grub/util/grub-mkconfig.in

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#! /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
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)" "$(gettext "output generated config to FILE [default=stdout]")"
print_option_help "-r, --root-directory=$(gettext DIR)" "$(gettext "use DIR as root directory [default=/]")"
print_option_help "-h, --help" "$(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
}
GRUB_ROOT=
# 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=//'`
;;
-r | --root-directory)
GRUB_ROOT=`argument $option "$@"`; shift;;
--root-directory=*)
GRUB_ROOT=`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_print "%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 "$GRUB_ROOT"/`"
GRUB_DEVICE_UUID="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true
# Device containing our /boot partition. Usually the same as GRUB_DEVICE.
GRUB_DEVICE_BOOT="`${grub_probe} --target=device "$GRUB_ROOT"/boot`"
GRUB_DEVICE_BOOT_UUID="`${grub_probe} --device ${GRUB_DEVICE_BOOT} --target=fs_uuid 2> /dev/null`" || true
# Filesystem for the device containing our userland. Used for stuff like
# choosing Hurd filesystem module.
GRUB_FS="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2> /dev/null || echo unknown`"
if [ x"$GRUB_FS" = x ] || [ x"$GRUB_FS" = xunknown ]; then
GRUB_FS="$(stat -f --printf=%T "$GRUB_ROOT"/ || echo unknown)"
fi
if test -f ${sysconfdir}/default/grub ; then
. ${sysconfdir}/default/grub
fi
# XXX: should this be deprecated at some point?
if [ "x${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_ROOT \
GRUB_DEVICE_UUID \
GRUB_DEVICE_BOOT \
GRUB_DEVICE_BOOT_UUID \
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_TERMINAL_INPUT \
GRUB_TERMINAL_OUTPUT \
GRUB_SERIAL_COMMAND \
GRUB_DISABLE_LINUX_UUID \
GRUB_DISABLE_RECOVERY \
GRUB_VIDEO_BACKEND \
GRUB_GFXMODE \
GRUB_BACKGROUND \
GRUB_THEME \
GRUB_GFXPAYLOAD_LINUX \
GRUB_DISABLE_OS_PROBER \
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 "$i" in
"${grub_mkconfig_dir}"/00_header \
| "${grub_mkconfig_dir}"/30_os-prober \
| "${grub_mkconfig_dir}"/40_custom \
| "${grub_mkconfig_dir}"/41_custom)
echo
echo "### BEGIN $i ###"
"$i"
echo "### END $i ###"
;;
# emacsen backup files. FIXME: support other editors
*~) ;;
# emacsen autosave files. FIXME: support other editors
*/\#*\#) ;;
*)
if grub_file_is_not_garbage "$i" && test -x "$i" ; then
for platform in x86 i386-xen-pae x86_64-xen mips mipsel sparc64 powerpc ia64 arm; do
GRUB_PLATFORM=$platform
export GRUB_PLATFORM
buf="$($i)"
if [ x"$buf" != x ]; then
echo
echo "### BEGIN $i ($platform) ###"
case x$platform in
xx86)
echo "if [ x\"\$grub_platform\" != xxen \\( x\"\$grub_cpu\" = xi386 -o x\"\$grub_cpu\" = xx86_64 -o x\"\$grub_platform\" = x \\) ]; then" ;;
xi386-xen-pae)
echo "if [ x\"\$grub_cpu-\$grub_platform\" = xi386-xen -o x\"\$grub_cpu-\$grub_platform\" = x ]; then" ;;
xx86_64-xen)
echo "if [ x\"\$grub_cpu-\$grub_platform\" = xx86_64-xen -o x\"\$grub_cpu-\$grub_platform\" = x ]; then" ;;
*)
echo "if [ x\"\$grub_cpu\" = x$platform -o x\"\$grub_platform\" = x ]; then" ;;
esac
echo "$buf"
echo "fi"
echo "### END $i ($platform) ###"
fi
done
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
else
# none of the children aborted with error, install the new grub.cfg
mv -f ${grub_cfg}.new ${grub_cfg}
fi
fi
gettext "done" >&2
echo >&2