."
        echo $""
        local rhdd_filename="rhdd-6.1"
    fi

    cpioarchive_dir_name=`mktemp -d $tmp_location/dkms.XXXXXX`
    if [ -z "$cpioarchive_dir_name" ]; then
        echo $""
        echo $"Error: Could not create a temporary directory, failing."
        return
    fi

    local i=0
    while [ $i -lt ${#kernelver_array[@]} ]; do
        set_module_suffix "${kernelver_array[$i]}"
        local count=0

        local dd_prefix="${kernelver_array[$i]}"
        [ "$distro" == "redhat2" ] && dd_prefix="${kernelver_array[$i]}/${arch_array[$i]}"
        [ "$multi_arch" == "true" ] && [ -z "$redhat1_okay" ] && dd_prefix="${kernelver_array[$i]}/${arch_array[$i]}"

        while [ "$count" -lt "${#dest_module_name[@]}" ]; do
            if ! [ -e "$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}/module/${dest_module_name[$count]}$module_suffix" ]; then
                echo $"" >&2
                echo $"Error! Cannot find module ${dest_module_name[$count]}$module_suffix for kernel ${kernelver_array[$i]} (${arch_array[$i]})." >&2
                echo $"Module/version must be in built state before making a driver disk." >&2
                rm -rf $cpioarchive_dir_name
                exit 5
            fi
            # FIXME: add check for KMP binary RPMs to include in the driver disk
            if [ -z "$kernel_version_list" ]; then
                kernel_version_list="kernel${kernelver_array[$i]}-${arch_array[$i]}"
            else
                kernel_version_list="$kernel_version_list-kernel${kernelver_array[$i]}-${arch_array[$i]}"
            fi
            mkdir -p $cpioarchive_dir_name/$dd_prefix
            echo "Marking ${kernelver_array[$i]}/${arch_array[$i]}/module/${dest_module_name[$count]}$module_suffix..."
            cp "$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}/module/${dest_module_name[$count]}$module_suffix" "$cpioarchive_dir_name/$dd_prefix/"

            modules_cgz_list="$dd_prefix/${dest_module_name[$count]}$module_suffix\n${modules_cgz_list}"
            count=$(($count+1))
        done

        i=$(($i + 1))
    done

    # Create directory and necessary files
    driver_disk_dir=`mktemp -d $tmp_location/dkms.XXXXXX`
    if [ -z "$driver_disk_dir" ]; then
        echo $""
        echo $"Error: Could not create a temporary directory, failing."
        return
    fi

    # Copy files for the driver disk (or warn if not present)
    local files_for_driverdisk="modinfo disk-info modules.dep pcitable modules.pcimap pci.ids"
    # Fedora Core 5 and higher, RHEL5 and higher, strictly require: rhdd, modules.cgz, modinfo, modules.alias, modules.dep
    # which is in effect ignoring disk-info, pcitable, modules.pcimap and pci.ids
    # and adding modules.alias, which will be generated.

    local files_into_driverdisk="modules.cgz $rhdd_filename modules.alias"
    for file in $files_for_driverdisk; do
        if ! [ -e "$dkms_tree/$module/$module_version/source/redhat_driver_disk/$file" ]; then
            echo $"Warning! File: $file not found in $dkms_tree/$module/$module_version/source/redhat_driver_disk/" >&2
        else
            files_into_driverdisk="$file $files_into_driverdisk"
            cp -f "$dkms_tree/$module/$module_version/source/redhat_driver_disk/$file" "$driver_disk_dir/" 2>/dev/null
        fi
    done
    echo "$module-$module_version driver disk" > "$driver_disk_dir/$rhdd_filename"

    # Make sure the kernel_version_list is not too long
    if [ `echo $kernel_version_list | wc -m | awk {'print $1'}` -gt 200 ]; then
        kernel_version_list="manykernels"
    fi

    local suffix="$(driver_disk_suffix)"
    local image_dir="$dkms_tree/$module/$module_version/driver_disk"
    local image_name="$module-$module_version-$kernel_version_list-dd.$suffix"
    echo $""
    echo $"Creating driver disk on $media media:"
    cd "$cpioarchive_dir_name"
    invoke_command "echo -e '$modules_cgz_list' | cpio -oH crc 2>/dev/null | gzip -9 > ./modules.cgz" "compressing modules.cgz" background
    cp -f ./modules.cgz "$driver_disk_dir/"

    # generate modules.alias file
    # On 2.4 kernels and kernels with no aliases. this won't yield anything.
    touch ./modules.alias
    for f in $(echo -e ${modules_cgz_list}); do
        module_wo_suffix=$(basename ${f} ${module_suffix})
        tmp_alias="./modules.alias.${module_wo_suffix}"
        f="./${f}"
        depmod -n ${f} 2>/dev/null | grep ^alias > ${tmp_alias}
        if [ -s ${tmp_alias} ]; then
            cat ${tmp_alias} >> ./modules.alias
        fi
    done
    [ -e ./modules.alias ] && cp -f ./modules.alias "$driver_disk_dir/"

    # FIXME: add rpms/ directory, copy in KMP RPMs, run createrepo --pretty

    cd - >/dev/null
    rm -rf "$cpioarchive_dir_name"

    mkdir -p "$image_dir"
    rm -f "$image_dir/$image_name"

    cd "$driver_disk_dir"
    make_driver_disk_media "$image_dir/$image_name" "$driver_disk_dir"
    cd - >/dev/null
    rm -rf "$driver_disk_dir"

    echo $""
    echo $"Disk image location: $image_dir/$image_name"
    echo $""
    echo $"DKMS: mkdriverdisk Completed."
}

find_external_dependencies()
{
    local mod deps
    local count=0
    local i=0

    # find all module dependencies
    while [ "$count" -lt "${#dest_module_name[@]}" ]; do
        i=0
        while [ "$i" -lt "${#kernelver_array[@]}" ]; do
            set_module_suffix "${kernelver_array[$i]}"
            mod="$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}/module/${dest_module_name[$count]}$module_suffix"
            deps=(${deps[@]} $(modinfo "$mod" | sed -n 's/,/ /g; s/^depends: *//p'))
            i=$(($i+1))
        done
        count=$(($count+1))
    done

    # prune internally satisfied dependencies
    i=0
    while [ "$i" -lt "${#deps[@]}" ]; do
        for mod in ${dest_module_name[@]}; do
            [ "${deps[i]}" == "$mod" ] && deps[i]=
        done
        i=$(($i+1))
    done

    i=0
    while [ "$i" -lt "${#deps[@]}" ]; do
        echo "${deps[i]}"
        i=$(($i+1))
    done | sort -u
}

make_suse_driver_disk()
{
    if [ -z "$release" ]; then
        echo $"" >&2
        echo $"Error! Invalid number of parameters passed for suse/UnitedLinux driver disk." >&2
        echo $"Usage: mkdriverdisk -d <distro> -m <module> -v <module-version> -k <kernelver>" >&2
        echo $"                    -r <release-number>" >&2
        exit 3
    fi

    local driver_disk_dir=`mktemp -d $tmp_location/dkms.XXXXXX`
    if [ -z "$driver_disk_dir" ]; then
        echo $""
        echo $"Error: Could not create a temporary directory, failing."
        return
    fi
    local suffix="$(driver_disk_suffix)"
    local image_dir="$dkms_tree/$module/$module_version/driver_disk"
    local image_name="$module-$module_version-$distro-$release-dd.$suffix"

    echo $""
    echo $"Creating driver disk:"

    local deps="$(find_external_dependencies)"

    local offset=0
    if [ -n "${deps[*]}" ]; then
        # reserve a place for dependencies
        local offset=1
    fi

    local count=0
    while [ "$count" -lt "${#dest_module_name[@]}" ]; do

        local i=0
        local topdir=`printf "%02d" $(($count+1+offset))`
        while [ "$i" -lt "${#kernelver_array[@]}" ]; do
            set_module_suffix "${kernelver_array[$i]}"

