🗂️ simple
Path:
usr
/
sbin
/
✏️ Editing: grub2-mkconfig
#!/usr/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="/usr" exec_prefix="/usr" datarootdir="/usr/share" prefix="/usr" exec_prefix="/usr" sbindir="/usr/sbin" bindir="/usr/bin" sysconfdir="/etc" PACKAGE_NAME=GRUB PACKAGE_VERSION=2.06 host_os=linux-gnu datadir="/usr/share" if [ "x$pkgdatadir" = x ]; then pkgdatadir="${datadir}/grub" fi # export it for scripts export pkgdatadir grub_cfg="" grub_mkconfig_dir="${sysconfdir}"/grub.d self=`basename $0` grub_probe="${sbindir}/grub2-probe" grub_file="${bindir}/grub2-file" grub_editenv="${bindir}/grub2-editenv" grub_script_check="${bindir}/grub2-script-check" grub_get_kernel_settings="${sbindir}/grub2-get-kernel-settings" export TEXTDOMAIN=grub export TEXTDOMAINDIR="${datarootdir}/locale" export GRUB_GRUBENV_UPDATE="yes" export GRUB_UPDATE_BLS_CMDLINE="yes" . "${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)" "$(gettext "output generated config to FILE [default=stdout]")" print_option_help "--no-grubenv-update" "$(gettext "do not update variables in the grubenv file")" print_option_help "--update-bls-cmdline" "$(gettext "overwrite BLS cmdline args with default args")" print_option_help "-h, --help" "$(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 "$option" | sed 's/--output=//'` ;; --no-grubenv-update) GRUB_GRUBENV_UPDATE="no" ;; --update-bls-cmdline) bls_cmdline_update=true ;; -*) gettext_printf "Unrecognized option \`%s'\n" "$option" 1>&2 usage exit 1 ;; # Explicitly ignore non-option arguments, for compatibility. esac done os_name=$(grep ^ID= /etc/os-release | sed -e 's/^ID=//' -e 's/rhel/redhat/' -e 's/\"//g') if test -s "${grub_cfg}" && test "x${grub_cfg}" = "x/boot/efi/EFI/$os_name/grub.cfg"; then gettext_printf "Running \`grub2-mkconfig -o %s' will overwrite the GRUB wrapper.\n" "$grub_cfg" 1>&2 gettext_printf "Please run \`grub2-mkconfig -o /boot/grub2/grub.cfg' instead to update grub.cfg.\n" 1>&2 gettext_printf "GRUB configuration file was not updated.\n" 1>&2 exit 1 fi if [ "x$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 ${GRUB_DEVICE_BOOT} --target=fs_uuid 2> /dev/null`" || true # Filesystem for the device containing our userland. Used for stuff like # choosing Hurd filesystem module. GRUB_FS="`${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 . ${sysconfdir}/default/grub fi eval "$("${grub_get_kernel_settings}")" || true if [ "x${GRUB_ENABLE_BLSCFG}" = "xtrue" ] && \ [ "x${bls_cmdline_update}" != "xtrue" ]; then GRUB_UPDATE_BLS_CMDLINE="no" fi if [ "x${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_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_DISABLE_OS_PROBER \ GRUB_INIT_TUNE \ GRUB_SAVEDEFAULT \ GRUB_ENABLE_CRYPTODISK \ GRUB_BADRAM \ GRUB_OS_PROBER_SKIP_LIST \ GRUB_DISABLE_SUBMENU \ GRUB_DEFAULT_DTB \ SUSE_BTRFS_SNAPSHOT_BOOTING \ GRUB_ENABLE_BLSCFG 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 "$i" in # emacsen backup files. FIXME: support other editors *~) ;; # emacsen autosave files. FIXME: support other editors */\#*\#) ;; # rpm config files of yore. *.rpmsave|*.rpmnew|*.rpmorig) ;; *) if grub_file_is_not_garbage "$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 oldumask=$(umask); umask 177 cat ${grub_cfg}.new > ${grub_cfg} umask $oldumask rm -f ${grub_cfg}.new fi fi gettext "done" >&2 echo >&2
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