diff options
Diffstat (limited to 'util/grub-mkconfig.in')
| -rw-r--r-- | util/grub-mkconfig.in | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in new file mode 100644 index 0000000..f8cbb8d --- /dev/null +++ b/util/grub-mkconfig.in @@ -0,0 +1,309 @@ +#! /bin/sh +set -e + +# Generate grub.cfg by inspecting /boot contents. +# 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="@prefix@" +exec_prefix="@exec_prefix@" +datarootdir="@datarootdir@" + +prefix="@prefix@" +exec_prefix="@exec_prefix@" +sbindir="@sbindir@" +bindir="@bindir@" +sysconfdir="@sysconfdir@" +PACKAGE_NAME=@PACKAGE_NAME@ +PACKAGE_VERSION=@PACKAGE_VERSION@ +host_os=@host_os@ +datadir="@datadir@" +if [ "x$pkgdatadir" = x ]; then + pkgdatadir="${datadir}/@PACKAGE@" +fi +# export it for scripts +export pkgdatadir + +grub_cfg="" +grub_mkconfig_dir="${sysconfdir}"/grub.d + +self=`basename $0` + +grub_probe="${sbindir}/@grub_probe@" +grub_file="${bindir}/@grub_file@" +grub_editenv="${bindir}/@grub_editenv@" +grub_script_check="${bindir}/@grub_script_check@" + +export TEXTDOMAIN=@PACKAGE@ +export TEXTDOMAINDIR="@localedir@" + +. "${pkgdatadir}/grub-mkconfig_lib" + +# Usage: usage +# Print the usage. +usage () { + gettext_printf "Usage: %s [OPTION]\n" "$self" + gettext "Generate a grub config file"; echo + echo + print_option_help "-o, --output=$(gettext FILE)" "$(gettext "output generated config to FILE [default=stdout]")" + print_option_help "-h, --help" "$(gettext "print this message and exit")" + print_option_help "-V, --version" "$(gettext "print the version information and exit")" + echo + gettext "Report bugs to <bug-grub@gnu.org>."; echo +} + +argument () { + opt=$1 + shift + + if test $# -eq 0; then + gettext_printf "%s: option requires an argument -- \`%s'\n" "$self" "$opt" 1>&2 + exit 1 + fi + echo $1 +} + +# Check the arguments. +while test $# -gt 0 +do + option=$1 + shift + + case "$option" in + -h | --help) + usage + exit 0 ;; + -V | --version) + echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}" + exit 0 ;; + -o | --output) + grub_cfg=`argument $option "$@"`; shift;; + --output=*) + grub_cfg=`echo "$option" | sed 's/--output=//'` + ;; + -*) + gettext_printf "Unrecognized option \`%s'\n" "$option" 1>&2 + usage + exit 1 + ;; + # Explicitly ignore non-option arguments, for compatibility. + esac +done + +if [ "x$EUID" = "x" ] ; then + EUID=`id -u` +fi + +if [ "$EUID" != 0 ] ; then + root=f + case "`uname 2>/dev/null`" in + CYGWIN*) + # Cygwin: Assume root if member of admin group + for g in `id -G 2>/dev/null` ; do + case $g in + 0|544) root=t ;; + esac + done ;; + esac + if [ $root != t ] ; then + gettext_printf "%s: You must run this as root\n" "$self" >&2 + exit 1 + fi +fi + +set $grub_probe dummy +if test -f "$1"; then + : +else + gettext_printf "%s: Not found.\n" "$1" 1>&2 + exit 1 +fi + +# Device containing our userland. Typically used for root= parameter. +GRUB_DEVICE="`${grub_probe} --target=device /`" +GRUB_DEVICE_UUID="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true +GRUB_DEVICE_PARTUUID="`${grub_probe} --device ${GRUB_DEVICE} --target=partuuid 2> /dev/null`" || true + +# Device containing our /boot partition. Usually the same as GRUB_DEVICE. +GRUB_DEVICE_BOOT="`${grub_probe} --target=device /boot`" +GRUB_DEVICE_BOOT_UUID="`${grub_probe} --device ${GRUB_DEVICE_BOOT} --target=fs_uuid 2> /dev/null`" || true + +# Disable os-prober by default due to security reasons. +GRUB_DISABLE_OS_PROBER="true" + +# Filesystem for the device containing our userland. Used for stuff like +# choosing Hurd filesystem module. +GRUB_FS="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2> /dev/null || echo unknown`" + +if [ x"$GRUB_FS" = xunknown ]; then + GRUB_FS="$(stat -f -c %T / || echo unknown)" +fi + +# Provide a default set of stock linux early initrd images. +# Define here so the list can be modified in the sourced config file. +if [ "x${GRUB_EARLY_INITRD_LINUX_STOCK}" = "x" ]; then + GRUB_EARLY_INITRD_LINUX_STOCK="intel-uc.img intel-ucode.img amd-uc.img amd-ucode.img early_ucode.cpio microcode.cpio" +fi + +if test -f ${sysconfdir}/default/grub ; then + . ${sysconfdir}/default/grub +fi + +if [ "x${GRUB_DISABLE_UUID}" = "xtrue" ]; then + if [ -z "${GRUB_DISABLE_LINUX_UUID}" ]; then + GRUB_DISABLE_LINUX_UUID="true" + fi + if [ -z "${GRUB_DISABLE_LINUX_PARTUUID}" ]; then + GRUB_DISABLE_LINUX_PARTUUID="true" + fi +fi + +# XXX: should this be deprecated at some point? +if [ "x${GRUB_TERMINAL}" != "x" ] ; then + GRUB_TERMINAL_INPUT="${GRUB_TERMINAL}" + GRUB_TERMINAL_OUTPUT="${GRUB_TERMINAL}" +fi + +termoutdefault=0 +if [ "x${GRUB_TERMINAL_OUTPUT}" = "x" ]; then + GRUB_TERMINAL_OUTPUT=gfxterm; + termoutdefault=1; +fi + +for x in ${GRUB_TERMINAL_OUTPUT}; do + case "x${x}" in + xgfxterm) ;; + xconsole | xserial | xofconsole | xvga_text) + # make sure all our children behave in conformance with ascii.. + export LANG=C;; + *) echo "Invalid output terminal \"${GRUB_TERMINAL_OUTPUT}\"" >&2 ; exit 1 ;; + esac +done + +GRUB_ACTUAL_DEFAULT="$GRUB_DEFAULT" + +if [ "x${GRUB_ACTUAL_DEFAULT}" = "xsaved" ] ; then GRUB_ACTUAL_DEFAULT="`"${grub_editenv}" - list | sed -n '/^saved_entry=/ s,^saved_entry=,,p'`" ; fi + + +# These are defined in this script, export them here so that user can +# override them. +export GRUB_DEVICE \ + GRUB_DEVICE_UUID \ + GRUB_DEVICE_PARTUUID \ + GRUB_DEVICE_BOOT \ + GRUB_DEVICE_BOOT_UUID \ + GRUB_DISABLE_OS_PROBER \ + GRUB_FS \ + GRUB_FONT \ + GRUB_PRELOAD_MODULES \ + GRUB_ACTUAL_DEFAULT + +# These are optional, user-defined variables. +export GRUB_DEFAULT \ + GRUB_HIDDEN_TIMEOUT \ + GRUB_HIDDEN_TIMEOUT_QUIET \ + GRUB_TIMEOUT \ + GRUB_TIMEOUT_STYLE \ + GRUB_DEFAULT_BUTTON \ + GRUB_HIDDEN_TIMEOUT_BUTTON \ + GRUB_TIMEOUT_BUTTON \ + GRUB_TIMEOUT_STYLE_BUTTON \ + GRUB_BUTTON_CMOS_ADDRESS \ + GRUB_BUTTON_CMOS_CLEAN \ + GRUB_DISTRIBUTOR \ + GRUB_CMDLINE_LINUX \ + GRUB_CMDLINE_LINUX_DEFAULT \ + GRUB_CMDLINE_XEN \ + GRUB_CMDLINE_XEN_DEFAULT \ + GRUB_CMDLINE_LINUX_XEN_REPLACE \ + GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT \ + GRUB_CMDLINE_NETBSD \ + GRUB_CMDLINE_NETBSD_DEFAULT \ + GRUB_CMDLINE_GNUMACH \ + GRUB_EARLY_INITRD_LINUX_CUSTOM \ + GRUB_EARLY_INITRD_LINUX_STOCK \ + GRUB_TERMINAL_INPUT \ + GRUB_TERMINAL_OUTPUT \ + GRUB_SERIAL_COMMAND \ + GRUB_DISABLE_UUID \ + GRUB_DISABLE_LINUX_UUID \ + GRUB_DISABLE_LINUX_PARTUUID \ + GRUB_DISABLE_RECOVERY \ + GRUB_VIDEO_BACKEND \ + GRUB_GFXMODE \ + GRUB_BACKGROUND \ + GRUB_THEME \ + GRUB_GFXPAYLOAD_LINUX \ + GRUB_INIT_TUNE \ + GRUB_SAVEDEFAULT \ + GRUB_ENABLE_CRYPTODISK \ + GRUB_BADRAM \ + GRUB_OS_PROBER_SKIP_LIST \ + GRUB_DISABLE_SUBMENU + +if test "x${grub_cfg}" != "x"; then + rm -f "${grub_cfg}.new" + oldumask=$(umask); umask 077 + exec > "${grub_cfg}.new" + umask $oldumask +fi +gettext "Generating grub configuration file ..." >&2 +echo >&2 + +cat << EOF +# +# DO NOT EDIT THIS FILE +# +# It is automatically generated by $self using templates +# from ${grub_mkconfig_dir} and settings from ${sysconfdir}/default/grub +# +EOF + + +for i in "${grub_mkconfig_dir}"/* ; do + case "$i" in + # emacsen backup files. FIXME: support other editors + *~) ;; + # emacsen autosave files. FIXME: support other editors + */\#*\#) ;; + *) + if grub_file_is_not_garbage "$i" && test -x "$i" ; then + echo + echo "### BEGIN $i ###" + "$i" + echo "### END $i ###" + fi + ;; + esac +done + +if test "x${grub_cfg}" != "x" ; then + if ! ${grub_script_check} ${grub_cfg}.new; then + # TRANSLATORS: %s is replaced by filename + gettext_printf "Syntax errors are detected in generated GRUB config file. +Ensure that there are no errors in /etc/default/grub +and /etc/grub.d/* files or please file a bug report with +%s file attached." "${grub_cfg}.new" >&2 + echo >&2 + exit 1 + else + # none of the children aborted with error, install the new grub.cfg + cat ${grub_cfg}.new > ${grub_cfg} + rm -f ${grub_cfg}.new + fi +fi + +gettext "done" >&2 +echo >&2 |