396 lines
12 KiB
Diff
396 lines
12 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Thu, 15 Mar 2018 14:12:40 -0400
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Subject: [PATCH] Add grub2-switch-to-blscfg
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Signed-off-by: Peter Jones <pjones@redhat.com>
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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[jhlavac: Use ${etcdefaultgrub} instead of /etc/default/grub]
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Signed-off-by: Jan Hlavac <jhlavac@redhat.com>
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[rharwood: skip on ostree installations, migrate man to h2m]
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Signed-off-by: Robbie Harwood <rharwood@redhat.com>
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---
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Makefile.util.def | 7 +
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docs/man/grub-switch-to-blscfg.h2m | 2 +
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util/grub-set-password.in | 2 +-
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util/grub-switch-to-blscfg.in | 317 +++++++++++++++++++++++++++++++++++++
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util/grub.d/10_linux.in | 2 +-
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5 files changed, 328 insertions(+), 2 deletions(-)
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create mode 100644 docs/man/grub-switch-to-blscfg.h2m
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create mode 100644 util/grub-switch-to-blscfg.in
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diff --git a/Makefile.util.def b/Makefile.util.def
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index 18a9242776..88f55e35c4 100644
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--- a/Makefile.util.def
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+++ b/Makefile.util.def
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@@ -1348,6 +1348,13 @@ program = {
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ldadd = '$(LIBINTL) $(LIBDEVMAPPER) $(LIBZFS) $(LIBNVPAIR) $(LIBGEOM)';
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};
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+script = {
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+ name = grub-switch-to-blscfg;
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+ common = util/grub-switch-to-blscfg.in;
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+ mansection = 8;
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+ installdir = sbin;
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+};
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+
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program = {
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name = grub-glue-efi;
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mansection = 1;
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diff --git a/docs/man/grub-switch-to-blscfg.h2m b/docs/man/grub-switch-to-blscfg.h2m
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new file mode 100644
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index 0000000000..fa341426a5
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--- /dev/null
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+++ b/docs/man/grub-switch-to-blscfg.h2m
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@@ -0,0 +1,2 @@
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+[NAME]
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+grub-switch-to-blscfg \- switch to using BLS config files
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diff --git a/util/grub-set-password.in b/util/grub-set-password.in
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index 5ebf50576d..c0b5ebbfdc 100644
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--- a/util/grub-set-password.in
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+++ b/util/grub-set-password.in
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@@ -1,6 +1,6 @@
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#!/bin/sh -e
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-EFIDIR=$(grep ^ID= /etc/os-release | sed -e 's/^ID=//' -e 's/rhel/redhat/')
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+EFIDIR=$(grep ^ID= /etc/os-release | sed -e 's/^ID=//' -e 's/rhel/redhat/' -e 's/\"//g')
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if [ -d /sys/firmware/efi/efivars/ ]; then
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grubdir=`echo "/@bootdirname@/efi/EFI/${EFIDIR}/" | sed 's,//*,/,g'`
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else
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diff --git a/util/grub-switch-to-blscfg.in b/util/grub-switch-to-blscfg.in
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new file mode 100644
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index 0000000000..a851424beb
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--- /dev/null
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+++ b/util/grub-switch-to-blscfg.in
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@@ -0,0 +1,317 @@
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+#! /bin/sh
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+#
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+# Set a default boot entry for GRUB.
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+# Copyright (C) 2004,2009 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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+#set -eu
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+
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+# Initialize some variables.
