316 lines
8.6 KiB
Bash
316 lines
8.6 KiB
Bash
#! /bin/sh
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set -e
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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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#
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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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#
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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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#
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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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prefix="@prefix@"
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exec_prefix="@exec_prefix@"
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datarootdir="@datarootdir@"
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prefix="@prefix@"
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exec_prefix="@exec_prefix@"
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sbindir="@sbindir@"
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bindir="@bindir@"
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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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host_os=@host_os@
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datadir="@datadir@"
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if [ "x$pkgdatadir" = x ]; then
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pkgdatadir="${datadir}/@PACKAGE@"
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fi
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grub_cfg=""
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grub_mkconfig_dir="${sysconfdir}"/grub.d
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self=`basename $0`
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grub_probe="${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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# Usage: usage
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# Print the usage.
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usage () {
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gettext_printf "Usage: %s [OPTION]\n" "$self"
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gettext "Generate a grub config file"; echo
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echo
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print_option_help "-o, --output=$(gettext FILE)" "$(gettext "output generated config to FILE [default=stdout]")"
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print_option_help "-r, --root-directory=$(gettext DIR)" "$(gettext "use DIR as root directory [default=/]")"
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print_option_help "-h, --help" "$(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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echo
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gettext "Report bugs to <bug-grub@gnu.org>."; echo
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}
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argument () {
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opt=$1
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shift
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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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exit 1
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fi
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echo $1
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}
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GRUB_ROOT=
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# Check the arguments.
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while test $# -gt 0
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do
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option=$1
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shift
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case "$option" in
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-h | --help)
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usage
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exit 0 ;;
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-v | --version)
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echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
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exit 0 ;;
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-o | --output)
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grub_cfg=`argument $option "$@"`; shift;;
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--output=*)
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grub_cfg=`echo "$option" | sed 's/--output=//'`
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;;
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-r | --root-directory)
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GRUB_ROOT=`argument $option "$@"`; shift;;
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--root-directory=*)
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GRUB_ROOT=`echo "$option" | sed 's/--output=//'`
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;;
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-*)
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gettext_printf "Unrecognized option \`%s'\n" "$option" 1>&2
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usage
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exit 1
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;;
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# Explicitly ignore non-option arguments, for compatibility.
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esac
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done
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if [ "x$EUID" = "x" ] ; then
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EUID=`id -u`
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fi
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if [ "$EUID" != 0 ] ; then
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root=f
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case "`uname 2>/dev/null`" in
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CYGWIN*)
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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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case $g in
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0|544) root=t ;;
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esac
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done ;;
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esac
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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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exit 1
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fi
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fi
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set $grub_probe dummy
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if test -f "$1"; then
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:
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else
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gettext_print "%s: Not found.\n" "$1" 1>&2
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exit 1
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fi
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# Device containing our userland. Typically used for root= parameter.
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GRUB_DEVICE="`${grub_probe} --target=device "$GRUB_ROOT"/`"
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GRUB_DEVICE_UUID="`${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 "$GRUB_ROOT"/boot`"
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GRUB_DEVICE_BOOT_UUID="`${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" = x ] || [ x"$GRUB_FS" = xunknown ]; then
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GRUB_FS="$(stat -f --printf=%T "$GRUB_ROOT"/ || echo unknown)"
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fi
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if test -f ${sysconfdir}/default/grub ; then
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. ${sysconfdir}/default/grub
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fi
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# XXX: should this be deprecated at some point?
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if [ "x${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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fi
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termoutdefault=0
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if [ "x${GRUB_TERMINAL_OUTPUT}" = "x" ]; then
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GRUB_TERMINAL_OUTPUT=gfxterm;
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termoutdefault=1;
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fi
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for x in ${GRUB_TERMINAL_OUTPUT}; do
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case "x${x}" in
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xgfxterm) ;;
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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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export LANG=C;;
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*) echo "Invalid output terminal \"${GRUB_TERMINAL_OUTPUT}\"" >&2 ; exit 1 ;;
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esac
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done
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GRUB_ACTUAL_DEFAULT="$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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# These are defined in this script, export them here so that user can
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# override them.
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export GRUB_DEVICE \
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GRUB_ROOT \
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GRUB_DEVICE_UUID \
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GRUB_DEVICE_BOOT \
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GRUB_DEVICE_BOOT_UUID \
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GRUB_FS \
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GRUB_FONT \
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GRUB_PRELOAD_MODULES \
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GRUB_ACTUAL_DEFAULT
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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_TIMEOUT \
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GRUB_TIMEOUT_STYLE \
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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_DISTRIBUTOR \
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GRUB_CMDLINE_LINUX \
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GRUB_CMDLINE_LINUX_DEFAULT \
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GRUB_CMDLINE_XEN \
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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_VIDEO_BACKEND \
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GRUB_GFXMODE \
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GRUB_BACKGROUND \
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GRUB_THEME \
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GRUB_GFXPAYLOAD_LINUX \
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GRUB_DISABLE_OS_PROBER \
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GRUB_INIT_TUNE \
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GRUB_SAVEDEFAULT \
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GRUB_ENABLE_CRYPTODISK \
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GRUB_BADRAM \
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GRUB_OS_PROBER_SKIP_LIST \
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GRUB_DISABLE_SUBMENU
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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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umask $oldumask
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fi
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gettext "Generating grub configuration file ..." >&2
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echo >&2
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cat << EOF
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#
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# DO NOT EDIT THIS FILE
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#
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# It is automatically generated by $self using templates
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# from ${grub_mkconfig_dir} and settings from ${sysconfdir}/default/grub
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#
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EOF
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for i in "${grub_mkconfig_dir}"/* ; do
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case "$i" in
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"${grub_mkconfig_dir}"/00_header \
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| "${grub_mkconfig_dir}"/30_os-prober \
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| "${grub_mkconfig_dir}"/40_custom \
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| "${grub_mkconfig_dir}"/41_custom)
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echo
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echo "### BEGIN $i ###"
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"$i"
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echo "### END $i ###"
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;;
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# emacsen backup files. FIXME: support other editors
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*~) ;;
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# emacsen autosave files. FIXME: support other editors
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*/\#*\#) ;;
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*)
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if grub_file_is_not_garbage "$i" && test -x "$i" ; then
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for platform in x86 i386-xen-pae x86_64-xen mips mipsel sparc64 powerpc ia64 arm; do
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GRUB_PLATFORM=$platform
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export GRUB_PLATFORM
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buf="$($i)"
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if [ x"$buf" != x ]; then
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echo
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echo "### BEGIN $i ($platform) ###"
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case x$platform in
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xx86)
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echo "if [ x\"\$grub_platform\" != xxen \\( x\"\$grub_cpu\" = xi386 -o x\"\$grub_cpu\" = xx86_64 -o x\"\$grub_platform\" = x \\) ]; then" ;;
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xi386-xen-pae)
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echo "if [ x\"\$grub_cpu-\$grub_platform\" = xi386-xen -o x\"\$grub_cpu-\$grub_platform\" = x ]; then" ;;
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xx86_64-xen)
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echo "if [ x\"\$grub_cpu-\$grub_platform\" = xx86_64-xen -o x\"\$grub_cpu-\$grub_platform\" = x ]; then" ;;
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*)
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echo "if [ x\"\$grub_cpu\" = x$platform -o x\"\$grub_platform\" = x ]; then" ;;
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esac
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echo "$buf"
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echo "fi"
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echo "### END $i ($platform) ###"
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fi
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done
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fi
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;;
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esac
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done
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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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echo >&2
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else
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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}
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fi
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fi
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gettext "done" >&2
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echo >&2
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