            if ! [ -e "$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}/module/${dest_module_name[$count]}$module_suffix" ]; then
                echo $"" >&2
                echo $"Error! Cannot find module ${dest_module_name[$count]}$module_suffix for kernel ${kernelver_array[$i]} (${arch_array[$i]})." >&2
                echo $"Module/version must be in built state before making a driver disk." >&2
                rm -rf $temp_dir_name
                exit 5
            fi
                        # FIXME: add check for KMP binary RPMs to include in the driver disk
            suse_arch=${arch_array[$i]}
            case $suse_arch in
            i?86)
                    suse_arch=i386
                    ;;
            esac

            echo "Marking ${kernelver_array[$i]}/${arch_array[$i]}/modules/${dest_module_name[$count]}$module_suffix..."
            mkdir -p "$driver_disk_dir/$topdir/$suse_arch-$release/install/lib/modules/${kernelver_array[$i]}${dest_module_location[$count]}"
            cp "$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}/module/${dest_module_name[$count]}$module_suffix" "$driver_disk_dir/$topdir/$suse_arch-$release/install/lib/modules/${kernelver_array[$i]}${dest_module_location[$count]}/"

            case ${kernelver_array[$i]} in
                *-default)
                    mkdir -p "$driver_disk_dir/$topdir/$suse_arch-$release/modules/"
                    cp "$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}/module/${dest_module_name[$count]}$module_suffix" "$driver_disk_dir/$topdir/$suse_arch-$release/modules/"
                    ;;
            esac

            # create directory for dependency information
            [ -n "${deps[*]}" ] && mkdir -p "$driver_disk_dir/01/linux/$distro/$suse_arch-$release/modules"

            i=$(($i+1))
        done

        # ---
        for arch_release in `find $driver_disk_dir/$topdir -maxdepth 1 -mindepth 1 -type d | sed "s#$driver_disk_dir\/$topdir\/##"`; do
            cd "$driver_disk_dir/$topdir/$arch_release/install/"
            invoke_command "tar cvzf update.tar.gz lib/" "making update.tar.gz for $arch_release" background
            cd - >/dev/null

            mkdir -p "$driver_disk_dir/$topdir/linux/$distro/$arch_release/install"
            mkdir -p "$driver_disk_dir/$topdir/linux/$distro/$arch_release/modules"

            echo $"  copying update.tar.gz for $arch_release to disk image..."
            cp -f "$driver_disk_dir/$topdir/$arch_release/install/update.tar.gz" "$driver_disk_dir/$topdir/linux/$distro/$arch_release/install/"

            i=0
            postkernels=
            archtest=`echo ${arch_release} | sed 's/-.*//'`
            while [ "$i" -lt "${#kernelver_array[@]}" ]; do
                if [ "${arch_array[$i]}" = "${archtest}" ]; then
                    postkernels="${postkernels} ${kernelver_array[$i]}"
                fi
                i=$(($i+1))
            done

            if [ -n "${postkernels}" ]; then
                dstfile="$driver_disk_dir/$topdir/linux/$distro/$arch_release/install/update.post"
                echo $"  creating update.post for $arch_release..."
                (cat << EOF
#!/bin/sh

EOF
                 echo "kernlist=\"${postkernels}\""
                 echo
                 echo 'for kernel in ${kernlist}; do'
                 echo '	if [ -e /boot/System.map-${kernel} ]; then'
                 echo '		depmod -a -F /boot/System.map-${kernel} ${kernel}'
                 echo '	fi'
                 echo 'done'
                ) > ${dstfile}
                chmod a+x ${dstfile}
            fi

            if [ -d "$driver_disk_dir/$topdir/$arch_release/modules/" ]; then
                echo $"  copying kernel modules for installation kernel to disk image..."
                cp -f $driver_disk_dir/$topdir/$arch_release/modules/* $driver_disk_dir/$topdir/linux/$distro/$arch_release/modules/ 2>/dev/null
            else
                echo $"  Warning! No kernel modules found for -default kernel."
            fi

            rm -fr "$driver_disk_dir/$topdir/$arch_release"
        done

        # ---
        count=$(($count+1))
    done

    local dir
    if [ -n "${deps[*]}" ]; then
        for dir in "$driver_disk_dir/01/linux/$distro/"*"/modules"; do
            for dep in ${deps[@]}; do
                echo $dep >> "$dir/module.order"
            done
        done
    fi

    # FIXME: add suse-equivalent rpms/ directory, copy in KMP RPMs, run createrepo --pretty

    mkdir -p "$image_dir"
    rm -f "$image_dir/$image_name"
    cd "$driver_disk_dir"
    make_driver_disk_media "$image_dir/$image_name" "$driver_disk_dir"
    cd - >/dev/null
    rm -rf "$driver_disk_dir"

    echo $""
    echo $"Disk image location: $dkms_tree/$module/$module_version/driver_disk/$image_name"
    echo $""
    echo $"DKMS: mkdriverdisk Completed."
}

make_ubuntu_driver_disk()
{
    local suffix="$(driver_disk_suffix)"
    local image_dir="$dkms_tree/$module/$module_version/driver_disk"
    local image_name="$module-$module_version-$distro-dd.$suffix"

    local tempdir=`mktemp -d $tmp_location/dkms.XXXXXX`
    if [ -z "$tempdir" ]; then
        echo $""
        echo $"Error: Could not create a temporary directory, failing."
        return
    fi

   # Check that the dh_make command is present
   if ! which dpkg-deb >/dev/null 2>&1 ; then
        echo $"" >&2
        echo $"Error! dpkg-deb not present." >&2
        echo $"Install the dpkg-dev package." >&2
        exit 1
   fi

   local i=0
   while [ $i -lt ${#kernelver_array[@]} ]; do
      set_module_suffix "${kernelver_array[$i]}"
      # Driver disks only recognize i386 as package arch
      local arch=$(echo ${arch_array[$i]} | sed -e 's/i.86/i386/')
      local kvers=$(echo ${kernelver_array[$i]} | sed -e 's/[-_].*//')
       # ubuntu-drivers/<kver>/*_<debarch>.deb
      local dd_prefix="ubuntu-drivers/$kvers"
      local dd_suffix="_${arch}.deb"
      local count=0
      while [ "$count" -lt "${#dest_module_name[@]}" ]; do
        if ! [ -e "$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}/module/${dest_module_name[$count]}$module_suffix" ]; then
            echo $"" >&2
            echo $"Error! Cannot find module ${dest_module_name[$count]}$module_suffix for kernel ${kernelver_array[$i]} (${arch_array[$i]})." >&2
            echo $"Module/version must be in built state before making a driver disk." >&2
            rm -rf "$tempdir"
            exit 5
         fi

         mkdir -p "$tempdir/$dd_prefix"
         echo "Marking ${kernelver_array[$i]}/${arch_array[$i]}/module/${dest_module_name[$count]}$module_suffix..."

         local deb_dir="$tempdir/$dd_prefix/debian"
         local deb_lib_dir="$deb_dir/lib/modules/${kernelver_array[$i]}/updates/dkms"
         mkdir -p "$deb_lib_dir"
         cp "$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}/module/${dest_module_name[$count]}$module_suffix" "$deb_lib_dir"
         count=$(($count+1))
       done

       pushd "$deb_dir" > /dev/null 2>&1
       mkdir DEBIAN
       cat > DEBIAN/control <<EOF
Package: ${module}-modules-${kernelver_array[$i]}
Version: ${module_version}-1
Section: misc
Priority: optional
Architecture: $arch
Depends:
Maintainer: DKMS <dkms-devel@dell.com>
Description: DKMS packaged binary driver update
 DKMS automagically generated debian package for
 driver update disks, used with Ubuntu installation
 programs (such as Ubiquity).
EOF