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+prefix=@prefix@
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+exec_prefix=@exec_prefix@
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+sbindir=@sbindir@
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+bindir=@bindir@
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+sysconfdir="@sysconfdir@"
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+PACKAGE_NAME=@PACKAGE_NAME@
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+PACKAGE_VERSION=@PACKAGE_VERSION@
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+datarootdir="@datarootdir@"
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+datadir="@datadir@"
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+if [ ! -v pkgdatadir ]; then
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+ pkgdatadir="${datadir}/@PACKAGE@"
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+fi
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+
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+self=`basename $0`
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+
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+grub_get_kernel_settings="${sbindir}/@grub_get_kernel_settings@"
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+grub_editenv=${bindir}/@grub_editenv@
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+etcdefaultgrub=/etc/default/grub
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+
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+eval "$("${grub_get_kernel_settings}")" || true
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+
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+EFIDIR=$(grep ^ID= /etc/os-release | sed -e 's/^ID=//' -e 's/rhel/redhat/' -e 's/\"//g')
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+if [ -d /sys/firmware/efi/efivars/ ]; then
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+ startlink=/etc/grub2-efi.cfg
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+ grubdir=`echo "/@bootdirname@/efi/EFI/${EFIDIR}/" | sed 's,//*,/,g'`
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+else
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+ startlink=/etc/grub2.cfg
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+ grubdir=`echo "/@bootdirname@/@grubdirname@" | sed 's,//*,/,g'`
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+fi
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+
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+blsdir=`echo "/@bootdirname@/loader/entries" | sed 's,//*,/,g'`
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+
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+backupsuffix=.bak
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+
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+arch="$(uname -m)"
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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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+. "${pkgdatadir}/grub-mkconfig_lib"
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+
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+# Usage: usage
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+# Print the usage.
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+usage () {
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+ gettext_printf "Usage: %s\n" "$self"
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+ gettext "Switch to BLS config files.\n"; echo
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+ echo
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+ print_option_help "-h, --help" "$(gettext "print this message and exit")"
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+ print_option_help "-V, --version" "$(gettext "print the version information and exit")"
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+ echo
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+ print_option_help "--backup-suffix=$(gettext "SUFFIX")" "$backupsuffix"
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+ print_option_help "--bls-directory=$(gettext "DIR")" "$blsdir"
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+ print_option_help "--config-file=$(gettext "FILE")" "$startlink"
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+ print_option_help "--grub-defaults=$(gettext "FILE")" "$etcdefaultgrub"
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+ print_option_help "--grub-directory=$(gettext "DIR")" "$grubdir"
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+ # echo
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+ # gettext "Report bugs to <bug-grub@gnu.org>."; echo
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+}
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+
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+argument () {
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+ opt=$1
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+ shift
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+
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+ if test $# -eq 0; then
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+ gettext_printf "%s: option requires an argument -- \`%s'\n" "$self" "$opt" 1>&2
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+ exit 1
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+ fi
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+ echo $1
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+}
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+
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+# Check the arguments.
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+while test $# -gt 0
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+do
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+ option=$1
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+ shift
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+
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+ case "$option" in
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+ -h | --help)
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+ usage
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+ exit 0 ;;
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+ -V | --version)
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+ echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
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+ exit 0 ;;
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+
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+ --backup-suffix)
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+ backupsuffix=`argument $option "$@"`
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+ shift
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+ ;;
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+ --backup-suffix=*)
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+ backupsuffix=`echo "$option" | sed 's/--backup-suffix=//'`
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+ ;;
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+
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+ --bls-directory)
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+ blsdir=`argument $option "$@"`
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+ shift
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+ ;;
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+ --bls-directory=*)
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+ blsdir=`echo "$option" | sed 's/--bls-directory=//'`
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+ ;;
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+
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+ --config-file)
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+ startlink=`argument $option "$@"`
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+ shift
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+ ;;
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+ --config-file=*)
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+ startlink=`echo "$option" | sed 's/--config-file=//'`
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+ ;;
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+
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+ --grub-defaults)
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+ etcdefaultgrub=`argument $option "$@"`
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+ shift
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+ ;;
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+ --grub-defaults=*)
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+ etcdefaultgrub=`echo "$option" | sed 's/--grub-defaults=//'`
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+ ;;
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+
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+ --grub-directory)
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+ grubdir=`argument $option "$@"`
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+ shift
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+ ;;
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+ --grub-directory=*)
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+ grubdir=`echo "$option" | sed 's/--grub-directory=//'`
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+ ;;
