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#! /bin/sh set -e # grub-mkconfig helper script. # Copyright (C) 2006,2007,2008,2009,2010 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" grub_lang=`echo $LANG | cut -d . -f 1` grubdir="`echo "/boot/grub" | sed 's,//*,/,g'`" quick_boot="1" export TEXTDOMAIN=grub export TEXTDOMAINDIR="${datarootdir}/locale" . "$pkgdatadir/grub-mkconfig_lib" # Do this as early as possible, since other commands might depend on it. # (e.g. the `loadfont' command might need lvm or raid modules) for i in ${GRUB_PRELOAD_MODULES} ; do echo "insmod $i" done if [ "x${GRUB_DEFAULT}" = "x" ] ; then GRUB_DEFAULT=0 ; fi if [ "x${GRUB_DEFAULT}" = "xsaved" ] ; then GRUB_DEFAULT='${saved_entry}' ; fi if [ "x${GRUB_TIMEOUT}" = "x" ] ; then GRUB_TIMEOUT=5 ; fi if [ "x${GRUB_GFXMODE}" = "x" ] ; then GRUB_GFXMODE=auto ; fi if [ "x${GRUB_DEFAULT_BUTTON}" = "x" ] ; then GRUB_DEFAULT_BUTTON="$GRUB_DEFAULT" ; fi if [ "x${GRUB_DEFAULT_BUTTON}" = "xsaved" ] ; then GRUB_DEFAULT_BUTTON='${saved_entry}' ; fi if [ "x${GRUB_TIMEOUT_BUTTON}" = "x" ] ; then GRUB_TIMEOUT_BUTTON="$GRUB_TIMEOUT" ; fi cat << EOF if [ -s \$prefix/grubenv ]; then set have_grubenv=true load_env fi EOF cat <<EOF if [ "\${initrdfail}" = 2 ]; then set initrdfail= elif [ "\${initrdfail}" = 1 ]; then set next_entry="\${prev_entry}" set prev_entry= save_env prev_entry if [ "\${next_entry}" ]; then set initrdfail=2 fi fi EOF if [ "x$GRUB_BUTTON_CMOS_ADDRESS" != "x" ]; then cat <<EOF if cmostest $GRUB_BUTTON_CMOS_ADDRESS ; then set default="${GRUB_DEFAULT_BUTTON}" elif [ "\${next_entry}" ] ; then set default="\${next_entry}" set next_entry= save_env next_entry set boot_once=true else set default="${GRUB_DEFAULT}" fi EOF else cat <<EOF if [ "\${next_entry}" ] ; then set default="\${next_entry}" set next_entry= save_env next_entry set boot_once=true else set default="${GRUB_DEFAULT}" fi EOF fi cat <<EOF if [ x"\${feature_menuentry_id}" = xy ]; then menuentry_id_option="--id" else menuentry_id_option="" fi export menuentry_id_option if [ "\${prev_saved_entry}" ]; then set saved_entry="\${prev_saved_entry}" save_env saved_entry set prev_saved_entry= save_env prev_saved_entry set boot_once=true fi function savedefault { if [ -z "\${boot_once}" ]; then saved_entry="\${chosen}" save_env saved_entry fi } EOF cat <<"EOF" function initrdfail { if [ -n "${have_grubenv}" ]; then if [ -n "${partuuid}" ]; then if [ -z "${initrdfail}" ]; then set initrdfail=1 if [ -n "${boot_once}" ]; then set prev_entry="${default}" save_env prev_entry fi fi save_env initrdfail fi; fi } EOF if [ "$quick_boot" = 1 ]; then cat <<EOF function recordfail { set recordfail=1 EOF check_writable () { abstractions="$(grub-probe --target=abstraction "${grubdir}")" for abstraction in $abstractions; do case "$abstraction" in diskfilter | lvm) cat <<EOF # GRUB lacks write support for $abstraction, so recordfail support is disabled. EOF return 1 ;; esac done FS="$(grub-probe --target=fs "${grubdir}")" case "$FS" in btrfs | cpiofs | newc | odc | romfs | squash4 | tarfs | zfs) cat <<EOF # GRUB lacks write support for $FS, so recordfail support is disabled. EOF return 1 ;; esac cat <<EOF if [ -n "\${have_grubenv}" ]; then if [ -z "\${boot_once}" ]; then save_env recordfail; fi; fi EOF } if ! check_writable; then recordfail_broken=1 fi cat <<EOF } EOF fi cat <<EOF function load_video { EOF if [ -n "${GRUB_VIDEO_BACKEND}" ]; then cat <<EOF insmod ${GRUB_VIDEO_BACKEND} EOF else # If all_video.mod isn't available load all modules available # with versions prior to introduction of all_video.mod cat <<EOF if [ x\$feature_all_video_module = xy ]; then insmod all_video else insmod efi_gop insmod efi_uga insmod ieee1275_fb insmod vbe insmod vga insmod video_bochs insmod video_cirrus fi EOF fi cat <<EOF } EOF serial=0; gfxterm=0; for x in ${GRUB_TERMINAL_INPUT} ${GRUB_TERMINAL_OUTPUT}; do if [ xserial = "x$x" ]; then serial=1; fi if [ xgfxterm = "x$x" ]; then gfxterm=1; fi done if [ "x$serial" = x1 ]; then if [ "x${GRUB_SERIAL_COMMAND}" = "x" ] ; then grub_warn "$(gettext "Requested serial terminal but GRUB_SERIAL_COMMAND is unspecified. Default parameters will be used.")" GRUB_SERIAL_COMMAND=serial fi echo "${GRUB_SERIAL_COMMAND}" fi if [ "x$gfxterm" = x1 ]; then if [ -n "$GRUB_FONT" ] ; then # Make the font accessible prepare_grub_to_access_device `${grub_probe} --target=device "${GRUB_FONT}"` cat << EOF if loadfont `make_system_path_relative_to_its_root "${GRUB_FONT}"` ; then EOF else for dir in "${pkgdatadir}" "`echo '/boot/grub' | sed "s,//*,/,g"`" /usr/share/grub ; do for basename in unicode unifont ascii; do path="${dir}/${basename}.pf2" if is_path_readable_by_grub "${path}" > /dev/null ; then font_path="${path}" else continue fi break 2 done done if [ -n "${font_path}" ] ; then cat << EOF if [ x\$feature_default_font_path = xy ] ; then font=unicode else EOF # Make the font accessible prepare_grub_to_access_device `${grub_probe} --target=device "${font_path}"` cat << EOF font="`make_system_path_relative_to_its_root "${font_path}"`" fi if loadfont \$font ; then EOF else cat << EOF if loadfont unicode ; then EOF fi fi cat << EOF set gfxmode=${GRUB_GFXMODE} load_video insmod gfxterm EOF # Gettext variables and module if [ "x${LANG}" != "xC" ] && [ "x${LANG}" != "x" ]; then cat << EOF set locale_dir=\$prefix/locale set lang=${grub_lang} insmod gettext EOF fi cat <<EOF fi EOF fi case x${GRUB_TERMINAL_INPUT} in x) # Just use the native terminal ;; x*) cat << EOF terminal_input ${GRUB_TERMINAL_INPUT} EOF ;; esac case x${GRUB_TERMINAL_OUTPUT} in x) # Just use the native terminal ;; x*) cat << EOF terminal_output ${GRUB_TERMINAL_OUTPUT} EOF ;; esac if [ "x$gfxterm" = x1 ]; then if [ "x$GRUB_THEME" != x ] && [ -f "$GRUB_THEME" ] \ && is_path_readable_by_grub "$GRUB_THEME"; then gettext_printf "Found theme: %s\n" "$GRUB_THEME" >&2 prepare_grub_to_access_device `${grub_probe} --target=device "$GRUB_THEME"` cat << EOF insmod gfxmenu EOF themedir="`dirname "$GRUB_THEME"`" for x in "$themedir"/*.pf2 "$themedir"/f/*.pf2; do if [ -f "$x" ]; then cat << EOF loadfont (\$root)`make_system_path_relative_to_its_root $x` EOF fi done if [ x"`echo "$themedir"/*.jpg`" != x"$themedir/*.jpg" ] || [ x"`echo "$themedir"/*.jpeg`" != x"$themedir/*.jpeg" ]; then cat << EOF insmod jpeg EOF fi if [ x"`echo "$themedir"/*.png`" != x"$themedir/*.png" ]; then cat << EOF insmod png EOF fi if [ x"`echo "$themedir"/*.tga`" != x"$themedir/*.tga" ]; then cat << EOF insmod tga EOF fi cat << EOF set theme=(\$root)`make_system_path_relative_to_its_root $GRUB_THEME` export theme EOF elif [ "x$GRUB_BACKGROUND" != x ] && [ -f "$GRUB_BACKGROUND" ] \ && is_path_readable_by_grub "$GRUB_BACKGROUND"; then gettext_printf "Found background: %s\n" "$GRUB_BACKGROUND" >&2 case "$GRUB_BACKGROUND" in *.png) reader=png ;; *.tga) reader=tga ;; *.jpg|*.jpeg) reader=jpeg ;; *) gettext "Unsupported image format" >&2; echo >&2; exit 1 ;; esac prepare_grub_to_access_device `${grub_probe} --target=device "$GRUB_BACKGROUND"` cat << EOF insmod $reader background_image -m stretch `make_system_path_relative_to_its_root "$GRUB_BACKGROUND"` EOF fi fi make_timeout () { cat << EOF if [ "\${recordfail}" = 1 ] ; then set timeout=${GRUB_RECORDFAIL_TIMEOUT:-30} else EOF if [ "x${3}" != "x" ] ; then timeout="${2}" style="${3}" elif [ "x${1}" != "x" ] && \ ([ "$quick_boot" = 1 ] || [ "x${1}" != "x0" ]) ; then # Handle the deprecated GRUB_HIDDEN_TIMEOUT scheme. timeout="${1}" if [ "x${2}" != "x0" ] ; then grub_warn "$(gettext "Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.")" fi if [ "x${GRUB_HIDDEN_TIMEOUT_QUIET}" = "xtrue" ] ; then style="hidden" verbose= else style="countdown" verbose=" --verbose" fi else # No hidden timeout, so treat as GRUB_TIMEOUT_STYLE=menu timeout="${2}" style="menu" fi cat << EOF if [ x\$feature_timeout_style = xy ] ; then set timeout_style=${style} set timeout=${timeout} EOF if [ "x${style}" = "xmenu" ] ; then cat << EOF # Fallback normal timeout code in case the timeout_style feature is # unavailable. else set timeout=${timeout} EOF else cat << EOF # Fallback hidden-timeout code in case the timeout_style feature is # unavailable. elif sleep${verbose} --interruptible ${timeout} ; then set timeout=0 EOF fi cat << EOF fi fi EOF if [ "$recordfail_broken" = 1 ]; then cat << EOF if [ \$grub_platform = efi ]; then set timeout=${GRUB_RECORDFAIL_TIMEOUT:-30} if [ x\$feature_timeout_style = xy ] ; then set timeout_style=menu fi fi EOF fi } if [ "x$GRUB_BUTTON_CMOS_ADDRESS" != "x" ]; then cat <<EOF if cmostest $GRUB_BUTTON_CMOS_ADDRESS ; then EOF make_timeout "${GRUB_HIDDEN_TIMEOUT_BUTTON}" "${GRUB_TIMEOUT_BUTTON}" "${GRUB_TIMEOUT_STYLE_BUTTON}" echo else make_timeout "${GRUB_HIDDEN_TIMEOUT}" "${GRUB_TIMEOUT}" "${GRUB_TIMEOUT_STYLE}" echo fi else make_timeout "${GRUB_HIDDEN_TIMEOUT}" "${GRUB_TIMEOUT}" "${GRUB_TIMEOUT_STYLE}" fi if [ "x$GRUB_BUTTON_CMOS_ADDRESS" != "x" ] && [ "x$GRUB_BUTTON_CMOS_CLEAN" = "xyes" ]; then cat <<EOF cmosclean $GRUB_BUTTON_CMOS_ADDRESS EOF fi # Play an initial tune if [ "x${GRUB_INIT_TUNE}" != "x" ] ; then echo "play ${GRUB_INIT_TUNE}" fi if [ "x${GRUB_BADRAM}" != "x" ] ; then echo "badram ${GRUB_BADRAM}" fi