       # Generate the DEBIAN/preinst file.
       # This is tricky as we need some parts evaluated now
       # and some parts evaluated at runtime
       echo '#!/bin/bash' > DEBIAN/preinst
       echo -n '[ "$(uname -r)" == ' >> DEBIAN/preinst
       echo -n "\"${kernelver_array[$i]}\"" >> DEBIAN/preinst
       echo  ' ] || exit 1' >> DEBIAN/preinst
       echo 'exit 0' >> DEBIAN/preinst

       chmod 0775 DEBIAN/preinst
       cd "$tempdir/$dd_prefix"
       dpkg-deb --build debian
       mv debian.deb "${module}_${module_version}-${kernelver_array[$i]}${dd_suffix}"
       rm -rf debian
       popd > /dev/null 2>&1
       i=$(($i+1))
   done

   echo "Copying source..."
   mkdir -p "$tempdir/ubuntu"
   cp -ar "$source_tree/$module-$module_version" "$tempdir/ubuntu/"

   mkdir -p "$image_dir"
   rm -f "$image_dir/$image_name"
   cd "$tempdir"
   make_driver_disk_media "$image_dir/$image_name" "$tempdir"
   cd - >/dev/null
   rm -rf "$tempdir"
   echo $""
   echo $"Disk image location: $dkms_tree/$module/$module_version/driver_disk/$image_name"
   echo $""
   echo $"DKMS: mkdriverdisk Completed."
}

make_tarball()
{
    setup_kernels_arches "mktarball"

    make_common_test "mktarball"

    # Check for dkms_dbversion
    if ! [ -e "$dkms_tree/dkms_dbversion" ]; then
        echo $"" >&2
        echo $"Could not find the file $dkms_tree/dkms_dbversion." >&2
        echo $"Creating w/ default contents." >&2
        echo "2.0.0" > $dkms_tree/dkms_dbversion
    fi

    # Error out if archive_location is set and contains a "/" in it
    case "$archive_location" in
        */*)
        echo $"" >&2
        echo $"Error!  The name you have specified for your tarball contains a '/'." >&2
        echo $"You may only specify a simple filename with no preceding path."
        exit 7
        ;;
    esac

    # Error out if binaries-only is set and source-only is set
    if [ -n "$binaries_only" ] && [ -n "$source_only" ]; then
        echo $"" >&2
        echo $"Error!  You have specified both --binaries-only and --source-only." >&2
        echo $"You cannot do this." >&2
        exit 8
    fi

    # Read the conf file
    read_conf "${kernelver_array[0]}" "${arch_array[0]}"
    if [ "$?" -ne 0 ]; then
        echo $"" >&2
        echo $"Error! Bad conf file." >&2
        echo $"Your dkms.conf is not valid." >&2
        exit 5
    fi

    temp_dir_name=`mktemp -d $tmp_location/dkms.XXXXXX`
    mkdir -p $temp_dir_name/dkms_main_tree

    if [ -n "$source_only" ]; then
    kernel_version_list="source-only"
    else
    local i=0
    while [ $i -lt ${#kernelver_array[@]} ]; do

        if ! [ -d "$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}" ]; then
            echo $"" >&2
            echo $"Error! No modules built for ${kernelver_array[$i]} (${arch_array[$i]})." >&2
            echo $"Modules must already be in the built state before using mktarball." >&2
            rm -rf "$temp_dir_name" 2>/dev/null
            exit 6
        fi

        set_module_suffix "${kernelver_array[$i]}"

        echo "Marking modules for ${kernelver_array[$i]} (${arch_array[$i]}) for archiving..."
        if [ -z "$kernel_version_list" ]; then
            kernel_version_list="kernel${kernelver_array[$i]}-${arch_array[$i]}"
        else
            kernel_version_list="${kernel_version_list}-kernel${kernelver_array[$i]}-${arch_array[$i]}"
        fi
        mkdir -p "$temp_dir_name/dkms_main_tree/${kernelver_array[$i]}/${arch_array[$i]}"
        cp -rf "$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}" "$temp_dir_name/dkms_main_tree/${kernelver_array[$i]}"

        i=$(($i + 1))
    done
    fi

    # Store the dkms_dbversion in the tarball
    cp -f "$dkms_tree/dkms_dbversion" "$temp_dir_name/dkms_main_tree/"

    # Copy the source_tree or make special binaries-only structure
    if [ -z "$binaries_only" ]; then
        echo $""
        echo $"Marking $dkms_tree/$module/$module_version/source for archiving..."
        mkdir -p $temp_dir_name/dkms_source_tree
        cp -rf $dkms_tree/$module/$module_version/source/* $temp_dir_name/dkms_source_tree
    else
        echo $""
        echo $"Creating special tarball structure to accomodate only binaries."
        mkdir $temp_dir_name/dkms_binaries_only
        echo "$module" > $temp_dir_name/dkms_binaries_only/PACKAGE_NAME
        echo "$module_version" > $temp_dir_name/dkms_binaries_only/PACKAGE_VERSION
        [ -z "$conf" ] && conf="$dkms_tree/$module/$module_version/source/dkms.conf"
        cp -f $conf $temp_dir_name/dkms_binaries_only/ 2>/dev/null
    fi

    # Make the tarball
    cd $temp_dir_name
    if [ `echo $kernel_version_list | wc -m | awk {'print $1'}` -gt 200 ]; then
        kernel_version_list="manykernels"
    fi
    local tarball_name="$module-$module_version-$kernel_version_list.dkms.tar.gz"
    [ -n "$archive_location" ] && tarball_name="$archive_location"
    tar -czf $temp_dir_name/$tarball_name ./* 2>/dev/null
    cd - >/dev/null
    if [ "$?" -eq 0 ]; then
        echo $""
        mkdir -p $dkms_tree/$module/$module_version/tarball 2>/dev/null
        mv -f $temp_dir_name/$tarball_name $dkms_tree/$module/$module_version/tarball/
        echo $""
        echo $"Tarball location: $dkms_tree/$module/$module_version/tarball/$tarball_name"
        echo $""
        echo $"DKMS: mktarball Completed."
        rm -rf $temp_dir_name
    else
        echo $"" >&2
        echo $"Error! Failed to make tarball." >&2
        rm -rf $temp_dir_name
        exit 6
    fi
}

load_tarball()
{
    setup_kernels_arches "mktarball"

    # Error out of --archive was not set with the tarball location
    if [ -z "$archive_location" ]; then
        echo $"" >&2
        echo $"Error! Invalid number of parameters passed." >&2
        echo $"Usage: ldtarball --archive=<tarball-location>" >&2
        exit 1
    fi

    # Error out if $archive_location does not exist
    if ! [ -e "$archive_location" ]; then
        echo $"" >&2
        echo $"Error! Cannot locate $archive_location." >&2
        echo $"File does not exist." >&2
        exit 2
    fi

    # Figure out what kind of archive it is (tar.gz, tar, tar.bz, etc)
    local tar_options=""
    if `gzip -t $archive_location 2>/dev/null`; then
        tar_options="${tar_options}z"
    fi
    if `bzip2 -t $archive_location 2>/dev/null`; then
        tar_options="${tar_options}j"
    fi

    # Untar it into $tmp_location
    local temp_dir_name=`mktemp -d $tmp_location/dkms.XXXXXX`
    tar -${tar_options}xf $archive_location -C $temp_dir_name

    # Check that dkms_dbversion is not a future version
    db_from_tarball="`cat $temp_dir_name/dkms_main_tree/dkms_dbversion 2>/dev/null`"
    db_from_dkms="`cat $dkms_tree/dkms_dbversion 2>/dev/null`"
    if [ -n "$db_from_tarball" ] && [ -n "$db_from_dkms" ]; then
        if [[ $(VER "$db_from_tarball") > $(VER "$db_from_dkms") ]]; then
            echo $"" >&2
            echo $"Error! The tarball you are trying to load indicates it is database version" >&2
            echo $"$db_from_tarball.  This version of DKMS only supports $db_from_dkms or lower.">&2
            rm -rf $temp_dir_name
            exit 9
        fi
    fi

