Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- #! /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/>.
- transform="s,x,x,"
- prefix="/usr"
- exec_prefix="${prefix}"
- datarootdir="${prefix}/share"
- prefix="/usr"
- exec_prefix="${prefix}"
- sbindir="${exec_prefix}/sbin"
- bindir="${exec_prefix}/bin"
- sysconfdir="/etc"
- PACKAGE_NAME=GRUB
- PACKAGE_VERSION=1.99-21ubuntu3.1
- host_os=linux-gnu
- datadir="${datarootdir}"
- pkgdatadir="${datadir}/`echo grub | sed "${transform}"`"
- grub_cfg=""
- grub_mkconfig_dir="${sysconfdir}"/grub.d
- self=`basename $0`
- grub_probe="${sbindir}/`echo grub-probe | sed "${transform}"`"
- grub_script_check="${bindir}/`echo grub-script-check | sed "${transform}"`"
- GRUB_PREFIX=`echo '/boot/grub' | sed "s,//*,/,g"`
- # Usage: usage
- # Print the usage.
- usage () {
- cat <<EOF
- Usage: $self [OPTION]
- Generate a grub config file
- -o, --output=FILE output generated config to FILE [default=stdout]
- -h, --help print this message and exit
- -v, --version print the version information and exit
- Report bugs to <bug-grub@gnu.org>.
- EOF
- }
- argument () {
- opt=$1
- shift
- if test $# -eq 0; then
- echo "$0: option requires an argument -- '$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 "$option" | sed 's/--output=//'`
- ;;
- -*)
- echo "Unrecognized option \`$option'" 1>&2
- usage
- exit 1
- ;;
- # Explicitly ignore non-option arguments, for compatibility.
- esac
- done
- . "${datadir}/grub/grub-mkconfig_lib"
- if [ "x$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 [ $root != t ] ; then
- echo "$self: You must run this as root" >&2
- exit 1
- fi
- fi
- set $grub_probe dummy
- if test -f "$1"; then
- :
- else
- echo "$1: Not found." 1>&2
- exit 1
- fi
- mkdir -p ${GRUB_PREFIX}
- # Device containing our userland. Typically used for root= parameter.
- GRUB_DEVICE="`${grub_probe} --target=device /`"
- GRUB_DEVICE_UUID="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true
- # Device containing our /boot partition. Usually the same as GRUB_DEVICE.
- GRUB_DEVICE_BOOT="`${grub_probe} --target=device /boot`"
- GRUB_DEVICE_BOOT_UUID="`${grub_probe} --device ${GRUB_DEVICE_BOOT} --target=fs_uuid 2> /dev/null`" || true
- # Filesystem for the device containing our userland. Used for stuff like
- # choosing Hurd filesystem module.
- GRUB_FS="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2> /dev/null || echo unknown`"
- if 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 ${GRUB_TERMINAL_OUTPUT}; do
- if [ "x${x}" = "xgfxterm" ]; then
- if [ -n "$GRUB_FONT" ] ; then
- if is_path_readable_by_grub ${GRUB_FONT} > /dev/null ; then
- GRUB_FONT_PATH=${GRUB_FONT}
- else
- echo "No such font or not readable by grub: ${GRUB_FONT}" >&2
- exit 1
- fi
- else
- for dir in ${pkgdatadir} ${GRUB_PREFIX} /usr/share/grub ; do
- for basename in unicode unifont ascii; do
- path="${dir}/${basename}.pf2"
- if is_path_readable_by_grub ${path} > /dev/null ; then
- GRUB_FONT_PATH=${path}
- else
- continue
- fi
- if [ "${basename}" = "ascii" ] ; then
- # make sure all our children behave in conformance with ascii..
