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#!/bin/sh -
# -*- Mode: Sh -*-
# example.posthook.sh ---
# Author : Manoj Srivastava ( srivasta@glaurung.green-gryphon.com )
# Created On : Mon Aug 11 14:00:58 2003
# Created On Node : glaurung.green-gryphon.com
# Last Modified By : Manoj Srivastava
# Last Modified On : Mon Aug 11 14:29:49 2003
# Last Machine Used: glaurung.green-gryphon.com
# Update Count : 9
# Status : Unknown, Use with caution!
# HISTORY :
# Description :
#
#
# This is an example of a script that can be run as a postinst hook,
# and manages the symbolic links in a manner similar to the kernel
# image defaul behaviour, except that the latest ttwo version (as
# determined by ls -lt) are kept. You can modify this script
#
set -e
# The dir where symlinks are managed
SYMLINKDIR=/
if [ $# -ne 2 ]; then
echo Usage: $0 version location
exit 2
fi
version="$1"
vmlinuz_location="$2"
cd $SYMLINKDIR || exit 1
rm -f vmlinuz vmlinuz.old vmlinuz-rd vmlinuz-rd.old initrd.img initrd.img.old
# Create a temporary file safely
if [ -x /bin/tempfile ]; then
outfile=$(tempfile -p outp -m 0600);
else
set -e
mkdir /tmp/kernel-image-$version-$$
outfile=/tmp/kernel-image-$version-$$/output
fi
ls -t vmlinuz-* > $outfile
STD="$(head -n 1 $outfile | sed 's/vmlinuz-//')"
OLD="$(head -n 2 $outfile | tail -n 1 | sed 's/vmlinuz-//')"
if [ "X$STD" = "X" ]; then
exit 0;
fi
# If you want version specific links, here's how to start
STD24="$(grep vmlinuz-2.4 $outfile | head -n 1 | sed 's/vmlinuz-//')" || true
OLD24="$(grep vmlinuz-2.4 $outfile | head -n 1 | tail -n 1 | sed 's/vmlinuz-//')" || true
STD25="$(grep vmlinuz-2.5 $outfile | head -n 1 | sed 's/vmlinuz-//')" || true
OLD25="$(grep vmlinuz-2.5 $outfile | head -n 1 | tail -n 1 | sed 's/vmlinuz-//')" || true
echo Booting $STD, old is $OLD
if [ -f initrd.img-$STD ] ; then
ln -s initrd.img-$STD initrd.img
ln -s vmlinuz-$STD vmlinuz-rd
else
ln -s vmlinuz-$STD vmlinuz
fi
if [ "X$OLD" != "X" ]; then
if [ -f initrd.img-$OLD ] ; then
ln -s initrd.img-$OLD initrd.img.old
ln -s vmlinuz-$OLD vmlinuz-rd.old
else
ln -s vmlinuz-$OLD vmlinuz.old
fi
fi
# if [ "X$STD24" != "X" ]; then
# if [ -f initrd.img-$STD24 ] ; then
# ln -s initrd.img-$STD24 initrd24.img
# ln -s vmlinuz-$STD24 vmlinuz24-rd
# else
# ln -s vmlinuz-$STD24 vmlinuz24
# fi
# fi
# if [ "X$OLD24" != "X" ]; then
# if [ -f initrd.img-$OLD24 ] ; then
# ln -s initrd.img-$OLD24 initrd24.img.old
# ln -s vmlinuz-$OLD vmlinuz24-rd.old
# else
# ln -s vmlinuz-$OLD vmlinuz24.old
# fi
# fi
lilo
rm -f $outfile
if [ -d /tmp/kernel-image-$version-$$ ]; then
rmdir /tmp/kernel-image-$version-$$
fi
exit 0
|
