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Make the grub-switch-to-blscfg and 10_linux scripts more robust
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
This commit is contained in:
Javier Martinez Canillas
parent
0f180aa21f
commit
8f3ba95cfd
4 changed files with 91 additions and 1 deletions
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@ -0,0 +1,46 @@
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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: Thu, 16 Apr 2020 18:53:03 +0200
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Subject: [PATCH] grub-switch-to-blscfg: Use install to copy GRUB binary,
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modules and config
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By default the cp command truncates the destination before copying from the
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source, so if interrupted it can lead to a file that's half written.
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This behavior can be modified using the --remove-destination option, but is
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usually a better choice to use the install tool for this. So let's do that.
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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util/grub-switch-to-blscfg.in | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/util/grub-switch-to-blscfg.in b/util/grub-switch-to-blscfg.in
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index 4bbed8e4fe9..3333a620c28 100644
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--- a/util/grub-switch-to-blscfg.in
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+++ b/util/grub-switch-to-blscfg.in
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@@ -273,7 +273,7 @@ copy_bls() {
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if test -f /run/ostree-booted && test -d /sys/firmware/efi/efivars && \
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! ${grub_editenv} - list | grep -q blsdir; then
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grub_binary="$(find /usr/lib/ostree-boot/efi/EFI/${EFIDIR}/ -name grub*.efi)"
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- cp ${grub_binary} ${grubdir} || exit 1
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+ install -m 700 ${grub_binary} ${grubdir} || exit 1
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# Create a hidden file to indicate that grub2 now has BLS support.
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touch /boot/grub2/.grub2-blscfg-supported
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fi
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@@ -307,13 +307,13 @@ if [ "${GENERATE}" -eq 1 ] ; then
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if [ -n "${mod_dir}" ]; then
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for mod in blscfg increment; do
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- cp ${prefix}/lib/grub/${mod_dir}/${mod}.mod ${grubdir}/$mod_dir/ || exit 1
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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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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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- cp -af "${GRUB_CONFIG_FILE}${backupsuffix}" "${GRUB_CONFIG_FILE}"
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+ install -m 700 "${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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@ -0,0 +1,39 @@
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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: Thu, 16 Apr 2020 21:11:04 +0200
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Subject: [PATCH] 10_linux.in: Enable BLS configuration if new-kernel-pkg isn't
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present
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Currently if the the GRUB_ENABLE_BLSCFG option in /etc/default/grub hasn't
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been set, the 10_linux script will generate a GRUB configuration that does
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not include the blscfg command to populate the menu entries from BLS files.
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But on kernel install the /usr/lib/kernel/install.d/20-grub.install script
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will only add menuentry commands to the GRUB config file if the old grubby
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tool and new-kernel-pkg script are installed.
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So a configuration with the GRUB_ENABLE_BLSCFG option will lead to a setup
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where new kernel entries are not added. Make a BLS config the default if
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that option wasn't set and the new-kernel-pkg script is not present.
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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util/grub.d/10_linux.in | 5 +++++
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1 file changed, 5 insertions(+)
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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 d5319300e04..b99eaa8f203 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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@@ -96,6 +96,11 @@ cat <<EOF
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EOF
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}
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+# Make BLS the default if GRUB_ENABLE_BLSCFG was not set and grubby is not installed.
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+if [ -z "${GRUB_ENABLE_BLSCFG}" ] && [ -z "$(which new-kernel-pkg 2> /dev/null)" ]; then
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+ GRUB_ENABLE_BLSCFG="true"
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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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@ -198,3 +198,5 @@ Patch0197: 0197-blscfg-Always-use-the-root-variable-to-search-for-BL.patch
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Patch0198: 0198-blscfg-return-NULL-instead-of-a-zero-length-array-in.patch
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Patch0199: 0199-grub-switch-to-blscfg-Update-grub2-binary-in-ESP-for.patch
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Patch0200: 0200-grub-switch-to-blscfg-Only-mark-GRUB-as-BLS-supporte.patch
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Patch0201: 0201-grub-switch-to-blscfg-Use-install-to-copy-GRUB-binar.patch
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Patch0202: 0202-10_linux.in-Enable-BLS-configuration-if-new-kernel-p.patch
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@ -7,7 +7,7 @@
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Name: grub2
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Epoch: 1
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Version: 2.02
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Release: 107%{?dist}
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Release: 108%{?dist}
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Summary: Bootloader with support for Linux, Multiboot and more
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License: GPLv3+
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URL: http://www.gnu.org/software/grub/
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@ -518,6 +518,9 @@ rm -r /boot/grub2.tmp/ || :
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%endif
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%changelog
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* Thu Apr 16 2020 Javier Martinez Canillas <javierm@redhat.com> - 2.02-108
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- Make the grub-switch-to-blscfg and 10_linux scripts more robust
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* Thu Apr 02 2020 Javier Martinez Canillas <javierm@redhat.com> - 2.02-107
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- grub-switch-to-blscfg: Update grub2 binary in ESP for OSTree systems
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Related: rhbz#1751272
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