486 lines
16 KiB
Diff
486 lines
16 KiB
Diff
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Wed, 3 Oct 2018 20:48:32 +0200
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Subject: [PATCH] add 10_linux_bls grub.d snippet to generate menu entries from
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BLS files
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This grub.d snippet can be used on platforms where the bootloader doesn't
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have BLS support and only can parse a normal grub configuration file.
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Portions of this script were taken from the ostree-grub-generator script
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included in the OSTree project.
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Resolves: rhbz#1636013
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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Makefile.util.def | 7 +
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util/grub.d/10_linux_bls.in | 440 ++++++++++++++++++++++++++++++++++++++++++++
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2 files changed, 447 insertions(+)
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create mode 100644 util/grub.d/10_linux_bls.in
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diff --git a/Makefile.util.def b/Makefile.util.def
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index c8cb91308d9..eca3dfa753f 100644
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--- a/Makefile.util.def
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+++ b/Makefile.util.def
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@@ -508,6 +508,13 @@ script = {
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condition = COND_HOST_LINUX;
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};
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+script = {
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+ name = '10_linux_bls';
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+ common = util/grub.d/10_linux_bls.in;
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+ installdir = grubconf;
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+ condition = COND_HOST_LINUX;
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+};
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+
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script = {
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name = '10_xnu';
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common = util/grub.d/10_xnu.in;
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diff --git a/util/grub.d/10_linux_bls.in b/util/grub.d/10_linux_bls.in
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new file mode 100644
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index 00000000000..3cc7803c6a1
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--- /dev/null
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+++ b/util/grub.d/10_linux_bls.in
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@@ -0,0 +1,440 @@
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+#! /bin/sh
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+set -e
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+
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+# grub-mkconfig helper script.
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+# Copyright (C) 2006,2007,2008,2009,2010 Free Software Foundation, Inc.
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+#
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+# GRUB is free software: you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation, either version 3 of the License, or
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+# (at your option) any later version.
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+#
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+# GRUB is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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+
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+prefix="@prefix@"
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+exec_prefix="@exec_prefix@"
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+datarootdir="@datarootdir@"
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+
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+. "$pkgdatadir/grub-mkconfig_lib"
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+
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+export TEXTDOMAIN=@PACKAGE@
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+export TEXTDOMAINDIR="@localedir@"
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+
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+CLASS="--class gnu-linux --class gnu --class os --unrestricted"
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+
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+if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
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+ OS="$(eval $(grep PRETTY_NAME /etc/os-release) ; echo ${PRETTY_NAME})"
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+ CLASS="--class $(eval $(grep '^ID_LIKE=\|^ID=' /etc/os-release) ; [ -n "${ID_LIKE}" ] && echo ${ID_LIKE} || echo ${ID}) ${CLASS}"
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+else
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+ OS="${GRUB_DISTRIBUTOR}"
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+ CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}"
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+fi
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+
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+# loop-AES arranges things so that /dev/loop/X can be our root device, but
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+# the initrds that Linux uses don't like that.
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+case ${GRUB_DEVICE} in
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+ /dev/loop/*|/dev/loop[0-9])
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+ GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/"`
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+ ;;
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+esac
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+
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+# Default to disabling partition uuid support to maintian compatibility with
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+# older kernels.
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+GRUB_DISABLE_LINUX_PARTUUID=${GRUB_DISABLE_LINUX_PARTUUID-true}
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+
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+# btrfs may reside on multiple devices. We cannot pass them as value of root= parameter
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+# and mounting btrfs requires user space scanning, so force UUID in this case.