- export LANG=C
- fi
- break 2
- done
- done
- fi
- if [ -z "${GRUB_FONT_PATH}" ] ; then
- if [ "x$termoutdefault" != "x1" ]; then
- echo "No font for gfxterm found." >&2 ; exit 1
- fi
- GRUB_TERMINAL_OUTPUT=
- fi
- fi
- done
- for x in ${GRUB_TERMINAL_OUTPUT}; do
- case "x${x}" in
- xgfxterm) ;;
- xconsole | xserial | xofconsole)
- # make sure all our children behave in conformance with ascii..
- export LANG=C;;
- *) echo "Invalid output terminal \"${GRUB_TERMINAL_OUTPUT}\"" >&2 ; exit 1 ;;
- esac
- done
- # These are defined in this script, export them here so that user can
- # override them.
- export GRUB_DEVICE \
- GRUB_DEVICE_UUID \
- GRUB_DEVICE_BOOT \
- GRUB_DEVICE_BOOT_UUID \
- GRUB_FS \
- GRUB_FONT_PATH \
- GRUB_PRELOAD_MODULES \
- GRUB_PREFIX
- # These are optional, user-defined variables.
- export GRUB_DEFAULT \
- GRUB_HIDDEN_TIMEOUT \
- GRUB_HIDDEN_TIMEOUT_QUIET \
- GRUB_TIMEOUT \
- GRUB_DEFAULT_BUTTON \
- GRUB_HIDDEN_TIMEOUT_BUTTON \
- GRUB_TIMEOUT_BUTTON \
- GRUB_BUTTON_CMOS_ADDRESS \
- GRUB_BUTTON_CMOS_CLEAN \
- GRUB_DISTRIBUTOR \
- GRUB_CMDLINE_LINUX \
- GRUB_CMDLINE_LINUX_DEFAULT \
- GRUB_CMDLINE_XEN \
- GRUB_CMDLINE_XEN_DEFAULT \
- GRUB_CMDLINE_LINUX_XEN_REPLACE \
- GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT \
- GRUB_CMDLINE_NETBSD \
- GRUB_CMDLINE_NETBSD_DEFAULT \
- GRUB_CMDLINE_GNUMACH \
- GRUB_TERMINAL_INPUT \
- GRUB_TERMINAL_OUTPUT \
- GRUB_SERIAL_COMMAND \
- GRUB_DISABLE_LINUX_UUID \
- GRUB_DISABLE_RECOVERY \
- GRUB_VIDEO_BACKEND \
- GRUB_GFXMODE \
- GRUB_BACKGROUND \
- GRUB_THEME \
- GRUB_GFXPAYLOAD_LINUX \
- GRUB_DISABLE_OS_PROBER \
- GRUB_INIT_TUNE \
- GRUB_SAVEDEFAULT \
- GRUB_BADRAM
- if test "x${grub_cfg}" != "x"; then
- rm -f ${grub_cfg}.new
- exec > ${grub_cfg}.new
- # Allow this to fail, since /boot/grub/ might need to be fatfs to support some
- # firmware implementations (e.g. OFW or EFI).
- chmod 400 ${grub_cfg}.new || grub_warn "Could not make ${grub_cfg}.new readable by only root.\
- This means that if the generated config contains a password it is readable by everyone"
- fi
- echo "Generating grub.cfg ..." >&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 $i ###"
- fi
- ;;
- esac
- done
- if [ "x${grub_cfg}" != "x" ] && ! grep "^password " ${grub_cfg}.new >/dev/null; then
- chmod 444 ${grub_cfg}.new || true
- fi
- if test "x${grub_cfg}" != "x" ; then
- if ! ${grub_script_check} ${grub_cfg}.new; then
- echo "Syntax errors are detected in generated GRUB config file." >&2
- echo "Ensure that there are no errors in /etc/default/grub" >&2
- echo "and /etc/grub.d/* files or please file a bug report with" >&2
- echo "${grub_cfg}.new file attached." >&2
- else
- # none of the children aborted with error, install the new grub.cfg
- mv -f ${grub_cfg}.new ${grub_cfg}
- fi
- fi
- echo "done" >&2
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement