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# Generate grub.cfg by inspecting /boot contents.
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# Copyright (C) 2006,2007,2008,2009,2010 Free Software Foundation, Inc.
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# GRUB is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# GRUB is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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exec_prefix="@exec_prefix@"
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datarootdir="@datarootdir@"
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exec_prefix="@exec_prefix@"
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sysconfdir="@sysconfdir@"
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PACKAGE_NAME=@PACKAGE_NAME@
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PACKAGE_VERSION=@PACKAGE_VERSION@
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if [ "x$pkgdatadir" = x ]; then
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pkgdatadir="${datadir}/@PACKAGE@"
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grub_mkconfig_dir="${sysconfdir}"/grub.d
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grub_probe="${sbindir}/@grub_probe@"
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grub_file="${bindir}/@grub_file@"
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grub_editenv="${bindir}/@grub_editenv@"
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grub_script_check="${bindir}/@grub_script_check@"
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export TEXTDOMAIN=@PACKAGE@
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export TEXTDOMAINDIR="@localedir@"
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. "${pkgdatadir}/grub-mkconfig_lib"
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gettext_printf "Usage: %s [OPTION]\n" "$self"
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gettext "Generate a grub config file"; echo
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print_option_help "-o, --output=$(gettext FILE)" "$(gettext "output generated config to FILE [default=stdout]")"
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print_option_help "-h, --help" "$(gettext "print this message and exit")"
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print_option_help "-v, --version" "$(gettext "print the version information and exit")"
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gettext "Report bugs to <bug-grub@gnu.org>."; echo
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if test $# -eq 0; then
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gettext_printf "%s: option requires an argument -- \`%s'\n" "$self" "$opt" 1>&2
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# Check the arguments.
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echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
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grub_cfg=`argument $option "$@"`; shift;;
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grub_cfg=`echo "$option" | sed 's/--output=//'`
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gettext_printf "Unrecognized option \`%s'\n" "$option" 1>&2
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# Explicitly ignore non-option arguments, for compatibility.
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if fgrep -qs '${GRUB_PREFIX}/video.lst' "${grub_mkconfig_dir}/00_header"; then
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echo "GRUB >= 2.00 has been unpacked but not yet configured." >&2
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echo "grub-mkconfig will not work until the upgrade is complete." >&2
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echo "It should run later as part of configuring the new GRUB packages." >&2
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if [ "x$EUID" = "x" ] ; then
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if [ "$EUID" != 0 ] ; then
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case "`uname 2>/dev/null`" in
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# Cygwin: Assume root if member of admin group
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for g in `id -G 2>/dev/null` ; do
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if [ $root != t ] ; then
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gettext_printf "%s: You must run this as root\n" "$self" >&2
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set $grub_probe dummy
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if test -f "$1"; then
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gettext_print "%s: Not found.\n" "$1" 1>&2
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# Device containing our userland. Typically used for root= parameter.
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GRUB_DEVICE="`${grub_probe} --target=device /`"
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GRUB_DEVICE_UUID="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true
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# Device containing our /boot partition. Usually the same as GRUB_DEVICE.
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GRUB_DEVICE_BOOT="`${grub_probe} --target=device /boot`"
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GRUB_DEVICE_BOOT_UUID="`${grub_probe} --device ${GRUB_DEVICE_BOOT} --target=fs_uuid 2> /dev/null`" || true
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# Filesystem for the device containing our userland. Used for stuff like
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# choosing Hurd filesystem module.
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GRUB_FS="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2> /dev/null || echo unknown`"
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if [ x"$GRUB_FS" = xunknown ]; then
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GRUB_FS="$(stat -f --printf=%T / || echo unknown)"
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if test -f ${sysconfdir}/default/grub ; then
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. ${sysconfdir}/default/grub
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for x in ${sysconfdir}/default/grub.d/*.cfg ; do
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if [ -e "${x}" ]; then
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# XXX: should this be deprecated at some point?