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+if ( [ "x${GRUB_DEVICE_UUID}" = "x" ] && [ "x${GRUB_DEVICE_PARTUUID}" = "x" ] ) \
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+ || ( [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
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+ && [ "x${GRUB_DISABLE_LINUX_PARTUUID}" = "xtrue" ] ) \
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+ || ( ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \
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+ && ! test -e "/dev/disk/by-partuuid/${GRUB_DEVICE_PARTUUID}" ) \
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+ || ( test -e "${GRUB_DEVICE}" && uses_abstraction "${GRUB_DEVICE}" lvm ); then
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+ LINUX_ROOT_DEVICE=${GRUB_DEVICE}
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+elif [ "x${GRUB_DEVICE_UUID}" = "x" ] \
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+ || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ]; then
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+ LINUX_ROOT_DEVICE=PARTUUID=${GRUB_DEVICE_PARTUUID}
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+else
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+ LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
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+fi
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+
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+case x"$GRUB_FS" in
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+ xbtrfs)
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+ if [ "x${SUSE_BTRFS_SNAPSHOT_BOOTING}" = "xtrue" ]; then
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+ GRUB_CMDLINE_LINUX="${GRUB_CMDLINE_LINUX} \${extra_cmdline}"
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+ else
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+ rootsubvol="`make_system_path_relative_to_its_root /`"
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+ rootsubvol="${rootsubvol#/}"
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+ if [ "x${rootsubvol}" != x ]; then
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+ GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}"
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+ fi
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+ fi;;
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+ xzfs)
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+ rpool=`${grub_probe} --device ${GRUB_DEVICE} --target=fs_label 2>/dev/null || true`
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+ bootfs="`make_system_path_relative_to_its_root / | sed -e "s,@$,,"`"
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+ LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs}"
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+ ;;
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+esac
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+
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+mktitle ()
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+{
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+ local title_type
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+ local version
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+ local OS_NAME
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+ local OS_VERS
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+
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+ title_type=$1 && shift
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+ version=$1 && shift
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+
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+ OS_NAME="$(eval $(grep ^NAME= /etc/os-release) ; echo ${NAME})"
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+ OS_VERS="$(eval $(grep ^VERSION= /etc/os-release) ; echo ${VERSION})"
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+
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+ case $title_type in
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+ recovery)
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+ title=$(printf '%s (%s) %s (recovery mode)' \
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+ "${OS_NAME}" "${version}" "${OS_VERS}")
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+ ;;
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+ *)
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+ title=$(printf '%s (%s) %s' \
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+ "${OS_NAME}" "${version}" "${OS_VERS}")
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+ ;;
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+ esac
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+ echo -n ${title}
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+}
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+
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+title_correction_code=
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+
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+populate_header_warn()
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+{
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+cat <<EOF
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+
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+# This section was generated by a script. Do not modify the generated file - all changes
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+# will be lost the next time file is regenerated. Instead edit the BootLoaderSpec files.
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+
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+EOF
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+}
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+
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+read_config()
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+{
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+ config_file=${1}
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+ title=""
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+ initrd=""
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+ options=""
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+ linux=""
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+
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+ while read -r line
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+ do
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+ record=$(echo ${line} | cut -f 1 -d ' ')
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+ value=$(echo ${line} | cut -s -f2- -d ' ')
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+ case "${record}" in
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+ "title")
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+ title=${value}
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+ ;;
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+ "initrd")
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+ initrd=${value}
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+ ;;
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+ "linux")
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+ linux=${value}
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+ ;;
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+ "options")
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+ options=${value}
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+ ;;
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+ esac
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+ done < ${config_file}
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+}