    # Make sure its a sane tarball
    PACKAGE_NAME=""
    PACKAGE_VERSION=""
    local is_from_mktarball=""
    local is_binaries_only=""
    local is_not_arch_aware=""
    if ! [ -d "$temp_dir_name/dkms_main_tree" ]; then
        conf=`find $temp_dir_name/ -name dkms.conf 2>/dev/null | head -n 1`
        if [ -z "$conf" ]; then
            echo $"" >&2
            echo $"Error! Tarball does not appear to be a correctly formed" >&2
            echo $"DKMS archive. No dkms.conf found within it." >&2
            rm -rf $temp_dir_name
            exit 3
        fi
        read_conf "${kernelver_array[0]}" "${arch_array[0]}" "$conf"
        if [ "$?" -ne 0 ]; then
            echo $"" >&2
            echo $"Error! Bad conf file." >&2
            echo $"File: $conf does not represent a valid dkms.conf file" >&2
            rm -rf $temp_dir_name
            exit 4
        fi
        tarball_source_tree_name=`echo $conf | sed "s#$temp_dir_name\/##" | sed 's/dkms.conf//' | sed 's/\/$//'`
    elif ! [ -d "$temp_dir_name/dkms_source_tree" ] && [ -d "$temp_dir_name/dkms_binaries_only" ]; then
        PACKAGE_NAME=`cat $temp_dir_name/dkms_binaries_only/PACKAGE_NAME 2>/dev/null`
        PACKAGE_VERSION=`cat $temp_dir_name/dkms_binaries_only/PACKAGE_VERSION 2>/dev/null`
        if [ -z "$PACKAGE_NAME" ] || [ -z "$PACKAGE_VERSION" ]; then
            echo $"" >&2
            echo $"Error! Tarball does not appear to be a correctly formed" >&2
            echo $"DKMS archive." >&2
            rm -rf $temp_dir_name
            exit 5
        fi
        if [ "`$0 status -m $PACKAGE_NAME -v $PACKAGE_VERSION 2>/dev/null`" == "" ]; then
            if [ -e "$temp_dir_name/dkms_binaries_only/dkms.conf" ]; then
            echo $""
            echo $"Binaries-only DKMS tarball to be loaded for $PACKAGE_NAME-$PACKAGE_VERSION"
            echo $"even though source for this module is not added to the DKMS tree.  "
                    echo $"<<<<WARNING>>>>"
            echo $"This will allow you to install the pre-built binaries contained within this"
            echo $"tarball, but will prevent you from building new modules for other kernels."
            echo $""
            . $temp_dir_name/dkms_binaries_only/dkms.conf 2>/dev/null
            else
            echo $"" >&2
            echo $"Binaries-only DKMS tarball does not seem to contain a dkms.conf file for" >&2
            echo $"this module.  Unable to load this tarball into the DKMS tree." >&2
            exit 7
            fi
        fi
        is_from_mktarball="true"
        is_binaries_only="true"
    elif [ -d "$temp_dir_name/dkms_source_tree" ]; then
        . $temp_dir_name/dkms_source_tree/dkms.conf 2>/dev/null
        if [ -z "$PACKAGE_NAME" ] || [ -z "$PACKAGE_VERSION" ]; then
            echo $"" >&2
            echo $"Error! Tarball does not appear to be a correctly formed" >&2
            echo $"DKMS archive." >&2
            rm -rf $temp_dir_name
            exit 8
        fi
        is_from_mktarball="true"
        tarball_source_tree_name="dkms_source_tree"
    else
        echo $"" >&2
        echo $"Error! Tarball does not appear to be a correctly formed" >&2
        echo $"DKMS archive." >&2
        rm -rf $temp_dir_name
        exit 8
    fi

    # Is tarball from before DKMS 2.0 (prior to arch support)
    if [ "$is_from_mktarball" == "true" ] && ! [ -e "$temp_dir_name/dkms_main_tree/dkms_dbversion" ]; then
        is_not_arch_aware="true"
        echo $"" >&2
        echo $"Warning!  This tarball was created with dkms < 2.0 and contains" >&2
        echo $"no arch info. DKMS will assume the arch: ${arch_array[0]}" >&2
    fi

    # Make sure we got what we needed from the tarball
    module="$PACKAGE_NAME"
    module_version="$PACKAGE_VERSION"

    echo $""
    echo $"Loading tarball for module: $module / version: $module_version"
    echo $""

    # Load the source from the tarball or build it's structure (for binaries only)
    if [ -z "$is_binaries_only" ]; then
        if [ "`$0 status -m $module -v $module_version 2>/dev/null`" != "" ] && [ -z "$force" ]; then
            echo $"Warning! Source for $module-$module_version already exists.  Skipping..." >&2
        else
            echo $"Loading $source_tree/$module-$module_version..."
            rm -rf $source_tree/$module-$module_version
            mkdir -p $source_tree/$module-$module_version
            cp -rf $temp_dir_name/$tarball_source_tree_name/* $source_tree/$module-$module_version
        fi

        mkdir -p $dkms_tree/$module/$module_version
    else
        echo $"Creating $dkms_tree/$module/$module_version/source"
        mkdir -p $dkms_tree/$module/$module_version/source
        echo $"Copying dkms.conf to $dkms_tree/$module/$module_version/source..."
        cp -rf $temp_dir_name/dkms_binaries_only/dkms.conf $dkms_tree/$module/$module_version/source
    fi

    # Load kernel directories
    [ -n "$is_not_arch_aware" ] && dirs_to_load=`find $temp_dir_name/dkms_main_tree -type d -maxdepth 1 -mindepth 1 2>/dev/null`
    [ -z "$is_not_arch_aware" ] && dirs_to_load=`find $temp_dir_name/dkms_main_tree -type d -maxdepth 2 -mindepth 2 2>/dev/null`
    for directory in $dirs_to_load; do
        dirs_to_parse=`echo $directory | sed "s#.*dkms_main_tree/##"`
        kernel_to_load=`echo $dirs_to_parse | sed "s#/.*##"`
        # arch_to_load="${arch_array[0]##*/}"
        [ `echo $dirs_to_parse | grep -c "/"` -gt 0 ] && arch_to_load=`echo $dirs_to_parse | sed "s#.*/##"` || arch_to_load="${arch_array[0]}"

        dkms_dir_location="$dkms_tree/$module/$module_version/$kernel_to_load/$arch_to_load"


        dkms_dir_location="$dkms_tree/$module/$module_version/$kernel_to_load/$arch_to_load"
        if [ -d "$dkms_dir_location" ] && [ -z "$force" ]; then
            echo $"Warning! $dkms_dir_location already exists.  Skipping..." >&2
        else
            echo $"Loading $dkms_dir_location..."
            rm -rf $dkms_dir_location
            mkdir -p $dkms_dir_location
            cp -rf $directory/* $dkms_dir_location/
        fi
    done

    # Create source symlink (if there isn't a real directory there)
    if [ ! -h "$dkms_tree/$module/$module_version/source" ] && \
       [ ! -d "$dkms_tree/$module/$module_version/source" ] || [ ! -z "$force" ]; then
        echo $"Creating $dkms_tree/$module/$module_version/source symlink..."
        rm -f "$dkms_tree/$module/$module_version/source"
        ln -s "$source_tree/$module-$module_version" "$dkms_tree/$module/$module_version/source"
    fi

    # Clean up /tmp
    rm -rf $temp_dir_name

    echo $""
    echo $"DKMS: ldtarball Completed."
}

run_match ()
{
    setup_kernels_arches "match"
    set_kernel_source_dir "${kernelver_array[0]}"

