Here's my patch. Let me know if it's ok for commit.
--
Robert Millan
My spam trap is [EMAIL PROTECTED] Note: this address is only intended
for spam harvesters. Writing to it will get you added to my black list.
2007-04-17 Robert Millan <[EMAIL PROTECTED]>
* DISTLIST: Add util/update-grub.in, util/grub.d/00_header.in,
util/grub.d/10_hurd.in, util/grub.d/10_linux.in and util/grub.d/README.
* Makefile.in: Declare enable_update_grub. Install update-grub_SCRIPTS
and update-grub_DATA.
* configure.ac: Add --enable-update-grub option to enable update-grub.
* configure: Regenerate.
* conf/common.rmk: Install update-grub components when
enable_update_grub is set.
* conf/common.mk: Regenerate.
* util/update-grub.in: New. Core of update-grub.
* util/grub.d/00_header.in: New. Generates grub.cfg header.
* util/grub.d/10_hurd.in: New. Generates boot entries for the Hurd.
* util/grub.d/10_linux.in: New. Generates boot entries for Linux.
* util/grub.d/README: New. Document grub.d directory layout.
Index: DISTLIST
===================================================================
RCS file: /sources/grub/grub2/DISTLIST,v
retrieving revision 1.38
diff -u -r1.38 DISTLIST
--- DISTLIST 14 Oct 2006 18:59:34 -0000 1.38
+++ DISTLIST 17 Apr 2007 12:06:37 -0000
@@ -258,6 +258,11 @@
util/raid.c
util/resolve.c
util/unifont2pff.rb
+util/update-grub.in
+util/grub.d/00_header.in
+util/grub.d/10_hurd.in
+util/grub.d/10_linux.in
+util/grub.d/README
util/i386/efi/grub-mkimage.c
util/i386/pc/biosdisk.c
util/i386/pc/getroot.c
Index: Makefile.in
===================================================================
RCS file: /sources/grub/grub2/Makefile.in,v
retrieving revision 1.24
diff -u -r1.24 Makefile.in
--- Makefile.in 10 Apr 2007 21:38:26 -0000 1.24
+++ Makefile.in 17 Apr 2007 12:06:37 -0000
@@ -77,6 +78,7 @@
# Options.
enable_grub_emu = @enable_grub_emu@
+enable_update_grub = @enable_update_grub@
### General variables.
@@ -153,6 +155,17 @@
dest="`echo $$file | sed 's,.*/,,' | sed '$(transform)'`"; \
$(INSTALL_SCRIPT) $$dir$$file $(DESTDIR)$(sbindir)/$$dest; \
done
+ $(mkinstalldirs) $(DESTDIR)$(sysconfdir)/grub.d
+ @list='$(update-grub_SCRIPTS)'; for file in $$list; do \
+ if test -f "$$file"; then dir=; else dir="$(srcdir)"; fi; \
+ dest="`echo $$file | sed 's,.*/,,' | sed '$(transform)'`"; \
+ $(INSTALL_SCRIPT) $$dir$$file $(DESTDIR)$(sysconfdir)/grub.d/$$dest; \
+ done
+ @list='$(update-grub_DATA)'; for file in $$list; do \
+ if test -f "$$file"; then dir=; else dir="$(srcdir)"; fi; \
+ dest="`echo $$file | sed 's,.*/,,' | sed '$(transform)'`"; \
+ $(INSTALL_DATA) $$dir$$file $(DESTDIR)$(sysconfdir)/grub.d/$$dest; \
+ done
install-strip:
$(MAKE) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" install
Index: configure.ac
===================================================================
RCS file: /sources/grub/grub2/configure.ac,v
retrieving revision 1.37
diff -u -r1.37 configure.ac
--- configure.ac 10 Apr 2007 21:38:26 -0000 1.37
+++ configure.ac 17 Apr 2007 12:06:37 -0000
@@ -314,6 +314,19 @@
[fi]
AC_SUBST([enable_grub_emu])
+AC_ARG_ENABLE([update-grub],
+ [AS_HELP_STRING([--enable-update-grub],
+ [build and install the `update-grub' grub.cfg generation utility])])
+[if [ x"$enable_update_grub" = xyes ]; then
+ # Check for bash.]
+ AC_PATH_PROG(_BASH, bash) # BASH is a reserved variable, use _BASH instead
+ if test "x$_BASH" = x; then
+ AC_MSG_ERROR([bash is required for `update-grub'])
+ fi
+ AC_CONFIG_FILES([util/update-grub util/grub.d/00_header util/grub.d/10_hurd util/grub.d/10_linux])
+[fi]
+AC_SUBST([enable_update_grub])