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+
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+populate_menu()
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+{
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+ entries_path="/boot/loader/entries"
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+ gettext_printf "Generating boot entries from BLS files...\n" >&2
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+ for config in $(ls -v -r $entries_path/*.conf); do
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+ read_config ${config}
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+ menu="${menu}menuentry '${title}' {\n"
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+ menu="${menu}\t linux ${linux} ${options}\n"
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+ if [ -n "${initrd}" ] ; then
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+ menu="${menu}\t initrd ${boot_prefix}${initrd}\n"
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+ fi
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+ menu="${menu}}\n\n"
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+ done
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+ # The printf command seems to be more reliable across shells for special character (\n, \t) evaluation
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+ printf "$menu"
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+}
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+
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+linux_entry ()
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+{
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+ os="$1"
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+ version="$2"
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+ type="$3"
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+ isdebug="$4"
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+ args="$5"
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+
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+ if [ -z "$boot_device_id" ]; then
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+ boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
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+ fi
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+
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+ if [ "x${GRUB_ENABLE_BLSCFG}" = "xtrue" ]; then
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+ if [ x$dirname = x/ ]; then
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+ if [ -z "${prepare_root_cache}" ]; then
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+ prepare_grub_to_access_device ${GRUB_DEVICE}
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+ fi
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+ else
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+ if [ -z "${prepare_boot_cache}" ]; then
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+ prepare_grub_to_access_device ${GRUB_DEVICE_BOOT}
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+ fi
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+ fi
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+
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+ if [ -d /sys/firmware/efi ]; then
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+ bootefi_device="`${grub_probe} --target=device /boot/efi/`"
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+ prepare_grub_to_access_device ${bootefi_device} boot
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+ else
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+ boot_device="`${grub_probe} --target=device /boot/`"
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+ prepare_grub_to_access_device ${boot_device} boot
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+ fi
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+
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+ populate_header_warn
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+ populate_menu
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+
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+ ${grub_editenv} - set saved_entry=0
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+ ${grub_editenv} - set kernelopts="root=${linux_root_device_thisversion} ro ${args}"
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+
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+ exit 0
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+ fi
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+
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+ if [ x$type != xsimple ] ; then
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+ title=$(mktitle "$type" "$version")
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+ if [ x"$title" = x"$GRUB_ACTUAL_DEFAULT" ] || [ x"Previous Linux versions>$title" = x"$GRUB_ACTUAL_DEFAULT" ]; then
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+ replacement_title="$(echo "Advanced options for ${OS}" | sed 's,>,>>,g')>$(echo "$title" | sed 's,>,>>,g')"
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+ quoted="$(echo "$GRUB_ACTUAL_DEFAULT" | grub_quote)"
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+ title_correction_code="${title_correction_code}if [ \"x\$default\" = '$quoted' ]; then default='$(echo "$replacement_title" | grub_quote)'; fi;"
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+ fi
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+ if [ x$isdebug = xdebug ]; then
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+ title="$title${GRUB_LINUX_DEBUG_TITLE_POSTFIX}"
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+ fi
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+ echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'gnulinux-$version-$type-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
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+ else
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+ echo "menuentry '$(echo "$os" | grub_quote)' ${CLASS} \$menuentry_id_option 'gnulinux-simple-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
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+ fi
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+ if [ x$type != xrecovery ] ; then
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+ save_default_entry | grub_add_tab
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+ fi
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+
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+ # Use ELILO's generic "efifb" when it's known to be available.
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+ # FIXME: We need an interface to select vesafb in case efifb can't be used.
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+ if [ "x$GRUB_GFXPAYLOAD_LINUX" = x ]; then
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+ echo " load_video" | sed "s/^/$submenu_indentation/"
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+ if grep -qx "CONFIG_FB_EFI=y" "${config}" 2> /dev/null \
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+ && grep -qx "CONFIG_VT_HW_CONSOLE_BINDING=y" "${config}" 2> /dev/null; then
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+ echo " set gfxpayload=keep" | sed "s/^/$submenu_indentation/"
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+ fi
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+ else
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+ if [ "x$GRUB_GFXPAYLOAD_LINUX" != xtext ]; then
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+ echo " load_video" | sed "s/^/$submenu_indentation/"
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+ fi
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+ echo " set gfxpayload=$GRUB_GFXPAYLOAD_LINUX" | sed "s/^/$submenu_indentation/"
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+ fi
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+
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+ echo " insmod gzio" | sed "s/^/$submenu_indentation/"
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+
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+ if [ x$dirname = x/ ]; then
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+ if [ -z "${prepare_root_cache}" ]; then
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+ prepare_root_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE} | grub_add_tab)"
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+ fi
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+ printf '%s\n' "${prepare_root_cache}" | sed "s/^/$submenu_indentation/"
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+ else
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+ if [ -z "${prepare_boot_cache}" ]; then
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+ prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | grub_add_tab)"
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+ fi
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+ printf '%s\n' "${prepare_boot_cache}" | sed "s/^/$submenu_indentation/"
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+ fi
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+ sed "s/^/$submenu_indentation/" << EOF
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+ linux ${rel_dirname}/${basename} root=${linux_root_device_thisversion} ro ${args}
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+EOF
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+ if test -n "${initrd}" ; then
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+ initrd_path=
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+ for i in ${initrd}; do
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+ initrd_path="${initrd_path} ${rel_dirname}/${i}"
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+ done
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+ sed "s/^/$submenu_indentation/" << EOF
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+ initrd $(echo $initrd_path)
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+EOF
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+ fi
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+ if test -n "${fdt}" ; then
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+ sed "s/^/$submenu_indentation/" << EOF
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+ devicetree ${rel_dirname}/${fdt}
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+EOF
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+ fi
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+ sed "s/^/$submenu_indentation/" << EOF
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+}
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+EOF
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+}
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+
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+machine=`uname -m`
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+case "x$machine" in
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+ xi?86 | xx86_64)
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+ list=
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+ for i in /boot/vmlinuz-* /vmlinuz-* /boot/kernel-* ; do
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+ if grub_file_is_not_garbage "$i" ; then list="$list $i" ; fi
|
||
|
|
+ done ;;
|
||
|
|
+ *)
|
||
|
|
+ list=
|
||
|
|
+ for i in /boot/vmlinuz-* /boot/vmlinux-* /vmlinuz-* /vmlinux-* /boot/kernel-* ; do
|
||
|
|
+ if grub_file_is_not_garbage "$i" ; then list="$list $i" ; fi
|
||
|
|
+ done ;;
|
||
|
|
+esac
|
||
|
|
+
|
||
|
|
+if [ "x${GRUB_ENABLE_BLSCFG}" = "xtrue" ]; then
|
||
|
|
+ for i in /boot/ostree/*/vmlinuz-* ; do
|
||
|
|
+ if grub_file_is_not_garbage "$i" ; then list="$list $i" ; fi
|
||
|
|
+ done
|
||
|
|
+fi
|
||
|
|
+
|
||
|
|
+case "$machine" in
|
||
|
|
+ i?86) GENKERNEL_ARCH="x86" ;;
|
||
|
|
+ mips|mips64) GENKERNEL_ARCH="mips" ;;
|
||
|
|
+ mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;;
|
||
|
|
+ arm*) GENKERNEL_ARCH="arm" ;;
|
||
|
|
+ *) GENKERNEL_ARCH="$machine" ;;
|
||
|
|
+esac
|
||
|
|
+
|
||
|
|
+prepare_boot_cache=
|
||
|
|
+prepare_root_cache=
|
||
|
|
+boot_device_id=
|
||
|
|
+title_correction_code=
|
||
|
|
+
|
||
|
|
+# Extra indentation to add to menu entries in a submenu. We're not in a submenu
|
||
|
|
+# yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
|
||
|
|
+submenu_indentation=""
|
||
|
|
+
|
||
|
|
+is_top_level=true
|
||
|
|
+while [ "x$list" != "x" ] ; do
|
||
|
|
+ linux=`version_find_latest $list`
|
||
|
|
+ if [ "x${GRUB_ENABLE_BLSCFG}" != "xtrue" ]; then
|
||
|
|
+ gettext_printf "Found linux image: %s\n" "$linux" >&2
|
||
|
|
+ fi
|
||
|
|
+
|
||
|
|
+ basename=`basename $linux`
|
||
|
|
+ dirname=`dirname $linux`
|
||
|
|
+ rel_dirname=`make_system_path_relative_to_its_root $dirname`
|
||
|
|
+ version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
|
||
|
|
+ alt_version=`echo $version | sed -e "s,\.old$,,g"`
|
||
|
|
+ linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"
|
||
|
|
+
|
||
|
|
+ initrd_early=
|
||
|
|
+ for i in ${GRUB_EARLY_INITRD_LINUX_STOCK} \
|
||
|
|
+ ${GRUB_EARLY_INITRD_LINUX_CUSTOM}; do
|
||
|
|
+ if test -e "${dirname}/${i}" ; then
|
||
|
|
+ initrd_early="${initrd_early} ${i}"
|
||
|
|
+ fi
|
||
|
|
+ done
|
||
|
|
+
|
||
|
|
+ initrd_real=
|
||
|
|
+ for i in "initrd.img-${version}" "initrd-${version}.img" "initrd-${version}.gz" \
|
||
|
|
+ "initrd-${version}" "initramfs-${version}.img" \
|
||
|
|
+ "initrd.img-${alt_version}" "initrd-${alt_version}.img" \
|
||
|
|
+ "initrd-${alt_version}" "initramfs-${alt_version}.img" \
|
||
|
|
+ "initramfs-genkernel-${version}" \
|
||
|
|
+ "initramfs-genkernel-${alt_version}" \
|
||
|
|
+ "initramfs-genkernel-${GENKERNEL_ARCH}-${version}" \
|
||
|
|
+ "initramfs-genkernel-${GENKERNEL_ARCH}-${alt_version}"; do
|
||
|
|
+ if test -e "${dirname}/${i}" ; then
|
||
|
|
+ initrd_real="${i}"
|
||
|
|
+ break
|
||
|
|
+ fi
|
||
|
|
+ done
|
||
|
|
+
|
||
|
|
+ initrd=
|
||
|
|
+ if test -n "${initrd_early}" || test -n "${initrd_real}"; then
|
||
|
|
+ initrd="${initrd_early} ${initrd_real}"
|
||
|
|
+
|
||
|
|
+ initrd_display=
|
||
|
|
+ for i in ${initrd}; do
|
||
|
|
+ initrd_display="${initrd_display} ${dirname}/${i}"
|
||
|
|
+ done
|
||
|
|
+ if [ "x${GRUB_ENABLE_BLSCFG}" != "xtrue" ]; then
|
||
|
|
+ gettext_printf "Found initrd image: %s\n" "$(echo $initrd_display)" >&2
|
||
|
|
+ fi
|
||
|
|
+ fi
|
||
|
|
+
|
||
|
|
+ fdt=
|
||
|
|
+ for i in "dtb-${version}" "dtb-${alt_version}"; do
|
||
|
|
+ if test -f "${dirname}/${i}/${GRUB_DEFAULT_DTB}" ; then
|
||
|
|
+ fdt="${i}/${GRUB_DEFAULT_DTB}"
|
||
|
|
+ break
|
||
|
|
+ fi
|
||
|
|
+ done
|
||
|
|
+
|
||
|
|
+ config=
|
||
|
|
+ for i in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do
|
||
|
|
+ if test -e "${i}" ; then
|
||
|
|
+ config="${i}"
|
||
|
|
+ break
|
||
|
|
+ fi
|
||
|
|
+ done
|
||
|
|
+
|
||
|
|
+ initramfs=
|
||
|
|
+ if test -n "${config}" ; then
|
||
|
|
+ initramfs=`grep CONFIG_INITRAMFS_SOURCE= "${config}" | cut -f2 -d= | tr -d \"`
|
||
|
|
+ fi
|
||
|
|
+
|
||
|
|
+ if test -z "${initramfs}" && test -z "${initrd_real}" ; then
|
||
|
|
+ # "UUID=" and "ZFS=" magic is parsed by initrd or initramfs. Since there's
|
||
|
|
+ # no initrd or builtin initramfs, it can't work here.
