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Accepting request 221392 from Base:System

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- add grub2-snapper-plugin.sh (fate#316232)
  * grub2's snapper plugin for advanced btrfs snapshot menu management
  * package as grub2-snapper-plugin.noarch
- refresh 0002-script-create-menus-for-btrfs-snapshot.patch
  * when booting btrfs snapshots disabled, deleting snapshot master config
    if it's not customized (forwarded request 221073 from michael-chang)

OBS-URL: https://build.opensuse.org/request/show/221392
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/grub2?expand=0&rev=84
This commit is contained in:
Stephan Kulow 2014-02-11 09:55:19 +00:00 committed by Git OBS Bridge
commit fdb8be498f
4 changed files with 227 additions and 2 deletions
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11
0002-script-create-menus-for-btrfs-snapshot.patch
View File

@ -20,6 +20,10 @@ v2:
* Create missing slave config in /.snapshots/<num>/
* Prefix with SUSE_ for related options
v3:
* When booting btrfs snapshots disabled, deleting snapshot master config
if it's not customized
Signed-off-by: Michael Chang <mchang@suse.com>
Index: grub-2.02~beta2/Makefile.util.def
@ -60,7 +64,7 @@ Index: grub-2.02~beta2/util/grub.d/80_btrfs_snapshot.in
===================================================================
--- /dev/null
+++ grub-2.02~beta2/util/grub.d/80_btrfs_snapshot.in
@@ -0,0 +1,171 @@
@@ -0,0 +1,174 @@
+#! /bin/sh
+set -e
+
@ -122,7 +126,10 @@ Index: grub-2.02~beta2/util/grub.d/80_btrfs_snapshot.in
+# specify SUSE_DISABLE_BOOTING_SNAPSHOT=false the update the config
+if [ "x${SUSE_DISABLE_BOOTING_SNAPSHOT}" != "xfalse" ]; then
+ rm -f "/${slave_cfg}"
+ rm -f "${master_snapshot_cfg}"
+# Delete snapshot master config if not customized
+ if [ "x${SUSE_ENABLE_CUSTOM_SNAPSHOT_SUBMENU}" != "xtrue" ]; then
+ rm -f "${master_snapshot_cfg}"
+ fi
+ exit 0
+fi
+

189
grub2-snapper-plugin.sh Normal file
View File

@ -0,0 +1,189 @@
#!/bin/sh
set -e
# Copyright (C) 2006,2007,2008,2009,2010 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/>.
grub_mkconfig="/usr/sbin/grub2-mkconfig"
grub_mkrelpath="/usr/bin/grub2-mkrelpath"
grub_setting="/etc/default/grub"
grub_cfg="/boot/grub2/grub.cfg"
grub_snapshot_cfg="/boot/grub2/snapshot_submenu.cfg"
snapshot_submenu_name="snapshot_submenu.cfg"
snapshot_menuentry_name="snapshot_menuentry.cfg"
snapshot_menuentry_cfg="boot/grub2/${snapshot_menuentry_name}"
rel_root=`"$grub_mkrelpath" /`
snapshot_submenu_refresh () {
for s_dir in /.snapshots/*; do
snapshot="${s_dir}/snapshot"
snapper_cfg="${s_dir}/${snapshot_submenu_name}"
if [ ! -d "$snapshot" ]; then
rm -f "${snapper_cfg}"
rm -f "${s_dir}/${snapshot_menuentry_name}"
continue
fi
cfgs="${s_dir}/${snapshot_menuentry_name} ${snapshot}/${snapshot_menuentry_cfg}"
date=`xmllint --xpath '/snapshot/date/text()' "${s_dir}/info.xml" || echo ""`
cat <<EOF > "${snapper_cfg}.new"
for x in $cfgs; do
snap="${rel_root}${snapshot}"
snap_cfg="${rel_root}\$x"
if [ -f "\$snap_cfg" ]; then
snapshot_found=true
submenu "$date" "\$snap" "\$snap_cfg" {
set subvol="\$2"
export subvol
source "\$3"
}
break
fi
done
EOF
if grub2-script-check "${snapper_cfg}.new"; then
mv -f "${snapper_cfg}.new" "${snapper_cfg}"
fi
done
}
grub_snapshot_cfg_refresh () {
: > "${grub_snapshot_cfg}.tmp"
for s_dir in /.snapshots/*; do
snapshot="${s_dir}/snapshot"
snapper_cfg="${s_dir}/${snapshot_submenu_name}"
if [ -f "${snapper_cfg}" ]; then
echo "source ${rel_root}${snapper_cfg}" >>"${grub_snapshot_cfg}.tmp"
continue
fi
done
cat <<EOF >"${grub_snapshot_cfg}.new"
submenu "Bootable snapshots" {
`sort -V "${grub_snapshot_cfg}.tmp"`
if [ x\$snapshot_found != xtrue ]; then
submenu "Not Found" {true}
fi
}
EOF
if grub2-script-check "${grub_snapshot_cfg}.new"; then
mv -f "${grub_snapshot_cfg}.new" "${grub_snapshot_cfg}"
fi
}
snapshot_submenu_clean () {
for s_dir in /.snapshots/*; do
snapshot="${s_dir}/snapshot"
snapper_cfg="${s_dir}/${snapshot_submenu_name}"
if [ -f "$snapper_cfg" ]; then
rm -f "$snapper_cfg"
fi
done
}
set_grub_setting () {
name=$1
val=$2
if grep -q "$name" "$grub_setting"; then
sed -i -e "s/.*\($name\)=.*/\1=$val/" "$grub_setting"
else
echo "$name=$val" >> "$grub_setting"
fi
}
update_grub_cfg () {
"$grub_mkconfig" -o "$grub_cfg"
}
# Check the arguments.
while test $# -gt 0
do
option=$1
shift
case "$option" in
-e | --enable)
opt_enable=true
;;
-d | --disable)
opt_enable=false
;;
-r | --refresh)
opt_refresh=true
;;
-c | --clean)
opt_clean=true
;;
-*)
;;
esac
done
if [ "x${opt_enable}" = "xtrue" ]; then
set_grub_setting SUSE_DISABLE_BOOTING_SNAPSHOT false
set_grub_setting SUSE_ENABLE_CUSTOM_SNAPSHOT_SUBMENU true
update_grub_cfg
snapshot_submenu_refresh
grub_snapshot_cfg_refresh
elif [ "x${opt_enable}" = "xfalse" ]; then
snapshot_submenu_clean
set_grub_setting SUSE_DISABLE_BOOTING_SNAPSHOT true
set_grub_setting SUSE_ENABLE_CUSTOM_SNAPSHOT_SUBMENU false
update_grub_cfg
fi
if [ x${opt_refresh} = "xtrue" ]; then
snapshot_submenu_refresh
grub_snapshot_cfg_refresh
fi
if [ x${opt_clean} = "xtrue" ]; then
snapshot_submenu_clean
grub_snapshot_cfg_refresh
fi