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+
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+ *)
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+ gettext_printf "Unrecognized option \`%s'\n" "$option" 1>&2
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+ usage
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+ exit 1
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+ ;;
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+ esac
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+done
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+
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+find_grub_cfg() {
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+ local candidate=""
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+ while [ -e "${candidate}" -o $# -gt 0 ]
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+ do
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+ if [ ! -e "${candidate}" ] ; then
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+ candidate="$1"
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+ shift
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+ fi
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+
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+ if [ -L "${candidate}" ]; then
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+ candidate="$(realpath "${candidate}")"
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+ fi
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+
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+ if [ -f "${candidate}" ]; then
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+ export GRUB_CONFIG_FILE="${candidate}"
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+ return 0
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+ fi
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+ done
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+ return 1
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+}
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+
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+if ! find_grub_cfg ${startlink} ${grubdir}/grub.cfg ; then
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+ gettext_printf "Couldn't find config file\n" 1>&2
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+ exit 1
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+fi
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+
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+if [ ! -d "${blsdir}" ]; then
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+ install -m 700 -d "${blsdir}"
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+fi
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+
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+if [ -f /etc/machine-id ]; then
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+ MACHINE_ID=$(cat /etc/machine-id)
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+else
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+ MACHINE_ID=$(dmesg | sha256sum)
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+fi
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+
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+mkbls() {
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+ local kernelver=$1 && shift
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+ local datetime=$1 && shift
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+ local kernelopts=$1 && shift
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+
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+ local debugname=""
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+ local debugid=""
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+ local flavor=""
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+
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+ if [ "$kernelver" == *\+* ] ; then
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+ local flavor=-"${kernelver##*+}"
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+ if [ "${flavor}" == "-debug" ]; then
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+ local debugname=" with debugging"
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+ local debugid="-debug"
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+ fi
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+ fi
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+ (
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+ source /etc/os-release
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+
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+ cat <<EOF
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+title ${NAME} (${kernelver}) ${VERSION}${debugname}
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+version ${kernelver}${debugid}
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+linux /vmlinuz-${kernelver}
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+initrd /initramfs-${kernelver}.img
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+options ${kernelopts}
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+grub_users \$grub_users
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+grub_arg --unrestricted
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+grub_class kernel${flavor}
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+EOF
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+ ) | cat
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+}
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+
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+copy_bls() {
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+ for kernelver in $(cd /lib/modules/ ; ls -1) "" ; do
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+ bls_target="${blsdir}/${MACHINE_ID}-${kernelver}.conf"
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+ linux="/vmlinuz-${kernelver}"
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+ linux_path="/boot${linux}"
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+ kernel_dir="/lib/modules/${kernelver}"
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+
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+ if [ ! -d "${kernel_dir}" ] ; then
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+ continue
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+ fi
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+ if [ ! -f "${linux_path}" ]; then
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+ continue
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+ fi
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+
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+ linux_relpath="$("${grub_mkrelpath}" "${linux_path}")"
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+ bootprefix="${linux_relpath%%"${linux}"}"
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+ cmdline="root=${LINUX_ROOT_DEVICE} ro ${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
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+
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+ mkbls "${kernelver}" \
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+ "$(date -u +%Y%m%d%H%M%S -d "$(stat -c '%y' "${kernel_dir}")")" \
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+ "${bootprefix}" "${cmdline}" >"${bls_target}"
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+
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+ if [ "x$GRUB_LINUX_MAKE_DEBUG" = "xtrue" ]; then
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+ bls_debug="$(echo ${bls_target} | sed -e "s/${kernelver}/${kernelver}~debug/")"
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+ cp -aT "${bls_target}" "${bls_debug}"
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+ title="$(grep '^title[ \t]' "${bls_debug}" | sed -e 's/^title[ \t]*//')"
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+ options="$(echo "${cmdline} ${GRUB_CMDLINE_LINUX_DEBUG}" | sed -e 's/\//\\\//g')"
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+ sed -i -e "s/^title.*/title ${title}${GRUB_LINUX_DEBUG_TITLE_POSTFIX}/" "${bls_debug}"
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+ sed -i -e "s/^options.*/options ${options}/" "${bls_debug}"
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+ fi
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+ done
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+
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+ if [ -f "/boot/vmlinuz-0-rescue-${MACHINE_ID}" ]; then
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+ mkbls "0-rescue-${MACHINE_ID}" "0" "${bootprefix}" >"${blsdir}/${MACHINE_ID}-0-rescue.conf"
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+ fi
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+}
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+
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+# The grub2 EFI binary is not copied to the ESP as a part of an ostree
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+# transaction. Make sure a grub2 version with BLS support is installed
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+# but only do this if the blsdir is not set, to make sure that the BLS
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+# parsing module will search for the BLS snippets in the default path.