|
||
|
|
+ if [ "x${GRUB_DEVICE_PARTUUID}" = "x" ] \
|
||
|
|
+ || [ "x${GRUB_DISABLE_LINUX_PARTUUID}" = "xtrue" ]; then
|
||
|
|
+
|
||
|
|
+ linux_root_device_thisversion=${GRUB_DEVICE}
|
||
|
|
+ else
|
||
|
|
+ linux_root_device_thisversion=PARTUUID=${GRUB_DEVICE_PARTUUID}
|
||
|
|
+ fi
|
||
|
|
+ fi
|
||
|
|
+
|
||
|
|
+ if [ "x${GRUB_DISABLE_SUBMENU}" = "xyes" ] || [ "x${GRUB_DISABLE_SUBMENU}" = "xy" ]; then
|
||
|
|
+ GRUB_DISABLE_SUBMENU="true"
|
||
|
|
+ fi
|
||
|
|
+
|
||
|
|
+ if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xtrue ]; then
|
||
|
|
+ linux_entry "${OS}" "${version}" simple standard \
|
||
|
|
+ "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
|
||
|
|
+ if [ "x$GRUB_LINUX_MAKE_DEBUG" = "xtrue" ]; then
|
||
|
|
+ linux_entry "${OS}" "${version}" simple debug \
|
||
|
|
+ "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT} ${GRUB_CMDLINE_LINUX_DEBUG}"
|
||
|
|
+ fi
|
||
|
|
+
|
||
|
|
+ submenu_indentation="$grub_tab"
|
||
|
|
+
|
||
|
|
+ if [ -z "$boot_device_id" ]; then
|
||
|
|
+ boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
|
||
|
|
+ fi
|
||
|
|
+ # TRANSLATORS: %s is replaced with an OS name
|
||
|
|
+ echo "submenu '$(gettext_printf "Advanced options for %s" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {"
|
||
|
|
+ is_top_level=false
|
||
|
|
+ fi
|
||
|
|
+
|
||
|
|
+ linux_entry "${OS}" "${version}" advanced standard \
|
||
|
|
+ "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
|
||
|
|
+ if [ "x$GRUB_LINUX_MAKE_DEBUG" = "xtrue" ]; then
|
||
|
|
+ linux_entry "${OS}" "${version}" advanced debug \
|
||
|
|
+ "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT} ${GRUB_CMDLINE_LINUX_DEBUG}"
|
||
|
|
+ fi
|
||
|
|
+
|
||
|
|
+ if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then
|
||
|
|
+ linux_entry "${OS}" "${version}" recovery standard \
|
||
|
|
+ "single ${GRUB_CMDLINE_LINUX}"
|
||
|
|
+ fi
|
||
|
|
+
|
||
|
|
+ list=`echo $list | tr ' ' '\n' | fgrep -vx "$linux" | tr '\n' ' '`
|
||
|
|
+done
|
||
|
|
+
|
||
|
|
+# If at least one kernel was found, then we need to
|
||
|
|
+# add a closing '}' for the submenu command.
|
||
|
|
+if [ x"$is_top_level" != xtrue ]; then
|
||
|
|
+ echo '}'
|
||
|
|
+fi
|
||
|
|
+
|
||
|
|
+echo "$title_correction_code"
|