diff options
Diffstat (limited to 'pcr/pactools/pt-pacman-cage')
| -rw-r--r-- | pcr/pactools/pt-pacman-cage | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/pcr/pactools/pt-pacman-cage b/pcr/pactools/pt-pacman-cage deleted file mode 100644 index f9248e496..000000000 --- a/pcr/pactools/pt-pacman-cage +++ /dev/null @@ -1,152 +0,0 @@ -#!/bin/bash -# -# pacman-cage -# -# Copyright (c) 2002-2006 by Andrew Rose <rose.andrew@gmail.com> -# I used Judds pacman-optimise as a framework. -# -# This program 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. -# - -myver='2.9.8.1' -dbroot="/var/lib/pacman" -pacmandb="/var/lib/pacman.db" - -usage() { - echo "pacman-cage $myver" - echo "usage: $0 pacman_db_size(MB)" - echo - echo "pacman-cage creates a loopbacked filesystem in a contigious file." - echo "This will give better response times when using pacman" - echo "A safe value for pacman_db_size should be > 40" - echo - echo "If you are unsure, use this:" - echo " $0 60" - echo -} - -die() { - echo "pacman-cage: $*" >&2 - exit 1 -} - -die_r() { - rm -f /tmp/pacman.lck - die $* -} - -loop_check=`zcat /proc/config.gz | grep CONFIG_BLK_DEV_LOOP | cut -d\= -f2` - -if [ "$loop_check" == "m" ]; then - if [ `lsmod | grep loop | cut -d\ -f1` != "loop" ]; then - echo "Error. You have to load the module 'loop' in rc.conf." - exit 1 - fi -fi - -if [ "$loop_check" == "CONFIG_BLK_DEV_LOOP" ]; then - echo "Error. Your kernel config doesn't include CONFIG_BLK_DEV_LOOP." - exit 1 -fi - - -if [ "$#" != "1" ]; then echo "wrong number of parameters" 1>&2 ; usage; exit 0; fi - -if [ "$1" != "" ]; then - if [ "$1" = "-h" -o "$1" = "--help" ]; then - usage - exit 0 - fi - dbsize=$1 -fi - -if [ "`id -u`" != 0 ]; then - die "You must be root to cage the database" -fi - -# make sure pacman isn't running -if [ -f /tmp/pacman.lck ]; then - die "Pacman lockfile was found. Cannot run while pacman is running." -fi -# make sure pacman.db hasnt already been made -if [ -f $pacmandb ]; then - die "$pacmandb already exists!." -fi - -if [ ! -d $dbroot ]; then - die "$dbroot does not exist or is not a directory" -fi - -# don't let pacman run while we do this -touch /tmp/pacman.lck - -# step 1: sum the old db -echo "==> md5sum'ing the old database..." -find $dbroot -type f | sort | xargs md5sum >/tmp/pacsums.old - -echo "==> creating pacman.db loopback file..." -dd if=/dev/zero of=$pacmandb bs=1M count=$dbsize > /dev/null 2>&1 - -echo "==> creating ext2 -O dir_index -b 1024 -m 0 on $pacmandb..." -yes | mkfs.ext2 -O dir_index -b 1024 -i 1024 -m 0 -F $pacmandb > /dev/null 2>&1 - -echo "==> creating temporary mount point /mnt/tmp-pacman.." -mkdir /mnt/tmp-pacman - -echo "==> mounting pacman.db to temporary mount point..." -mount -o loop $pacmandb /mnt/tmp-pacman - -echo "==> copying pacman database to temporary mount point..." -cp -a /var/lib/pacman/. /mnt/tmp-pacman - -echo "==> unmounting temporary mount point..." -umount /mnt/tmp-pacman - -echo "==> removing temporary mount point..." -rmdir /mnt/tmp-pacman - -echo "==> moving old /var/lib/pacman to /var/lib/pacman.bak..." -mv /var/lib/pacman /var/lib/pacman.bak - -echo "==> createing new pacman db mount point @ $dbroot..." -mkdir $dbroot - -echo "==> Mounting new pacman db..." -mount -o loop $pacmandb $dbroot - -echo "==> md5sum'ing the new database..." -find $dbroot -type f | sort | xargs md5sum >/tmp/pacsums.new - -echo "==> checking integrity..." -diff /tmp/pacsums.old /tmp/pacsums.new >/dev/null 2>&1 -if [ $? -ne 0 ]; then - # failed, move the old one back into place - umount $dbroot - rm $pacmandb - mv $dbroot.bak $dbroot - die_r "integrity check FAILED, reverting to old database" -fi - -echo "==> Updating /etc/fstab to reflect changes..." -echo "$pacmandb $dbroot ext2 loop,defaults 0 0" >> /etc/fstab - -rm -f /tmp/pacman.lck /tmp/pacsums.old /tmp/pacsums.new - -echo -echo "Finished. Your pacman database has been caged!. May the speedy pacman be with you." -echo - -exit 0 |