2008-08-27 08:07:28 +00:00
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This adds a section to the configuration file that persists the updates,
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so that it's not only grub2-update itself that decides what's in the
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configuration.
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Lubomir Rintel <lkundrak@v3.sk>
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2008-08-27 11:56:37 +00:00
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diff -up grub2/conf/common.rmk.persistent grub2/conf/common.rmk
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--- grub2/conf/common.rmk.persistent 2008-08-27 10:49:16.000000000 +0200
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+++ grub2/conf/common.rmk 2008-08-27 13:51:33.000000000 +0200
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@@ -138,6 +138,12 @@ endif
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2008-08-27 08:07:28 +00:00
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CLEANFILES += $(update-grub_SCRIPTS)
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+90_persistent: util/grub.d/90_persistent.in config.status
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+ ./config.status --file=$@:$<
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+ chmod +x $@
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+update-grub_SCRIPTS += 90_persistent
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+CLEANFILES += 90_persistent
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+
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update-grub_DATA += util/grub.d/README
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2008-08-27 11:56:37 +00:00
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diff -up /dev/null grub2/util/grub.d/90_persistent.in
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--- /dev/null 2008-08-24 16:09:23.777049452 +0200
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+++ grub2/util/grub.d/90_persistent.in 2008-08-27 13:51:33.000000000 +0200
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2008-08-27 08:07:28 +00:00
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@@ -0,0 +1,37 @@
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+#! /bin/sh -e
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+
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+# update-grub helper script.
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+# Copyright (C) 2008 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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+# The output of this script is copied from part of grub.cfg
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+# that correspond to itself. The achievement is that user can
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+# modify that part of grub.cfg directly, and it will be persistent
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+# across update-grub runs.
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+
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+transform="@program_transform_name@"
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+
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+ME=$(echo $0 |sed 's,/,\\/,g')
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+GRUBCFG=/boot/`echo grub | sed ${transform}`/grub.cfg
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+
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+# Exit gracefully if there's no configuration file yet
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+[ -f ${GRUBCFG} ] || exit 0
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+
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+awk "
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+ BEGIN {echo = 0}
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+ /### BEGIN $ME ###/ {echo = 1; next}
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+ /### END $ME ###/ {echo = 0; next}
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+ {if (echo) print}
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+" ${GRUBCFG}
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2008-08-27 11:56:37 +00:00
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diff -up grub2/util/update-grub.in.persistent grub2/util/update-grub.in
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--- grub2/util/update-grub.in.persistent 2008-08-27 13:51:33.000000000 +0200
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+++ grub2/util/update-grub.in 2008-08-27 13:51:33.000000000 +0200
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2008-08-27 08:07:28 +00:00
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@@ -176,11 +176,12 @@ echo "Updating ${grub_cfg} ..." >&2
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cat << EOF
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#
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-# DO NOT EDIT THIS FILE
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-#
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-# It is automatically generated by $0 using templates
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+# This is automatically generated by $0 using templates
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# from ${update_grub_dir} and settings from ${sysconfdir}/default/grub
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#
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+# If you want your changes to persist across updates, add them
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+# to 90_persistent section
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+#
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EOF
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for i in ${update_grub_dir}/* ; do
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