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+if test -f /run/ostree-booted && test -d /sys/firmware/efi/efivars && \
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+ ! ${grub_editenv} - list | grep -q blsdir && \
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+ mountpoint -q /boot; then
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+ grub_binary="$(find /usr/lib/ostree-boot/efi/EFI/${EFIDIR}/ -name grub*.efi)"
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+ install -m 700 ${grub_binary} ${grubdir} || exit 1
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+ # Create a hidden file to indicate that grub2 now has BLS support.
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+ touch /boot/grub2/.grub2-blscfg-supported
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+fi
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+
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+GENERATE=0
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+if grep '^GRUB_ENABLE_BLSCFG=.*' "${etcdefaultgrub}" \
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+ | grep -vq '^GRUB_ENABLE_BLSCFG="*true"*\s*$' ; then
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+ if ! sed -i"${backupsuffix}" \
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+ -e 's,^GRUB_ENABLE_BLSCFG=.*,GRUB_ENABLE_BLSCFG=true,' \
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+ "${etcdefaultgrub}" ; then
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+ gettext_printf "Updating %s failed\n" "${etcdefaultgrub}"
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+ exit 1
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+ fi
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+ GENERATE=1
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+elif ! grep -q '^GRUB_ENABLE_BLSCFG=.*' "${etcdefaultgrub}" ; then
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+ if ! echo 'GRUB_ENABLE_BLSCFG=true' >> "${etcdefaultgrub}" ; then
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+ gettext_printf "Updating %s failed\n" "${etcdefaultgrub}"
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+ exit 1
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+ fi
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+ GENERATE=1
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+fi
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+
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+if [ "${GENERATE}" -eq 1 ] ; then
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+ copy_bls
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+
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+ if [ $arch = "x86_64" ] && [ ! -d /sys/firmware/efi ]; then
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+ mod_dir="i386-pc"
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+ elif [ $arch = "ppc64" -o $arch = "ppc64le" ] && [ ! -d /sys/firmware/opal ]; then
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+ mod_dir="powerpc-ieee1275"
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+ fi
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+
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+ if [ -n "${mod_dir}" ]; then
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+ for mod in blscfg increment; do
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+ install -m 700 ${prefix}/lib/grub/${mod_dir}/${mod}.mod ${grubdir}/$mod_dir/ || exit 1
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+ done
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+ fi
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+
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+ cp -af "${GRUB_CONFIG_FILE}" "${GRUB_CONFIG_FILE}${backupsuffix}"
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+ if ! grub2-mkconfig -o "${GRUB_CONFIG_FILE}" ; then
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+ install -m 700 "${GRUB_CONFIG_FILE}${backupsuffix}" "${GRUB_CONFIG_FILE}"
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+ sed -i"${backupsuffix}" \
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+ -e 's,^GRUB_ENABLE_BLSCFG=.*,GRUB_ENABLE_BLSCFG=false,' \
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+ "${etcdefaultgrub}"
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+ gettext_printf "Updating %s failed\n" "${GRUB_CONFIG_FILE}"
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+ exit 1
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+ fi
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+fi
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+
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+# Bye.
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+exit 0
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diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
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index 2851952659..e490e1a43a 100644
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--- a/util/grub.d/10_linux.in
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+++ b/util/grub.d/10_linux.in
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@@ -138,7 +138,7 @@ blsdir="/boot/loader/entries"
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get_sorted_bls()
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{
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- if ! [ -d "${blsdir}" ]; then
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+ if ! [ -d "${blsdir}" ] || [ -f /run/ostree-booted ] || [ -d /ostree/repo ]; then
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return
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fi
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