    # Error if $template_kernel is unset
    if [ -z "$template_kernel" ]; then
        echo $"" >&2
        echo $"Error! Invalid number of parameters passed." >&2
        echo $"Usage: match --templatekernel=<kernel-version> -k <kernel-version>" >&2
        echo $"   or: match --templatekernel=<kernel-version> -k <kernel-version> -m <module>" >&2
        exit 1
    fi

    # Error out if $template_kernel = $kernel_version
    if [ "$template_kernel" == "${kernelver_array[0]}" ]; then
        echo $"" >&2
        echo $"Error! The templatekernel and the specified kernel version are the same." >&2
        exit 2
    fi

    # Read in the status of template_kernel
    local template_kernel_status=`$0 status -k $template_kernel -a ${arch_array[0]} | grep ": installed"`

    # If $module is set, grep the status only for that module
    if [ -n "$module" ]; then

        # Make sure that its installed in the first place
        if ! [ -d "$dkms_tree/$module/" ]; then
            echo $"" >&2
            echo $"Error! The module: $module is not located in the DKMS tree." >&2
            exit 3
        fi

        template_kernel_status=`echo "$template_kernel_status" | grep "^$module,"`
    fi

    echo $""
    echo $"Matching modules in kernel: ${kernelver_array[0]} (${arch_array[0]})"
    echo $"to the configuration of kernel: $template_kernel (${arch_array[0]})"

    # Prepare the kernel just once but only if there is actual work to do
    if [ -z "$template_kernel_status" ]; then
        echo $""
        echo $"There is nothing to be done for this match."
    else
        prepare_kernel "${kernelver_array[0]}" "${arch_array[0]}"

        # Iterate over the kernel_status and match kernel to the template_kernel
        while read template_line; do
            template_module=`echo "$template_line" | awk {'print $1'} | sed 's/,$//'`
            template_version=`echo "$template_line" | awk {'print $2'} | sed 's/,$//'`

            # Print out a match header
            echo $""
            echo $"---- Match Beginning ----"
            echo $"Module:  $template_module"
            echo $"Version: $template_version"
            echo $"-------------------------"

            # Figure out what to do from here
            if $0 status -m "$template_module" -v "$template_version" -k "${kernelver_array[0]}" -a "${arch_array[0]}" 2>/dev/null | grep -q ": installed"; then
                echo $""
                echo $"This module/version combo is already installed.  Nothing to be done."
            elif $0 status -m "$template_module" -v "$template_version" -k "${kernelver_array[0]}" -a "${arch_array[0]}" 2>/dev/null | grep -q ": built"; then
                echo $""
                echo $"This module/version combo is built.  Installing it:"
                module="$template_module"
                module_version="$template_version"
                install_module
            else
                echo $""
                echo $"Building & Installing this module/version:"
                module="$template_module"
                module_version="$template_version"
                build_module
                install_module
            fi
        done < <(echo "$template_kernel_status")

        # Clean up the kernel tree
        if [[ ! ( $(VER ${kernelver_array[0]}) < $(VER 2.6.6) ) && \
            -d "$kernel_source_dir" && \
            ! -h "$kernel_source_dir" && \
            -z "$ksourcedir_fromcli" ]]; then
            echo $"Kernel cleanup unnecessary for this kernel.  Skipping..."
        elif [ -z "$no_clean_kernel" ]; then
            cd "$kernel_source_dir"
            [ -z "$kerneldoth_contents" ] && invoke_command "make mrproper" "cleaning kernel tree (make mrproper)" background
            [ -n "$config_contents" ] && echo "$config_contents" > .config
            [ -n "$kerneldoth_contents" ] && echo "$kerneldoth_contents" > /boot/kernel.h
            cd - >/dev/null
        fi
    fi

    # Done
    echo $""
    echo $"DKMS: match Completed."
}

make_rpm()
{
    setup_kernels_arches "mkrpm"

    make_common_test "mkrpm"

    # Check that the rpmbuild command is present
    if ! which rpmbuild >/dev/null 2>&1 ; then
        echo $"" >&2
        echo $"Error! rpmbuild not present." >&2
        echo $"Install the rpm-build package." >&2
        exit 1
    fi

    # Read the conf file
    read_conf "${kernelver_array[0]}" "${arch_array[0]}"
    if [ "$?" -ne 0 ]; then
        echo $"" >&2
        echo $"Error! Bad conf file." >&2
        echo $"Your dkms.conf is not valid." >&2
        exit 4
    fi

    local rpm_basedir="$dkms_tree/$module/$module_version/rpm"

    echo $""
    if [ -e "$dkms_tree/$module/$module_version/source/$module-dkms-mkrpm.spec" ]; then
        echo $"Using $dkms_tree/$module/$module_version/source/$module-dkms-mkrpm.spec"
        SPECFILE="$dkms_tree/$module/$module_version/source/$module-dkms-mkrpm.spec"
    elif [ -e "/etc/dkms/template-dkms-mkrpm.spec" ]; then
        echo $"Using /etc/dkms/template-dkms-mkrpm.spec"
        SPECFILE="/etc/dkms/template-dkms-mkrpm.spec"
    else
        echo $"" >&2
        echo $"Cannot find /etc/dkms/template-dkms-mkrpm.spec which is needed by" >&2
        echo $"DKMS in order use mkrpm." >&2
        exit 5
    fi

    # Error out if binaries-only is set and source-only is set
    if [ -n "$binaries_only" ] && [ -n "$source_only" ]; then
        echo $"" >&2
        echo $"Error!  You have specified both --binaries-only and --source-only." >&2
        echo $"You cannot do this." >&2
        exit 8
    fi

    # Run a dkms mktarball for use in the rpm
    local mktarball_line
    if [ ! -n "$source_only" ] || [ -n "$binaries_only" ]; then
        mktarball_line="--binaries-only"
        local i=0
        echo $""
        while [ $i -lt ${#kernelver_array[@]} ]; do
            if ! [ -d "$dkms_tree/$module/$module_version/${kernelver_array[$i]}/${arch_array[$i]}" ]; then
            echo $"" >&2
            echo $"You do not seem to have $module $module_version built for" >&2
            echo $"${kernelver_array[$i]} (${arch_array[$i]}).  All modules must be in" >&2
            echo $"the built state before you can use mkrpm." >&2
            exit 5
            fi
            echo $"Marking ${kernelver_array[$i]} (${arch_array[$i]}) for RPM..."
            mktarball_line="-k ${kernelver_array[$i]} -a ${arch_array[$i]} $mktarball_line"
            i=$(($i + 1))
        done
    else
        mktarball_line="none"
    fi

    local RC=0
    local temp_dir_name=`mktemp -d $tmp_location/dkms.XXXXXX`
    trap 'rm -rf $temp_dir_name' EXIT HUP TERM
    mkdir -p ${temp_dir_name}/{BUILD,RPMS,SRPMS,SPECS,SOURCES}
    cp ${SPECFILE} ${temp_dir_name}/SPECS/dkms_mkrpm.spec

    #if using legacy mode, install common postinst
    if [ "$legacy_postinst" != "0" ]; then
        invoke_command "cp '$PREFIX/usr/lib/dkms/common.postinst' '${temp_dir_name}/SOURCES'" "copying legacy postinstall template"
    fi