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if [ "x${GRUB_TERMINAL}" != "x" ] ; then
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GRUB_TERMINAL_INPUT="${GRUB_TERMINAL}"
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GRUB_TERMINAL_OUTPUT="${GRUB_TERMINAL}"
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if [ "x${GRUB_TERMINAL_OUTPUT}" = "x" ]; then
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GRUB_TERMINAL_OUTPUT=gfxterm;
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for x in ${GRUB_TERMINAL_OUTPUT}; do
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xconsole | xserial | xofconsole | xvga_text)
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# make sure all our children behave in conformance with ascii..
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*) echo "Invalid output terminal \"${GRUB_TERMINAL_OUTPUT}\"" >&2 ; exit 1 ;;
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GRUB_ACTUAL_DEFAULT="$GRUB_DEFAULT"
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if [ "x${GRUB_ACTUAL_DEFAULT}" = "xsaved" ] ; then GRUB_ACTUAL_DEFAULT="`"${grub_editenv}" - list | sed -n '/^saved_entry=/ s,^saved_entry=,,p'`" ; fi
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if [ "x${GRUB_RECOVERY_TITLE}" = "x" ]; then
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GRUB_RECOVERY_TITLE="recovery mode"
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# These are defined in this script, export them here so that user can
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GRUB_DEVICE_BOOT_UUID \
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GRUB_PRELOAD_MODULES \
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# These are optional, user-defined variables.
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export GRUB_DEFAULT \
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GRUB_HIDDEN_TIMEOUT \
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GRUB_HIDDEN_TIMEOUT_QUIET \
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GRUB_DEFAULT_BUTTON \
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GRUB_HIDDEN_TIMEOUT_BUTTON \
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GRUB_TIMEOUT_BUTTON \
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GRUB_TIMEOUT_STYLE_BUTTON \
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GRUB_BUTTON_CMOS_ADDRESS \
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GRUB_BUTTON_CMOS_CLEAN \
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GRUB_CMDLINE_LINUX_DEFAULT \
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GRUB_CMDLINE_XEN_DEFAULT \
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GRUB_CMDLINE_LINUX_XEN_REPLACE \
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GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT \
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GRUB_CMDLINE_NETBSD \
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GRUB_CMDLINE_NETBSD_DEFAULT \
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GRUB_CMDLINE_GNUMACH \
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GRUB_TERMINAL_INPUT \
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GRUB_TERMINAL_OUTPUT \
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GRUB_SERIAL_COMMAND \
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GRUB_DISABLE_LINUX_UUID \
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GRUB_DISABLE_RECOVERY \
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GRUB_GFXPAYLOAD_LINUX \
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GRUB_DISABLE_OS_PROBER \
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GRUB_ENABLE_CRYPTODISK \
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GRUB_OS_PROBER_SKIP_LIST \
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GRUB_DISABLE_SUBMENU \
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GRUB_RECORDFAIL_TIMEOUT \
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if test "x${grub_cfg}" != "x"; then
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rm -f "${grub_cfg}.new"
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oldumask=$(umask); umask 077
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exec > "${grub_cfg}.new"
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gettext "Generating grub configuration file ..." >&2
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# DO NOT EDIT THIS FILE
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# It is automatically generated by $self using templates
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# from ${grub_mkconfig_dir} and settings from ${sysconfdir}/default/grub
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for i in "${grub_mkconfig_dir}"/* ; do
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# emacsen backup files. FIXME: support other editors
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# emacsen autosave files. FIXME: support other editors
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if grub_file_is_not_garbage "$i" && test -x "$i" ; then
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echo "### BEGIN $i ###"
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echo "### END $i ###"
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if [ "x${grub_cfg}" != "x" ] && ! grep "^password" ${grub_cfg}.new >/dev/null; then
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chmod 444 ${grub_cfg}.new || true
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if test "x${grub_cfg}" != "x" ; then
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if ! ${grub_script_check} ${grub_cfg}.new; then
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# TRANSLATORS: %s is replaced by filename
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gettext_printf "Syntax errors are detected in generated GRUB config file.
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Ensure that there are no errors in /etc/default/grub
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and /etc/grub.d/* files or please file a bug report with
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%s file attached." "${grub_cfg}.new" >&2
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# none of the children aborted with error, install the new grub.cfg
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mv -f ${grub_cfg}.new ${grub_cfg}
added
removed
.pc/gettext-print-typo.patch/util/grub-mkconfig.in