+
# Output files.
AC_CONFIG_LINKS([include/grub/cpu:include/grub/$target_cpu
include/grub/machine:include/grub/$target_cpu/$platform])
Index: conf/common.mk
===================================================================
RCS file: /sources/grub/grub2/conf/common.mk,v
retrieving revision 1.20
diff -u -r1.20 common.mk
--- conf/common.mk 3 Nov 2006 20:28:04 -0000 1.20
+++ conf/common.mk 17 Apr 2007 12:06:38 -0000
@@ -18,6 +18,11 @@
rm -f $@; sh $(srcdir)/geninit.sh $(filter %.c,$^) > $@
DISTCLEANFILES += grub_emu_init.c
+ifeq ($(enable_update_grub), yes)
+sbin_UTILITIES += util/update-grub
+update-grub_SCRIPTS += util/grub.d/00_header util/grub.d/10_linux util/grub.d/10_hurd
+update-grub_DATA += util/grub.d/README
+endif
# Filing systems.
pkgdata_MODULES += fshelp.mod fat.mod ufs.mod ext2.mod \
Index: conf/common.rmk
===================================================================
RCS file: /sources/grub/grub2/conf/common.rmk,v
retrieving revision 1.12
diff -u -r1.12 common.rmk
--- conf/common.rmk 3 Nov 2006 20:28:04 -0000 1.12
+++ conf/common.rmk 17 Apr 2007 12:06:38 -0000
@@ -18,6 +18,11 @@
rm -f $@; sh $(srcdir)/geninit.sh $(filter %.c,$^) > $@
DISTCLEANFILES += grub_emu_init.c
+ifeq ($(enable_update_grub), yes)
+sbin_UTILITIES += util/update-grub
+update-grub_SCRIPTS += util/grub.d/00_header util/grub.d/10_linux util/grub.d/10_hurd
+update-grub_DATA += util/grub.d/README
+endif
# Filing systems.
pkgdata_MODULES += fshelp.mod fat.mod ufs.mod ext2.mod \
Index: util/update-grub.in
===================================================================
RCS file: util/update-grub.in
diff -N util/update-grub.in
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ util/update-grub.in 17 Apr 2007 12:06:38 -0000
@@ -0,0 +1,89 @@
+#! @_BASH@ -e
+
+# Generate grub.cfg by inspecting /boot contents.
+# Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+#
+# This file 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 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St - Suite 330, Boston, MA 02110, USA.
+
+transform="@program_transform_name@"
+
[EMAIL PROTECTED]@
+grub_prefix=`echo /boot/grub | sed ${transform}`
+grub_cfg=${grub_prefix}/grub.cfg
+update_grub_dir=${sysconfdir}/grub.d
+test_mode=false
+
+if [ "$UID" != 0 ] ; then
+ echo "$0: You must run this as root" >&2
+ exit 1
+fi
+
+if [ "$1" == "-y" ] ; then
+ echo "$0: warning: Ignoring -y option (no longer needed)." >&2
+fi
+
+if ! test -d ${update_grub_dir} && test -d ./grub.d ; then
+ update_grub_dir=./grub.d
+ test_mode=true
+fi
+
+if ! which grub-probe > /dev/null ; then
+ echo "$0: grub-probe not found in PATH." >&2
+ exit 1
+fi
+
+if ! ${test_mode} ; then
+ exec > ${grub_cfg}.new
+ chmod 444 ${grub_cfg}.new
+fi
+
+if test -f ${sysconfdir}/default/grub ; then
+ . ${sysconfdir}/default/grub
+fi
+
+echo "Updating ${grub_cfg} ..." >&2
+
+cat << EOF
+#
+# DO NOT EDIT THIS FILE
+#
+# It is automaticaly generated by $0 using templates from ${update_grub_dir}
+#
+EOF
+
+export GRUB_DEVICE="`grub-probe --target=device ${grub_prefix}`"
+export GRUB_DRIVE="`grub-probe --target=drive ${grub_prefix}`"
+export GRUB_FS="`grub-probe --target=fs ${grub_prefix}`"
+
+shopt -s nullglob ; for i in ${update_grub_dir}/* ; do
+ case $i in
+ # emacsen backup files. FIXME: support other editors
+ *~) ;;
+ *)
+ if test -x $i ; then
+ echo -e "\n### BEGIN $i ###"
+ $i
+ echo "### END $i ###"
+ fi
+ ;;
+ esac
+done
+
+# none of the children aborted with error, install the new grub.cfg
+if ! ${test_mode} ; then
+ mv ${grub_cfg}{.new,}
+fi
+
+echo "done" >&2
Index: util/grub.d/00_header.in
===================================================================
RCS file: util/grub.d/00_header.in
diff -N util/grub.d/00_header.in
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ util/grub.d/00_header.in 17 Apr 2007 12:06:38 -0000
@@ -0,0 +1,28 @@
+#! @_BASH@ -e
+
+# update-grub helper script.
+# Copyright (C) 2006 Free Software Foundation, Inc.
+#
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St - Suite 330, Boston, MA 02110, USA.