10
grub2.changes
View File

@ -1,3 +1,13 @@
-------------------------------------------------------------------
Wed Feb 5 04:33:55 UTC 2014 - mchang@suse.com
- add grub2-snapper-plugin.sh (fate#316232)
* grub2's snapper plugin for advanced btrfs snapshot menu management
* package as grub2-snapper-plugin.noarch
- refresh 0002-script-create-menus-for-btrfs-snapshot.patch
* when booting btrfs snapshots disabled, deleting snapshot master config
if it's not customized
-------------------------------------------------------------------
Fri Jan 31 14:42:26 UTC 2014 - dvaleev@suse.com

19
grub2.spec
View File

@ -113,6 +113,7 @@ Source6: grub2-once
Source7: 20_memtest86+
Source10: openSUSE-UEFI-CA-Certificate.crt
Source11: SLES-UEFI-CA-Certificate.crt
Source12: grub2-snapper-plugin.sh
Source1000: PATCH_POLICY
Patch1: rename-grub-info-file-to-grub2.patch
Patch2: grub2-linux.patch
@ -233,6 +234,17 @@ provides support for EFI systems.
%endif
%package snapper-plugin
Summary: Grub2's snapper plugin
Group: System/Fhs
Requires: %{name} = %{version}-%{release}
Requires: libxml2-tools
BuildArch: noarch
%description snapper-plugin
Grub2's snapper plugin for advanced btrfs snapshot boot menu management
%prep
# We create (if we build for efi) two copies of the sources in the Builddir
%setup -q -n grub-%{version} -a 5
@ -458,6 +470,7 @@ rm $RPM_BUILD_ROOT%{_datadir}/%{name}/*.h
# Defaults
install -m 644 -D %{SOURCE2} $RPM_BUILD_ROOT%{_sysconfdir}/default/grub
install -m 755 -D %{SOURCE6} $RPM_BUILD_ROOT%{_sbindir}/grub2-once
install -m 755 -D %{SOURCE12} $RPM_BUILD_ROOT%{_libdir}/snapper/plugins/grub
%find_lang %{name}
%fdupes %buildroot%{_bindir}
@ -726,4 +739,10 @@ fi
%endif
%endif
%files snapper-plugin
%defattr(-,root,root,-)
%dir %{_libdir}/snapper
%dir %{_libdir}/snapper/plugins
%{_libdir}/snapper/plugins/grub
%changelog