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# dkms_autoinstaller A service to automatically install DKMS modules
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# description: An autoinstaller bootup service for DKMS
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# Provides: dkms_autoinstaller dkms
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# Default-Start: 2 3 4 5
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# Required-Start: $local_fs
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# Required-Stop: $null
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# Short-Description: Automatically install DKMS modules for new kernels
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# Description: A service to automatically install DKMS modules for new kernels.
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test -f /usr/sbin/dkms || exit 0
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#We only have these functions on debian/ubuntu
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# so on other distros just stub them out
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if [ -f /lib/lsb/init-functions ]; then
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. /lib/lsb/init-functions
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if [ ! -f /etc/debian_version ]; then
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alias log_daemon_msg=echo
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log_end_msg() { if [ "$1" = "0" ]; then echo " Done. "; else echo " Failed. "; fi }
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alias log_action_begin_msg=log_daemon_msg
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alias log_action_end_msg=log_end_msg
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local exitval_file=`mktemp /tmp/dkms.XXXXXX`
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if [ "$3" = background ] && [ -z "$verbose" ]; then
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(eval $1 >/dev/null 2>&1; echo "exitval=$?" >> "$exitval_file") &
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while [ -e "$exitval_file" ] && ! [ -s "$exitval_file" ]; do
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[ $exitval -gt 0 ] && logger -t dkms_autoinstaller "(bad exit status: $exitval)"
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[ -n "$2" ] && kernel=$2
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kernel_preparation_done=""
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dkms_tree="/var/lib/dkms"
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. /etc/dkms/framework.conf 2>/dev/null
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# See how we were called.
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log_daemon_msg "Running DKMS auto installation service for kernel $kernel"
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if [ -z "$kernel" ]; then
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if [ -L /vmlinuz -a -e /vmlinuz ]; then
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linktarget="$(basename "$(readlink /vmlinuz)")"
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kernel="${linktarget##vmlinuz-}"
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# Iterate over the modules
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for modulepath in $(find "$dkms_tree" -maxdepth 1 -mindepth 1 -type d); do
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module_in_tree=${modulepath##*/}
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# Determine which versions to show status for
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already_installed_version=""
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for versioned_path in $(find "$modulepath" -maxdepth 1 -mindepth 1 -type d -a -not -name original_module); do
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version_count=$(($version_count + 1))
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version_in_tree="${versioned_path##*/}"
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if [ -f $versioned_path/source/dkms.conf ]; then
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do_autoinstall=$(sed -n -e 's/^\(str *\)\?AUTOINSTALL=\(.*\)$/\2/gp;' $versioned_path/source/dkms.conf)
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current_state="broken"
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# Get the current state
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# a mod can be both built and installed-weak (stupid, but could be)
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# but installed-weak comes last, so use tail
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current_state=`dkms status -m $module_in_tree -v $version_in_tree -k $kernel -a $arch 2>/dev/null | awk {'print $5'} | tail -n 1`
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[ "$current_state" = "installed" -o "$current_state" = "installed-weak" ] && already_installed="true" && already_installed_version=$version_in_tree
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log_action_begin_msg " $module_in_tree ($version_in_tree)"
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# Based on what we know, either do it or not
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if [ "$current_state" = "broken" ]; then
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logger -t dkms_autoinstaller "$module_in_tree ($version_in_tree): Unable to locate $versioned_path/source/dkms.conf"
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logger -t dkms_autoinstaller " DKMS tree must be manually fixed"
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elif [ -n "$already_installed" ]; then
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elif [ -z "$do_autoinstall" ]; then
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logger -t dkms_autoinstaller "$module_in_tree ($version_in_tree): AUTOINSTALL not set in its dkms.conf."
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elif [ -n "$do_autoinstall" ] && [ "$version_count" -gt 1 ]; then
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logger -t dkms_autoinstaller "$module_in_tree: Multiple versions in DKMS. Unsure what to do. Resolve manually."
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logger -t dkms_autoinstaller "$module_in_tree ($version_in_tree): Installing module on kernel $kernel."
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if [ "$current_state" != "built" ] && ! [ -e /lib/modules/$kernel/build/include ]; then
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logger -t dkms_autoinstaller " Kernel headers for $kernel are not installed. Cannot install this module."
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logger -t dkms_autoinstaller " Try installing linux-headers-$kernel or equivalent."
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elif [ "$current_state" != "built" ] && [ -e /lib/modules/$kernel/build/include ]; then
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if [ -z "$kernel_preparation_done" ]; then
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invoke_command "dkms build -m $module_in_tree -v $version_in_tree -k $kernel -a $arch -q --no-clean-kernel" "." background
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kernel_preparation_done="true"
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invoke_command "dkms build -m $module_in_tree -v $version_in_tree -k $kernel -a $arch --no-prepare-kernel --no-clean-kernel -q" "." background
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if [ "$return_status" -eq 0 ]; then
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invoke_command "dkms install -m $module_in_tree -v $version_in_tree -k $kernel -a $arch" "." background
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logger -t dkms_autoinstaller " Build failed. Installation skipped."
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invoke_command "dkms install -m $module_in_tree -v $version_in_tree -k $kernel -a $arch -q" "." background
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if [ "$return_status" -eq 101 ]; then
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logger -t dkms_autoinstaller " A newer module version than this already exists in kernel."
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logger -t dkms_autoinstaller " Skipping install... (you can manually install later with --force)"
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elif [ "$return_status" -ne 0 ]; then
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logger -t dkms_autoinstaller " Installation failed!"
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if [ -z "$modules_needing_status" ]; then
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stop|restart|force-reload|status|reload)
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echo "Usage: $0 {start}"
added
removed
.pc/improved-error-messages.patch/dkms_autoinstaller