+
+
+if [ -z "${GRUB_DEFAULT}" ] ; then GRUB_DEFAULT=0 ; fi
+if [ -z "${GRUB_TIMEOUT}" ] ; then GRUB_TIMEOUT=5 ; fi
+
+cat << EOF
+set default=${GRUB_DEFAULT}
+set timeout=${GRUB_TIMEOUT}
+set root=${GRUB_DRIVE}
+EOF
Index: util/grub.d/10_hurd.in
===================================================================
RCS file: util/grub.d/10_hurd.in
diff -N util/grub.d/10_hurd.in
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ util/grub.d/10_hurd.in 17 Apr 2007 12:06:38 -0000
@@ -0,0 +1,72 @@
+#! @_BASH@ -e
+
+# update-grub helper script.
+# Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+#
+# This file 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 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St - Suite 330, Boston, MA 02110, USA.
+
+if [ -z "${GRUB_DISTRIBUTOR}" ] ; then
+ OS=GNU
+else
+ OS="${GRUB_DISTRIBUTOR} GNU/Hurd"
+fi
+
+# FIXME: add l4 here?
+kernel=
+for i in /boot/gnumach{.gz,} ; do
+ if test -e $i ; then
+ kernel=$i
+ fi
+done
+
+# FIXME: This works for ext2. For other filesystems we might need special-casing
+case "${GRUB_FS}" in
+ *fs) hurd_fs="${GRUB_FS}" ;;
+ *) hurd_fs="${GRUB_FS}fs" ;;
+esac
+
+at_least_one=false
+all_of_them=true
+for i in "${kernel}" /hurd/${hurd_fs}.static /hurd/exec ; do
+ if test -e "$i" ; then
+ echo "Found Hurd module: $i" >&2
+ at_least_one=true
+ else
+ all_of_them=false
+ fi
+done
+
+if ! ${at_least_one} ; then
+ # no hurd here, aborting silently
+ exit 0
+fi
+
+if ! ${all_of_them} || ! test -e /lib/ld.so.1 ; then
+ echo "Some Hurd stuff found, but not enough to boot." >&2
+ exit 1
+fi
+
+cat << EOF
+menuentry "${OS}" {
+ multiboot ${kernel} root=device:${GRUB_DEVICE}
+ module /hurd/${hurd_fs}.static --readonly \\
+ --multiboot-command-line='\${kernel-command-line}' \\
+ --host-priv-port='\${host-port}' \\
+ --device-master-port='\${device-port}' \\
+ --exec-server-task='\${exec-task}' -T typed '\${root}' \\
+ '\$(task-create)' '\$(task-resume)'
+ module /lib/ld.so.1 /hurd/exec '\$(exec-task=task-create)'
+}
+EOF
Index: util/grub.d/10_linux.in
===================================================================
RCS file: util/grub.d/10_linux.in
diff -N util/grub.d/10_linux.in
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ util/grub.d/10_linux.in 17 Apr 2007 12:06:38 -0000
@@ -0,0 +1,53 @@
+#! @_BASH@ -e
+
+# update-grub helper script.
+# Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+#
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St - Suite 330, Boston, MA 02110, USA.
+
+if [ -n "${GRUB_DISTRIBUTOR}" ] ; then GRUB_DISTRIBUTOR="${GRUB_DISTRIBUTOR} " ; fi
+
+shopt -s nullglob
+
+for linux in /{boot/,}vmlinu[xz]-* ; do
+ echo "Found linux image: $linux" >&2
+ version=`echo $linux | sed -e "s,.*/[^0-9]*-,,g"`
+ basedir=`echo $linux | sed -e "s,/[^/]*$,,g"`
+ cat << EOF
+menuentry "${GRUB_DISTRIBUTOR}GNU/Linux, linux ${version}" {
+ linux ${linux} root=${GRUB_DEVICE} ro
+EOF
+ if test -e ${basedir}/initrd.img-${version} ; then
+ echo "Found initrd image: ${basedir}/initrd.img-${version}" >&2
+ cat << EOF
+ initrd ${basedir}/initrd.img-${version}
+EOF
+ fi
+ cat << EOF
+}
+EOF
+ cat << EOF
+menuentry "${GRUB_DISTRIBUTOR}GNU/Linux, linux ${version} (single-user mode)" {
+ linux ${linux} root=${GRUB_DEVICE} ro single
+EOF
+ if test -e ${basedir}/initrd.img-${version} ; then
+ cat << EOF
+ initrd ${basedir}/initrd.img-${version}
+EOF
+ fi
+ cat << EOF
+}
+EOF
+done
Index: util/grub.d/README
===================================================================
RCS file: util/grub.d/README
diff -N util/grub.d/README
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ util/grub.d/README 17 Apr 2007 12:06:38 -0000
@@ -0,0 +1,11 @@
+
+All executable files in this directory are processed in shell expansion order.
+
+ 00_*: Reserved for 00_header.
+ 10_*: Native boot entries.
+ 20_*: Third party apps (e.g. memtest86+).
+
+The number namespace in-between is configurable by system installer and/or
+administrator. For example, you can add an entry to boot another OS as
+01_otheros, 11_otheros, etc, depending on the position you want it to occupy in
+the menu; and then adjust the default setting via /etc/default/grub.
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