--- /dev/null
+#!/bin/bash
+#
+# Insert a list of installed kernels in a grub config file
+# Copyright 2001 Wichert Akkerman <wichert@linux.com>
+#
+# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# Contributors:
+# Jason Thomas <jason@debian.org>
+# David B.Harris <dbarclay10@yahoo.ca>
+# Marc Haber <mh@zugschlus.de>
+# Crispin Flowerday <crispin@zeus.com>
+
+# Abort on errors
+set -e
+
+host_os=`uname -s | tr '[A-Z]' '[a-z]'`
+
+find_grub_dir ()
+{
+ for d in $grub_dirs ; do
+ if [ -d "$d" ] ; then
+ grub_dir="$d"
+ break
+ fi
+ done
+
+ if [ -z "$grub_dir" ] ; then
+ grub_dir="/boot/grub"
+ fi
+
+ echo $grub_dir
+}
+
+find_device ()
+{
+ mount_point=$1
+
+ # Autodetect current root device
+ device=
+ if [ -f /etc/fstab ] ; then
+ while read DEV MNT FOO; do
+ if `echo "$DEV" | grep -q "^#"`; then
+ continue
+ fi
+ if [ "$MNT" = "$mount_point" ]; then
+ device="$DEV";
+ fi
+ done < /etc/fstab
+ fi
+
+ if [ -n "$device" ] ; then
+ case "$device" in
+ LABEL=* | UUID=*)
+ device=`readlink -f "$(findfs $device)"`
+ ;;
+ *)
+ device=`readlink -f "$device"`
+ ;;
+ esac
+ fi
+
+ echo $device
+}
+
+find_root_device ()
+{
+ device=$(find_device "/")
+
+ if [ -z "$device" ]; then
+ echo "Cannot determine root device. Assuming /dev/hda1" >&2
+ echo "This error is probably caused by an invalid /etc/fstab" >&2
+ device=/dev/hda1
+ fi
+
+ echo $device
+}
+
+# Usage: convert_raid1 os_device
+# Checks if os_device is a software raid1.
+# If so, converts to first physical device in array.
+convert_raid1 ()
+{
+ case $1 in
+ /dev/md[0-9])
+ : ;; # Continue
+ *)
+ return 1 ;;
+ esac
+
+ [ -x /sbin/mdadm ] || return 1
+
+ # Check that the raid device is raid1
+ raidlevel=$(mdadm -D -b $1 | grep "^ARRAY" | \
+ sed "s/^.*level=//" | cut -d" " -f1)
+ [ "$raidlevel" = "raid1" ] || return 1
+
+ # Take only the first device that makes up the raid
+ raiddev=$(mdadm -D $1 | grep -A1 "Number" | grep "dev" \
+ | sed "s/^.*\(\/dev\/.*\)$/\1/")
+ [ -n "$raiddev" ] || return 1
+
+ echo $raiddev
+ return 0
+}
+
+# Usage: convert os_device
+# Convert an OS device to the corresponding GRUB drive.
+# This part is OS-specific.
+convert () {
+ # First, check if the device file exists.
+ if test -e "$1"; then
+ :
+ else
+ echo "$1: Not found or not a block device." 1>&2
+ exit 1
+ fi
+
+ host_os=`uname -s | tr '[[:upper:]]' '[[:lower:]]'`
+
+ # Break the device name into the disk part and the partition part.
+ case "$host_os" in
+ linux)
+ tmp_disk=`echo "$1" | sed -e 's%\([sh]d[[:lower:]]\)[0-9]*$%\1%' \
+ -e 's%\(fd[0-9]*\)$%\1%' \
+ -e 's%/part[0-9]*$%/disc%' \
+ -e 's%\(c[0-7]d[0-9]*\).*$%\1%'`
+ tmp_part=`echo "$1" | sed -e 's%.*/[sh]d[[:lower:]]\([0-9]*\)$%\1%' \
+ -e 's%.*/fd[0-9]*$%%' \
+ -e 's%.*/floppy/[0-9]*$%%' \
+ -e 's%.*/\(disc\|part\([0-9]*\)\)$%\2%' \
+ -e 's%.*c[0-7]d[0-9]*p*%%'`
+ ;;
+ gnu)
+ tmp_disk=`echo "$1" | sed 's%\([sh]d[0-9]*\).*%\1%'`
+ tmp_part=`echo "$1" | sed "s%$tmp_disk%%"` ;;
+ freebsd|*/kfreebsd)
+ tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([saw]d[0-9]*\).*$%\1%' \
+ | sed 's%r\{0,1\}\(da[0-9]*\).*$%\1%'`
+ tmp_part=`echo "$1" \
+ | sed "s%.*/r\{0,1\}[saw]d[0-9]\(s[0-9]*[a-h]\)%\1%" \
+ | sed "s%.*/r\{0,1\}da[0-9]\(s[0-9]*[a-h]\)%\1%"`
+ ;;
+ netbsd|*/knetbsd)
+ tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([sw]d[0-9]*\).*$%r\1d%' \
+ | sed 's%r\{0,1\}\(fd[0-9]*\).*$%r\1a%'`
+ tmp_part=`echo "$1" \
+ | sed "s%.*/r\{0,1\}[sw]d[0-9]\([abe-p]\)%\1%"`
+ ;;
+ *)
+ echo "update-grub does not support your OS yet." 1>&2
+ exit 1 ;;
+ esac
+
+ # Get the drive name.
