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grub2/0060-Add-grub2-switch-to-blscfg.patch
Robbie Harwood ed1787d5fc emu: support newer kexec syscall 
Signed-off-by: Robbie Harwood <rharwood@redhat.com>
2023-02-06 22:43:11 +00:00

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