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#!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2006-2010 Daniel Baumann <daniel@debian.org>
##
## live-build comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.
set -e
# Including common functions
. "${LB_BASE:-/usr/share/live/build}"/scripts/build.sh
# Setting static variables
DESCRIPTION="$(Echo 'manage /var/lib/dpkg')"
HELP=""
USAGE="${PROGRAM} {install|remove} [--force]"
Arguments "${@}"
# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults
# Requiring stage file
Require_stagefile .stage/config .stage/bootstrap
case "${1}" in
install)
Echo_message "Configuring tmpfs for /var/lib/dpkg"
# Checking stage file
Check_stagefile .stage/chroot_dpkg_tmpfs
# Checking lock file
Check_lockfile .lock
# Creating lock file
Create_lockfile .lock
mv chroot/var/lib/dpkg chroot/var/lib/dpkg.tmp
mkdir chroot/var/lib/dpkg
mount -t tmpfs tmpfs chroot/var/lib/dpkg
mv chroot/var/lib/dpkg.tmp/* chroot/var/lib/dpkg
rm -rf chroot/var/lib/dpkg.tmp
# Creating stage file
Create_stagefile .stage/chroot_dpkg_tmpfs
;;
remove)
Echo_message "Deconfiguring tmpfs for /var/lib/dpkg"
# Checking lock file
Check_lockfile .lock
# Creating lock file
Create_lockfile .lock
mkdir -p chroot/var/lib/dpkg.tmp
mv chroot/var/lib/dpkg/* chroot/var/lib/dpkg.tmp
umount chroot/var/lib/dpkg
rm -rf chroot/var/lib/dpkg
mv chroot/var/lib/dpkg.tmp chroot/var/lib/dpkg
# Removing stage file
rm -f .stage/chroot_dpkg_tmpfs
;;
*)
Usage
;;
esac
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