+ tmp_drive=`grep -v '^#' $device_map | grep "$tmp_disk *$" \
+ | sed 's%.*\(([hf]d[0-9][a-z0-9,]*)\).*%\1%'`
+
+ # If not found, print an error message and exit.
+ if test "x$tmp_drive" = x; then
+ echo "$1 does not have any corresponding BIOS drive." 1>&2
+ exit 1
+ fi
+
+ if test "x$tmp_part" != x; then
+ # If a partition is specified, we need to translate it into the
+ # GRUB's syntax.
+ case "$host_os" in
+ linux)
+ echo "$tmp_drive" | sed "s%)$%,`expr $tmp_part - 1`)%" ;;
+ gnu)
+ if echo $tmp_part | grep "^s" >/dev/null; then
+ tmp_pc_slice=`echo $tmp_part \
+ | sed "s%s\([0-9]*\)[a-z]*$%\1%"`
+ tmp_drive=`echo "$tmp_drive" \
+ | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"`
+ fi
+ if echo $tmp_part | grep "[a-z]$" >/dev/null; then
+ tmp_bsd_partition=`echo "$tmp_part" \
+ | sed "s%[^a-z]*\([a-z]\)$%\1%"`
+ tmp_drive=`echo "$tmp_drive" \
+ | sed "s%)%,$tmp_bsd_partition)%"`
+ fi
+ echo "$tmp_drive" ;;
+ freebsd|*/kfreebsd)
+ if echo $tmp_part | grep "^s" >/dev/null; then
+ tmp_pc_slice=`echo $tmp_part \
+ | sed "s%s\([0-9]*\)[a-h]*$%\1%"`
+ tmp_drive=`echo "$tmp_drive" \
+ | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"`
+ fi
+ if echo $tmp_part | grep "[a-h]$" >/dev/null; then
+ tmp_bsd_partition=`echo "$tmp_part" \
+ | sed "s%s\{0,1\}[0-9]*\([a-h]\)$%\1%"`
+ tmp_drive=`echo "$tmp_drive" \
+ | sed "s%)%,$tmp_bsd_partition)%"`
+ fi
+ echo "$tmp_drive" ;;
+ netbsd|*/knetbsd)
+ if echo $tmp_part | grep "^[abe-p]$" >/dev/null; then
+ tmp_bsd_partition=`echo "$tmp_part" \
+ | sed "s%\([a-p]\)$%\1%"`
+ tmp_drive=`echo "$tmp_drive" \
+ | sed "s%)%,$tmp_bsd_partition)%"`
+ fi
+ echo "$tmp_drive" ;;
+ esac
+ else
+ # If no partition is specified, just print the drive name.
+ echo "$tmp_drive"
+ fi
+}
+
+# Usage: convert_default os_device
+# Convert an OS device to the corresponding GRUB drive.
+# Calls OS-specific convert, and returns a default of
+# (hd0,0) if anything goes wrong
+convert_default () {
+ # Check if device is software raid1 array
+ if tmp_dev=$(convert_raid1 $1 2>/dev/null) ; then
+ : # Use device returned by convert_raid1
+ else
+ tmp_dev=$1
+ fi
+
+ if tmp=$(convert $tmp_dev 2>/dev/null) ; then
+ echo $tmp
+ else
+ echo "(hd0,0)"
+ fi
+}
+
+## Configuration Options
+# directory's to look for the grub installation and the menu file
+grub_dirs="/boot/grub /boot/boot/grub"
+
+# The grub installation directory
+grub_dir=$(find_grub_dir)
+
+# Full path to the menu.lst
+menu_file_basename=menu.lst
+menu_file=$grub_dir/$menu_file_basename
+
+# Full path to the default file
+default_file_basename=default
+default_file=$grub_dir/$default_file_basename
+
+# the device for the / filesystem
+root_device=$(find_root_device)
+
+# the device for the /boot filesystem
+boot_device=$(find_device "/boot")
+
+# Full path to the device.map
+device_map=$grub_dir/device.map
+
+# Default kernel options, overidden by the kopt statement in the menufile.
+kopt="root=$root_device ro"
+
+# Title
+title="Debian GNU/`uname -s | sed -e s,GNU/,,g`"
+
+# should update-grub remember the default entry
+updatedefaultentry="false"
+
+# Drive(in GRUB terms) where the kernel is located. Overridden by the
+# kopt statement in menufile.
+# if we don't have a device.map then we can't use the convert function.
+if test -f "$device_map" ; then
+ if test -z "$boot_device" ; then
+ grub_root_device=$(convert_default "$root_device")
+ else
+ grub_root_device=$(convert_default "$boot_device")
+ fi
+else
+ grub_root_device="(hd0,0)"
+fi
projects / kernel-cn.git / commitdiff