    #Copy in the source tree
    if [ ! -n "$binaries_only" ]; then
        invoke_command "cp -Lpr '$dkms_tree/$module/$module_version/source' '${temp_dir_name}/SOURCES/$module-$module_version'" "Copying source tree"
    fi

    invoke_command "LC_ALL=C rpmbuild --define \"_topdir ${temp_dir_name}\" --define \"version $module_version\" --define \"module_name $module\" --define \"kernel_versions ${kernelver_array[*]}\" --define \"mktarball_line $mktarball_line\" --define \"__find_provides  /usr/lib/dkms/find-provides\" --define \"_use_internal_dependency_generator 0\" -ba ${temp_dir_name}/SPECS/dkms_mkrpm.spec > ${temp_dir_name}/rpmbuild.log 2>&1" "rpmbuild"
    if [ "$?" -eq 0 ]; then
        mkdir -p ${rpm_basedir}
        cp -a ${temp_dir_name}/SRPMS/* ${temp_dir_name}/RPMS/*/* ${rpm_basedir}/
        echo $""
        cat ${temp_dir_name}/rpmbuild.log | grep ^Wrote | sed -e "s:${temp_dir_name}/:${rpm_basedir}/:" -e 's:SRPMS/::' -e 's:RPMS/.*/::'
        echo $""
        echo $"DKMS: mkrpm Completed."
    else
        echo $"" >&2
        echo $"Error! There was a problem creating your rpm." >&2
        cat ${temp_dir_name}/rpmbuild.log >&2
        RC=7
    fi
    rm -rf $temp_dir_name
    trap > /dev/null 2>&1
    [ ${RC} -ne 0 ] && exit ${RC}
}

function preproc_file()
{
    local date_str="$(date -R)"
    echo "modifying $1..."
    sed -e "s/DEBIAN_PACKAGE/$debian_package/g" \
        -e "s/MODULE_NAME/$module/g" \
        -e "s/MODULE_VERSION/$module_version/g" \
        -e "s/DATE_STAMP/$date_str/" "$1" > "$1.dkms-pp"
    mv "$1.dkms-pp" "$1"
}

function make_debian_test_depends()
{
    INSTALL_PACKAGES=""
    # Check that the fakeroot command is present
    if ! which fakeroot >/dev/null 2>&1 ; then
        INSTALL_PACKAGES="fakeroot $INSTALL_PACKAGES"
    fi

    # Check that the dh_make command is present
    if ! which dpkg-buildpackage >/dev/null 2>&1 ; then
        INSTALL_PACKAGES="dpkg-dev $INSTALL_PACKAGES"
    fi
    echo "$INSTALL_PACKAGES"
}

function make_debian()
{
    create_type="$1"

    create_temporary_trees
    trap "delete_temporary_trees" EXIT HUP TERM

    make_common_test "mk${create_type}"

    debian_package=$(echo $module | sed s/_/-/g)

    SYNAPTIC=""
    #Synaptic availablity
    if [ -x /usr/sbin/synaptic ]; then
        SYNAPTIC="TRUE"
    fi

    #test who we are
    ROOT=""
    if [ "$USER" != "root" ]; then
        if [ -x /usr/sbin/su-to-root ]; then
            ROOT="/usr/sbin/su-to-root -c"
        elif [ -x /usr/bin/gksudo ] && [ ! -z "$DISPLAY" ]; then
            ROOT="/usr/bin/gksudo --description 'DKMS Debian package builder' "
        elif [ -x /usr/bin/kdesu ] && [ ! -z "$DISPLAY" ]; then
            ROOT="/usr/bin/kdesu"
        elif [ -x /usr/bin/sudo ]; then
            ROOT="/usr/bin/sudo"
        fi
    fi

    # Read the conf file
    read_conf "${kernelver_array[0]}" "${arch_array[0]}"
    if [ "$?" -ne 0 ]; then
        echo $"" >&2
        echo $"Error! Bad conf file." >&2
        echo $"Your dkms.conf is not valid." >&2
        exit 4
    fi

    #test if we are missing dependencies that are needed during package build
    INSTALL_PACKAGES="`make_debian_test_depends`"
    if [ ! -z "$INSTALL_PACKAGES" ]; then
        if [ -z "$ROOT" ]; then
            echo $"" >&2
            echo $"Error! Missing $INSTALL_PACKAGES" >&2
            echo $"and unable to install.  Please ask an admin to install for you." >&2
            exit 4
        fi
        if [ ! -z "$SYNAPTIC" ] && [ ! -z "$DISPLAY" ]; then
            local TEMPFILE=`/bin/tempfile`
            echo $INSTALL_PACKAGES | sed 's/|/\ install\/g' > $TEMPFILE
            $ROOT "sh -c '/usr/sbin/synaptic --set-selections --non-interactive --hide-main-window < $TEMPFILE'"
            trap "rm -f $TEMPFILE; delete_temporary_trees" EXIT HUP TERM
        else
            $ROOT apt-get -y install $INSTALL_PACKAGES
        fi

        INSTALL_PACKAGES="`make_debian_test_depends`"
        #Retest packages
        if [ ! -z "$INSTALL_PACKAGES" ]; then
            echo $"" >&2
            echo $"Error! Missing $INSTALL_PACKAGES" >&2
            echo $"and unable to install.  Please ask an admin to install for you." >&2
            exit 4
        fi
    fi

    #skeleton to load templates from
    local system_mk="$dkms_tree/$module/$module_version/source/$module-dkms-mk${create_type}"
    local local_mk="/etc/dkms/template-dkms-mk${create_type}"
    if [ -e "${system_mk}" ]; then
        echo $"Using ${system_mk}"
        DEBDIR=${system_mk}
    elif [ -e "${local_mk}" ]; then
        echo $"Using ${local_mk}"
        DEBDIR=${local_mk}
    else
        echo $"" >&2
        echo $"Cannot find ${local_mk} which is needed by" >&2
        echo $"DKMS in order to use mk${create_type}." >&2
        exit 5
    fi

    #prepare build directory and copy template
    local temp_dir=`mktemp -d $tmp_location/dkms.XXXXXX`
    trap "rm -rf $temp_dir; delete_temporary_trees" EXIT HUP TERM
    local temp_dir_debian="$temp_dir/$debian_package-dkms-$module_version"
    invoke_command "cp -ar '$DEBDIR/' '$temp_dir_debian'" "copying template"
    pushd "$temp_dir_debian" > /dev/null 2>&1
    for file in debian/*; do
        preproc_file "$file"
        chmod 755 "$file"
    done
    popd > /dev/null 2>&1

    #if using legacy mode, install common postinst
    if [ "$legacy_postinst" != "0" ]; then
        invoke_command "cp '$PREFIX/usr/lib/dkms/common.postinst' '$temp_dir_debian'" "copying legacy postinstall template"
    fi

    #Copy in the source tree
    if [ ! -n "$binaries_only" ]; then
        invoke_command "cp -Lpr '$dkms_tree/$module/$module_version/source' '$temp_dir_debian/$module-$module_version'" "Copying source tree"
    fi

    #Only if we are shipping binary modules, make a .tgz for the deb
    local archive_location="$module-$module_version.dkms.tar.gz"
    if [ ! -n "$source_only" ]; then
        binaries_only="binaries-only"
        invoke_command "make_tarball" "Gathering binaries"
        if [ -f $dkms_tree/$module/$module_version/tarball/$archive_location ]; then
            invoke_command "cp '$dkms_tree/$module/$module_version/tarball/$archive_location' '$temp_dir_debian'" "Copying DKMS tarball into DKMS tree"
        else
            echo $"" >&2
            echo $"Error! Unable to find created tarball." >&2
            exit 12
        fi
    fi

    #calculate destination directory
    deb_basedir=$dkms_tree/$module/$module_version/${create_type}
    mkdir -p ${deb_basedir} >/dev/null 2>&1

