name : grub-mkconfig_lib # Helper library for grub-mkconfig # Copyright (C) 2007,2008,2009,2010 Free Software Foundation, Inc. # # GRUB 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 3 of the License, or # (at your option) any later version. # # GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. prefix="/usr" exec_prefix="/usr" datarootdir="/usr/share" datadir="${datarootdir}" bindir="${exec_prefix}/bin" sbindir="${exec_prefix}/sbin" if [ "x$pkgdatadir" = x ]; then pkgdatadir="${datadir}/grub" fi if test "x$grub_probe" = x; then grub_probe="${sbindir}/grub-probe" fi if test "x$grub_file" = x; then grub_file="${bindir}/grub-file" fi if test "x$grub_mkrelpath" = x; then grub_mkrelpath="${bindir}/grub-mkrelpath" fi if command -v gettext >/dev/null; then : else gettext () { printf "%s" "$@" } fi grub_warn () { echo "$(gettext "Warning:")" "$@" >&2 } make_system_path_relative_to_its_root () { "${grub_mkrelpath}" "$1" } is_path_readable_by_grub () { path="$1" # abort if path doesn't exist if test -e "$path" ; then : ;else return 1 fi # abort if file is in a filesystem we can't read if "${grub_probe}" -t fs "$path" > /dev/null 2>&1 ; then : ; else return 1 fi # ... or if we can't figure out the abstraction module, for example if # memberlist fails on an LVM volume group. if abstractions="`"${grub_probe}" -t abstraction "$path"`" 2> /dev/null ; then : else return 1 fi if [ x$GRUB_ENABLE_CRYPTODISK = xy ]; then return 0 fi for abstraction in $abstractions; do if [ "x$abstraction" = xcryptodisk ]; then return 1 fi done return 0 } convert_system_path_to_grub_path () { path="$1" grub_warn "convert_system_path_to_grub_path() is deprecated. Use prepare_grub_to_access_device() instead." # abort if GRUB can't access the path if is_path_readable_by_grub "${path}" ; then : ; else return 1 fi if drive="`"${grub_probe}" -t drive "$path"`" ; then : ; else return 1 fi if relative_path="`make_system_path_relative_to_its_root "$path"`" ; then : ; else return 1 fi echo "${drive}${relative_path}" } save_default_entry () { if [ "x${GRUB_SAVEDEFAULT}" = "xtrue" ] ; then cat << EOF savedefault EOF fi } prepare_grub_to_access_device () { old_ifs="$IFS" IFS=' ' partmap="`"${grub_probe}" --device $@ --target=partmap`" for module in ${partmap} ; do case "${module}" in netbsd | openbsd) echo "insmod part_bsd";; *) echo "insmod part_${module}";; esac done loop_file= case $1 in /dev/loop/*|/dev/loop[0-9]) grub_loop_device="${1#/dev/}" loop_file=`losetup "$1" | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/"` case $loop_file in /dev/*) ;; *) loop_device="$1" shift set -- `"${grub_probe}" --target=device "${loop_file}"` "$@" || return 0 ;; esac ;; esac # Abstraction modules aren't auto-loaded. abstraction="`"${grub_probe}" --device $@ --target=abstraction`" for module in ${abstraction} ; do echo "insmod ${module}" done fs="`"${grub_probe}" --device $@ --target=fs`" for module in ${fs} ; do echo "insmod ${module}" done if [ x$GRUB_ENABLE_CRYPTODISK = xy ]; then for uuid in `"${grub_probe}" --device $@ --target=cryptodisk_uuid`; do echo "cryptomount -u $uuid" done fi # If there's a filesystem UUID that GRUB is capable of identifying, use it; # otherwise set root as per value in device.map. fs_hint="`"${grub_probe}" --device $@ --target=compatibility_hint`" if [ "x$fs_hint" != x ]; then echo "set root='$fs_hint'" fi if [ "x${GRUB_DISABLE_UUID}" != "xtrue" ] && fs_uuid="`"${grub_probe}" --device $@ --target=fs_uuid 2> /dev/null`" ; then hints="`"${grub_probe}" --device $@ --target=hints_string 2> /dev/null`" || hints= if [ "x$hints" != x ]; then echo "if [ x\$feature_platform_search_hint = xy ]; then" echo " search --no-floppy --fs-uuid --set=root ${hints} ${fs_uuid}" echo "else" echo " search --no-floppy --fs-uuid --set=root ${fs_uuid}" echo "fi" else echo "search --no-floppy --fs-uuid --set=root ${fs_uuid}" fi fi IFS="$old_ifs" if [ "x${loop_file}" != x ]; then loop_mountpoint="$(awk '"'${loop_file}'" ~ "^"$2 && $2 != "/" { print $2 }' /proc/mounts | tail -n1)" if [ "x${loop_mountpoint}" != x ]; then echo "loopback ${grub_loop_device} ${loop_file#$loop_mountpoint}" echo "set root=(${grub_loop_device})" fi fi } grub_get_device_id () { old_ifs="$IFS" IFS=' ' device="$1" if [ "x${GRUB_DISABLE_UUID}" != "xtrue" ] && fs_uuid="`"${grub_probe}" --device ${device} --target=fs_uuid 2> /dev/null`" ; then echo "$fs_uuid"; else echo $device |sed 's, ,_,g' fi IFS="$old_ifs" } grub_file_is_not_garbage () { if test -f "$1" ; then case "$1" in *.dpkg-*) return 1 ;; # debian dpkg *.rpmsave|*.rpmnew) return 1 ;; README*|*/README*) return 1 ;; # documentation *.sig) return 1 ;; # signatures esac else return 1 fi return 0 } version_sort () { LC_ALL=C /usr/lib/grub/grub-sort-version "$@" } # Given an item as the first argument and a list as the subsequent arguments, # returns the list with the first argument moved to the front if it exists in # the list. grub_move_to_front () { item="$1" shift item_found=false for i in "$@"; do if [ "x$i" = "x$item" ]; then item_found=true fi done if [ "x$item_found" = xtrue ]; then echo "$item" fi for i in "$@"; do if [ "x$i" = "x$item" ]; then continue fi echo "$i" done } version_test_numeric () { grub_warn "version_test_numeric() is deprecated. Use version_sort() instead." version_test_numeric_a="$1" version_test_numeric_cmp="$2" version_test_numeric_b="$3" if [ "$version_test_numeric_a" = "$version_test_numeric_b" ] ; then case "$version_test_numeric_cmp" in ge|eq|le) return 0 ;; gt|lt) return 1 ;; esac fi if [ "$version_test_numeric_cmp" = "lt" ] ; then version_test_numeric_c="$version_test_numeric_a" version_test_numeric_a="$version_test_numeric_b" version_test_numeric_b="$version_test_numeric_c" fi if (echo "$version_test_numeric_a" ; echo "$version_test_numeric_b") | version_sort | head -n 1 | grep -qx "$version_test_numeric_b" ; then return 0 else return 1 fi } version_test_gt () { grub_warn "version_test_gt() is deprecated. Use version_sort() instead." version_test_gt_a="`echo "$1" | sed -e "s/[^-]*-//"`" version_test_gt_b="`echo "$2" | sed -e "s/[^-]*-//"`" version_test_gt_cmp=gt if [ "x$version_test_gt_b" = "x" ] ; then return 0 fi case "$version_test_gt_a:$version_test_gt_b" in *.old:*.old) ;; *.old:*) version_test_gt_a="`echo "$version_test_gt_a" | sed -e 's/\.old$//'`" ; version_test_gt_cmp=gt ;; *:*.old) version_test_gt_b="`echo "$version_test_gt_b" | sed -e 's/\.old$//'`" ; version_test_gt_cmp=ge ;; esac version_test_numeric "$version_test_gt_a" "$version_test_gt_cmp" "$version_test_gt_b" return "$?" } version_find_latest () { grub_warn "version_find_latest() is deprecated. Use version_sort() instead." version_find_latest_a="" for i in "$@" ; do if version_test_gt "$i" "$version_find_latest_a" ; then version_find_latest_a="$i" fi done echo "$version_find_latest_a" } # One layer of quotation is eaten by "" and the second by sed; so this turns # ' into \'. grub_quote () { sed "s/'/'\\\\''/g" } gettext_quoted () { gettext "$@" | grub_quote } # Run the first argument through gettext, and then pass that and all # remaining arguments to printf. This is a useful abbreviation and tends to # be easier to type. gettext_printf () { gettext_printf_format="$1" shift printf "$(gettext "$gettext_printf_format")" "$@" } uses_abstraction () { device="$1" old_ifs="$IFS" IFS=' ' abstraction="`"${grub_probe}" --device ${device} --target=abstraction`" for module in ${abstraction}; do if test "x${module}" = "x$2"; then IFS="$old_ifs" return 0 fi done IFS="$old_ifs" return 1 } print_option_help () { if test x$print_option_help_wc = x; then if wc -L </dev/null > /dev/null 2>&1; then print_option_help_wc=-L elif wc -m </dev/null > /dev/null 2>&1; then print_option_help_wc=-m else print_option_help_wc=-b fi fi if test x$grub_have_fmt = x; then if fmt -w 40 </dev/null > /dev/null 2>&1; then grub_have_fmt=y; else grub_have_fmt=n; fi fi print_option_help_lead=" $1" print_option_help_lspace="$(echo "$print_option_help_lead" | wc $print_option_help_wc)" print_option_help_fill="$((26 - print_option_help_lspace))" printf "%s" "$print_option_help_lead" if test $print_option_help_fill -le 0; then print_option_help_nl=y echo else print_option_help_i=0; while test $print_option_help_i -lt $print_option_help_fill; do printf " " print_option_help_i=$((print_option_help_i+1)) done print_option_help_nl=n fi if test x$grub_have_fmt = xy; then print_option_help_split="$(echo "$2" | fmt -w 50)" else print_option_help_split="$2" fi if test x$print_option_help_nl = xy; then echo "$print_option_help_split" | awk \ '{ print " " $0; }' else echo "$print_option_help_split" | awk 'BEGIN { n = 0 } { if (n == 1) print " " $0; else print $0; n = 1 ; }' fi } grub_fmt () { if test x$grub_have_fmt = x; then if fmt -w 40 < /dev/null > /dev/null; then grub_have_fmt=y; else grub_have_fmt=n; fi fi if test x$grub_have_fmt = xy; then fmt else cat fi } grub_tab=" " grub_add_tab () { sed -e "s/^/$grub_tab/" }