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grub2/0098-Add-grub2-switch-to-blscfg.patch
Javier Martinez Canillas 7e98da058f
Cleanup our patchset to reduce the number of patches 
This change reorganizes and cleanups our patches to reduce the patch number
from 314 patches to 187. That's achieved by dropping patches that are later
reverted and squashing fixes for earlier patches that introduced features.

There are no code changes and the diff with upstream is the same before and
after the cleanup. Having fewer patches makes easier to manage the patchset
and also will ease to rebase them on top of the latest grub-2.04 release.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
2019-07-16 12:30:06 +02:00

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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 ${etcdefaultgrub} instead of /etc/default/grub]
Signed-off-by: Jan Hlavac <jhlavac@redhat.com>
---
Makefile.util.def | 7 +
.gitignore | 2 +
util/grub-set-password.in | 2 +-
util/grub-switch-to-blscfg.8 | 33 +++++
util/grub-switch-to-blscfg.in | 314 ++++++++++++++++++++++++++++++++++++++++++
5 files changed, 357 insertions(+), 1 deletion(-)
create mode 100644 util/grub-switch-to-blscfg.8
create mode 100644 util/grub-switch-to-blscfg.in
diff --git a/Makefile.util.def b/Makefile.util.def
index c16c2ca545a..aa59418ff2c 100644
--- a/Makefile.util.def
+++ b/Makefile.util.def
@@ -1355,6 +1355,13 @@ program = {
ldadd = '$(LIBINTL) $(LIBDEVMAPPER) $(LIBZFS) $(LIBNVPAIR) $(LIBGEOM)';
};
+script = {
+ name = grub-switch-to-blscfg;
+ common = util/grub-switch-to-blscfg.in;
+ mansection = 8;
+ installdir = sbin;
+};
+
program = {
name = grub-glue-efi;
mansection = 1;
diff --git a/.gitignore b/.gitignore
index 096eeff7de8..7aaae594d51 100644
--- a/.gitignore
+++ b/.gitignore
@@ -121,6 +121,8 @@ grub-*.tar.*
/grub*-sparc64-setup.8
/grub*-syslinux2cfg
/grub*-syslinux2cfg.1
+/grub*-switch-to-blscfg
+/grub*-switch-to-blscfg.8
/grub_fstest.pp
/grub_fstest_init.c
/grub_fstest_init.lst
diff --git a/util/grub-set-password.in b/util/grub-set-password.in
index 5ebf50576d6..c0b5ebbfdc5 100644
--- a/util/grub-set-password.in
+++ b/util/grub-set-password.in
@@ -1,6 +1,6 @@
#!/bin/sh -e
-EFIDIR=$(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.8 b/util/grub-switch-to-blscfg.8
new file mode 100644
index 00000000000..9a886282976
--- /dev/null
+++ b/util/grub-switch-to-blscfg.8
@@ -0,0 +1,33 @@
+.TH GRUB-SWITCH-TO-BLSCFG 1 "Wed Feb 26 2014"
+.SH NAME
+\fBgrub-switch-to-blscfg\fR \(em Switch to using BLS config files.
+
+.SH SYNOPSIS
+\fBgrub-switch-to-blscfg\fR [--grub-directory=\fIDIR\fR] [--config-file=\fIFILE\fR] [--grub-defaults=\fIFILE\fR]
+
+.SH DESCRIPTION
+\fBgrub-switch-to-blscfg\fR reconfigures grub-mkconfig to use BLS-style config files, and then regenerates the GRUB configuration.
+
+.SH OPTIONS
+.TP
+--grub-directory=\fIDIR\fR
+Search for grub.cfg under \fIDIR\fR. The default value is \fI/boot/efi/EFI/\fBVENDOR\fR on UEFI machines and \fI/boot/grub2\fR elsewhere.
+
+.TP
+--config-file=\fIFILE\fR
+The grub config file to use. The default value is \fI/etc/grub2-efi.cfg\fR on UEFI machines and \fI/etc/grub2.cfg\fR elsewhere. Symbolic links will be followed.
+
+.TP
+--grub-defaults=\fIFILE\fR
+The defaults file for grub-mkconfig. The default value is \fI/etc/default/grub\fR.
+
+.TP
+--bls-directory=\fIDIR\fR
+Create BootLoaderSpec fragments in \fIDIR\fR. The default value is \fI/boot/loader/entries\fR.
+
+.TP
+--backup-suffix=\fSUFFIX\fR
+The suffix to use for saved backup files. The default value is \fI.bak\fR.
+
+.SH SEE ALSO
+.BR "info grub"
diff --git a/util/grub-switch-to-blscfg.in b/util/grub-switch-to-blscfg.in
new file mode 100644
index 00000000000..49b3985fadb
--- /dev/null
+++ b/util/grub-switch-to-blscfg.in
@@ -0,0 +1,314 @@
+#! /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 bootprefix=$1 && shift
+
+ local debugname=""
+ local debugid=""
+ local flavor=""
+
+ if [ "$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 ${bootprefix}/vmlinuz-${kernelver}
+initrd ${bootprefix}/initramfs-${kernelver}.img
+options \$kernelopts
+id ${ID}-${datetime}-${kernelver}
+grub_users \$grub_users
+grub_arg --unrestricted
+grub_class kernel${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}"}"
+
+ if [ -f "${kernel_dir}/bls.conf" ] ; then
+ cp -af "${kernel_dir}/bls.conf" "${bls_target}"
+ if [ -n "${bootprefix}" ]; then
+ sed -i -e "s,^\(linux[^ \t]*[ \t]\+\).*,\1${bootprefix}${linux},g" "${bls_target}"
+ sed -i -e "/^initrd/ s,\([ \t]\+\)\([^ \t]\+\),\1${bootprefix}\2,g" "${bls_target}"
+ fi
+ else
+ mkbls "${kernelver}" \
+ "$(date -u +%Y%m%d%H%M%S -d "$(stat -c '%y' "${kernel_dir}")")" \
+ "${bootprefix}" \
+ >"${bls_target}"
+ fi
+
+ 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]' "${bls_debug}" | sed -e 's/^title[ \t]*//')"
+ blsid="$(grep '^id[ \t]' "${bls_debug}" | sed -e "s/\.${ARCH}/-debug.${arch}/")"
+ sed -i -e "s/^title.*/title ${title}${GRUB_LINUX_DEBUG_TITLE_POSTFIX}/" "${bls_debug}"
+ sed -i -e "s/^id.*/${blsid}/" "${bls_debug}"
+ sed -i -e "s/^options.*/options \$kernelopts ${GRUB_CMDLINE_LINUX_DEBUG}/" "${bls_debug}"
+ fi
+ done
+
+ if [ -f "/boot/vmlinuz-0-rescue-${MACHINE_ID}" ]; then
+ mkbls "0-rescue-${MACHINE_ID}" "0" "${bootprefix}" >"${blsdir}/${MACHINE_ID}-0-rescue.conf"
+ fi
+}
+
+GENERATE=0
+if grep '^GRUB_ENABLE_BLSCFG=.*' "${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
+ cp ${prefix}/lib/grub/${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
+ cp -af "${GRUB_CONFIG_FILE}${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
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