    #create deb
    pushd "$temp_dir_debian" > /dev/null 2>&1
    case "$create_type" in
        dsc)
            invoke_command "dpkg-buildpackage -S -us -uc 1>/dev/null" "Building source package"
            if [ "$?" -eq 0 ]; then
                echo $""
                echo $"DKMS: mk${create_type} Completed."
            else
                echo $"" >&2
                echo $"Error! There was a problem creating your ${create_type}." >&2
                exit 7
            fi
	    package_prefix="$temp_dir/${debian_package}-dkms_${module_version}"
	    invoke_command "mv '${package_prefix}.dsc' '${package_prefix}_source.changes' '${package_prefix}.tar.gz' '$deb_basedir'" "Moving built files to $deb_basedir"
            ;;
        deb)
            invoke_command "dpkg-buildpackage -rfakeroot -d -b -us -uc 1>/dev/null" "Building binary package"
            if [ "$?" -eq 0 ]; then
                echo $""
                echo $"DKMS: mk${create_type} Completed."
            else
                echo $"" >&2
                echo $"Error! There was a problem creating your ${create_type}." >&2
                exit 7
            fi

            invoke_command "mv '$temp_dir/${debian_package}-dkms_${module_version}_all.deb' '$deb_basedir'" "Moving built files to $deb_basedir"
            ;;
    esac
    popd > /dev/null 2>&1

    if in_temporary_trees; then
        echo "Copying built files to "`pwd`"/.." >&2
        cp "${deb_basedir}/"* ..
    fi

    #cleanup
    invoke_command "rm $temp_dir -fr" "Cleaning up temporary files"
    delete_temporary_trees

    #done
    if [ "$?" -ne 0 ]; then
        echo $"" >&2
        echo $"Error! There was a problem cleaning up temporary files." >&2
        exit 7
    fi
}

function make_common_test()
{
    local create_type=$1
    # Error if $module_version is set but $module is not
    if [ -z "$module" ] || [ -z "$module_version" ]; then
        echo $"" >&2
        echo $"Error! Invalid number of parameters passed." >&2
        echo $"Usage: $create_type -m <module> -v <module-version>" >&2
        exit 1
    fi

    # Check that source symlink works
    if ! [ -d "$dkms_tree/$module/$module_version/source" ]; then
        echo $"" >&2
        echo $"Error! DKMS tree does not contain: $module-$module_version" >&2
        echo $"Build cannot continue without the proper tree." >&2
        exit 2
    fi

    # Make sure that its installed in the first place
    if ! [ -d "$dkms_tree/$module/$module_version" ]; then
        echo $"" >&2
        echo $"Error! The module/version combo: $module-$module_version" >&2
        echo $"is not located in the DKMS tree." >&2
        exit 3
    fi

    # Error out if archive_location is set and contains a "/" in it
    case "$archive_location" in
        */*)
        echo $"" >&2
        echo $"Error!  The name you have specified for your archive contains a '/'." >&2
        echo $"You may only specify a simple filename with no preceding path."
        exit 7
        ;;
    esac

    # Error out if binaries-only is set and source-only is set
    if [ -n "$binaries_only" ] && [ -n "$source_only" ]; then
        echo $"" >&2
        echo $"Error!  You have specified both --binaries-only and --source-only." >&2
        echo $"You cannot do this." >&2
        exit 8
    fi
}

function make_kmp_srpm()
{
    local temp_dir_name=`mktemp -d $tmp_location/dkms.XXXXXX`
    trap 'rm -rf $temp_dir_name' EXIT HUP TERM
    mkdir -p $temp_dir_name/{BUILD,RPMS,SRPMS,SPECS,SOURCES}
    pushd "$dkms_tree/$module/$module_version" > /dev/null 2>&1
    # want to change name of the top-level of the tarball
    # from build to $module-$module_version
    cp -lr build ${module}-${module_version}
    tar cvjf $temp_dir_name/SOURCES/${module}-${module_version}.tar.bz2 ${module}-${module_version} > /dev/null 2>&1
    rm -rf ${module}-${module_version}
    popd > /dev/null 2>&1
    pushd "$temp_dir_name" > /dev/null 2>&1
    invoke_command "rpmbuild --define \"_topdir ${temp_dir_name}\" --target=${arch_array[0]} -bs ${SPECFILE} > ${temp_dir_name}/rpmbuild.log 2>&1" "rpmbuild"
    grep ^Wrote $temp_dir_name/rpmbuild.log > /dev/null 2>&1
    local RC="$?"
    if [ "${RC}" -eq 0 ]; then
        local kmp_basedir="$dkms_tree/$module/$module_version/rpm"
        mkdir -p $kmp_basedir
        RPMS=`LANG=C cp -va ${temp_dir_name}/SRPMS/* $kmp_basedir | awk '{print $NF}'`
    else
        echo $"rpmbuild error log:"
        cat $temp_dir_name/rpmbuild.log
    fi
    popd > /dev/null 2>&1
    rm -rf $temp_dir_name
    trap > /dev/null 2>&1
    return ${RC}
}

function report_build_problem()
{
    #If apport is on the system, files a build problem
    if [ -x /usr/share/apport/apport ] && which python>/dev/null; then
        python /usr/share/apport/package-hooks/dkms.py -m $module -v $module_version
    fi
}


function make_kmp()
{
    setup_kernels_arches "mkkmp"

    make_common_test "mkkmp"

    # Read the conf file
    read_conf "${kernelver_array[0]}" "${arch_array[0]}"
    if [ "$?" -ne 0 ]; then
        echo $"" >&2
        echo $"Error! Bad conf file." >&2
        echo $"Your dkms.conf is not valid." >&2
        exit 4
    fi

    echo $""
    if [ -n "$specfile" -a -e "$dkms_tree/$module/$module_version/source/$specfile" ]; then
        echo $"Using $dkms_tree/$module/$module_version/source/$specfile"
        SPECFILE="$dkms_tree/$module/$module_version/source/$specfile"
    elif [ -e "$dkms_tree/$module/$module_version/source/$module-kmp.spec" ]; then
        echo $"Using $dkms_tree/$module/$module_version/source/$module-kmp.spec"
        SPECFILE="$dkms_tree/$module/$module_version/source/$module-kmp.spec"
    else
        echo $"" >&2
        echo $"Cannot find a suitable spec file which is needed by" >&2
        echo $"DKMS in order use mkkmp.  Please specify --spec=specfile." >&2
        exit 5
    fi

    prepare_build
    make_kmp_srpm
    RC=$?
    clean_build

    if [ "$RC" -eq 0 ]; then
        echo $""
        echo $"KMP SRPM location: $RPMS"
        echo $""
        echo $"DKMS: mkkmp Completed."
    else
        echo $"" >&2
        echo $"Error! There was a problem creating your KMP source rpm." >&2
        exit 7
    fi
    # FIXME: hand SRPM to mock or build system to build
}

#############################
####                     ####
#### Program Starts Here ####
####                     ####
#############################

# Set Path
case ":$PATH:" in
:/usr/sbin:)
    ;;
*)
    PATH="$PATH:/usr/sbin"
    ;;
esac
case ":$PATH:" in
:/sbin:)
    ;;
*)
    PATH="$PATH:/sbin"
    ;;
esac
PATH="$PATH:/usr/lib/dkms"

# Ensure files and directories we create are readable to anyone,
# since we aim to build as a non-root user
umask 022

# Unset environment variables that may interfere with the build
unset CC CXX CFLAGS CXXFLAGS LDFLAGS

# Set important variables
current_kernel=`uname -r`
dkms_tree="/var/lib/dkms"
source_tree="/usr/src"
install_tree="/lib/modules"
tmp_file=`mktemp --tmpdir dkms.XXXXXXXX`
tmp_location=`dirname $tmp_file`
verbose=""
dkms_frameworkconf="/etc/dkms/framework.conf"

# these can come from the environment or the config file
[ -z "${ADDON_MODULES_DIR}" -a -e /etc/sysconfig/module-init-tools ] && . /etc/sysconfig/module-init-tools
addon_modules_dir="${ADDON_MODULES_DIR}"
[ -z "${addon_modules_dir}" ] && running_distribution="$(distro_version)"
weak_modules="${WEAK_MODULES_BIN}"

# Source in /etc/dkms_framework.conf
. $dkms_frameworkconf 2>/dev/null

# Clear out command line argument variables
module=""
module_version=""
template_kernel=""
distro=""
media=""
release=""
conf=""
kernel_config=""
archive_location=""
kernel_source_dir=""
ksourcedir_fromcli=""
action=""
force=""
no_prepare_kernel=""
no_clean_kernel=""
binaries_only=""
source_only=""
all=""
module_suffix=""
rpm_safe_upgrade=""
size="1440";
specfile=""
legacy_postinst="1"
unset directive_array
unset kernelver_array
unset arch_array

# Parse command line arguments
while [ $# -gt 0 ]; do
    case $1 in
    --dkmsframework*)
        if echo $1 | grep '=' >/dev/null ; then
            dkms_frameworkconf=`echo $1 | sed 's/^.*=//'`
        else
            dkms_frameworkconf="$2"
            shift
        fi
        #immediately load this config
        . $dkms_frameworkconf 2> /dev/null
        ;;
    --module*|-m)
        if echo $1 | grep '=' >/dev/null ; then
            module=`echo $1 | sed 's/^.*=//'`
        else
            module="$2"
            shift
        fi
        ;;
    -v)
        if echo $1 | grep '=' >/dev/null ; then
            module_version=`echo $1 | sed 's/^.*=//'`
        else
            module_version="$2"
            shift
        fi
        ;;
    --kernelver*|-k)
        if echo $1 | grep '=' >/dev/null ; then
            kernelver_array[${#kernelver_array[@]}]=`echo $1 | sed 's/^.*=//'`
        else
            kernelver_array[${#kernelver_array[@]}]="$2"
            shift
        fi
        ;;
    --distro*|-d)
        if echo $1 | grep '=' >/dev/null ; then
            distro=`echo $1 | sed 's/^.*=//'`
        else
            distro="$2"
            shift
        fi
        ;;
    --media*)
        if echo $1 | grep '=' >/dev/null ; then
            media=`echo $1 | sed 's/^.*=//'`
        else
            media="$2"
            shift
        fi
        ;;
    --release*|-r)
        if echo $1 | grep '=' >/dev/null ; then
            release=`echo $1 | sed 's/^.*=//'`
        else
            release="$2"
            shift
        fi
        ;;
    --templatekernel*)
        if echo $1 | grep '=' >/dev/null ; then
            template_kernel=`echo $1 | sed 's/^.*=//'`
        else
            template_kernel="$2"
            shift
        fi
        ;;
    -c)
        if echo $1 | grep '=' >/dev/null ; then
            conf=`echo $1 | sed 's/^.*=//'`
        else
            conf="$2"
            shift
        fi
        ;;
    --quiet|-q)
        exec >/dev/null 2>&1
        ;;
    --version|-V)
        echo $"dkms: 2.1.1.2"
        exit 0
        ;;
    --no-prepare-kernel)
        no_prepare_kernel="no-prepare-kernel"
        ;;
    --no-clean-kernel)
        no_clean_kernel="no-clean-kernel"
        ;;
    --binaries-only)
        binaries_only="binaries-only"
        ;;
    --source-only)
        source_only="source-only"
        ;;
    --force)
        force="true"
        ;;
    --all)
        all="true"
        ;;
    --verbose)
        verbose="true"
        ;;
    --rpm_safe_upgrade)
        rpm_safe_upgrade="true"
        ;;
    --dkmstree*)
        if echo $1 | grep '=' >/dev/null ; then
            dkms_tree=`echo $1 | sed 's/^.*=//'`
        else
            dkms_tree="$2"
            shift
        fi
        ;;
    --sourcetree*)
        if echo $1 | grep '=' >/dev/null ; then
            source_tree=`echo $1 | sed 's/^.*=//'`
        else
            source_tree="$2"
            shift
        fi
        ;;
    --installtree*)
        if echo $1 | grep '=' >/dev/null ; then
            install_tree=`echo $1 | sed 's/^.*=//'`
        else
            install_tree="$2"
            shift
        fi
        ;;
    --config*)
        if echo $1 | grep '=' >/dev/null ; then
            kernel_config=`echo $1 | sed 's/^.*=//'`
        else
            kernel_config="$2"
            shift
        fi
        ;;
    --archive*)
        if echo $1 | grep '=' >/dev/null ; then
            archive_location=`echo $1 | sed 's/^.*=//'`
        else
            archive_location="$2"
            shift
        fi
        ;;
    --legacy-postinst*)
        if echo $1 | grep "=" >/dev/null ; then
            legacy_postinst=`echo $1 | sed 's/^.*=//'`
        else
            legacy_postinst="$2"
            shift
        fi
        ;;
    --arch*|-a)
        if echo $1 | grep '=' >/dev/null ; then
            arch_array[${#arch_array[@]}]=`echo $1 | sed 's/^.*=//'`
        else
            arch_array[${#arch_array[@]}]="$2"
            shift
        fi
        ;;
    --size*)
        if echo $1 | grep '=' >/dev/null ; then
            size=`echo $1 | sed 's/^.*=//'`
        else
            size="$2"
            shift
        fi
        ;;
    --kernelsourcedir*)
        if echo $1 | grep '=' >/dev/null ; then
            kernel_source_dir=`echo $1 | sed 's/^.*=//'`
        else
            kernel_source_dir="$2"
            shift
        fi
        ksourcedir_fromcli="true"
        ;;
    --directive*)
        if echo $1 | grep '=' >/dev/null ; then
            directive_array[${#directive_array[@]}]=`echo $1 | sed 's/[^=]\+=//'`
        else
            directive_array[${#directive_array[@]}]="$2"
            shift
        fi
        ;;
    --spec*)
        if echo $1 | grep '=' >/dev/null ; then
            specfile=`echo $1 | sed 's/^.*=//'`
        else
            specfile="$2"
            shift
        fi
        ;;
    -*|--*)
        echo $"" >&2
        echo $"Error!  Unknown option: $1" >&2
        show_usage
        exit 2
        ;;
    *)
        action="$action $1"
        ;;
    esac
    shift
done

# Run the specified action
for action_to_run in $action; do
    case "$action_to_run" in
    add)
        add_module
        ;;
    remove)
        # Make sure they're root
        if [ `id -u` -ne 0 ]; then
        echo $"You must be root to use this command." >&2
        exit 1
        fi
        remove_module
        ;;
    build)
        build_module
        ;;
    install)
            # Make sure they're root
        if [ `id -u` -ne 0 ]; then
        echo $"You must be root to use this command." >&2
        exit 1
        fi
        install_module
        ;;
    match)
        # Make sure they're root
        if [ `id -u` -ne 0 ]; then
        echo $"You must be root to use this command." >&2
        exit 1
        fi
        run_match
        ;;
    uninstall)
        # Make sure they're root
        if [ `id -u` -ne 0 ]; then
        echo $"You must be root to use this command." >&2
        exit 1
        fi
        uninstall_module
        ;;
    mkdriverdisk)
        # Make sure they're root
        if [ `id -u` -ne 0 ]; then
        echo $"You must be root to use this command." >&2
        exit 1
        fi
        make_driver_disk
        ;;
    mktarball)
        make_tarball
        ;;
    mkrpm)
        make_rpm
        ;;
    mkdeb)
        make_debian "deb"
        ;;
    mkdsc)
        make_debian "dsc"
        ;;
    mkkmp)
        make_kmp
        ;;
    ldtarball)
        # Make sure they're root if we're using --force
        if [ `id -u` -ne 0 ] && [ "$force" == "true" ]; then
        echo $"You must be root to use this command with the --force option." >&2
        exit 1
        fi
        load_tarball
        ;;
    status)
        show_status
        ;;
    "")
        echo "" >&2
        echo $"Error! No action was specified.">&2
        show_usage
        ;;
    *)
        echo "" >&2
        echo $"Error! Unknown action specified: $action_to_run" >&2
        show_usage
        ;;
    esac
done