live-build/scripts/build/lb_chroot_package-lists

#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2006-2012 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
( . "${LIVE_BUILD}/scripts/build.sh" > /dev/null 2>&1 || true ) || . /usr/lib/live/build.sh

# Setting static variables
DESCRIPTION="$(Echo 'queue install of package lists into chroot')"
HELP=""
USAGE="${PROGRAM} {install|live} [--force]"

_PASS="${1}"
shift

Arguments "${@}"

# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults

Echo_message "Begin queueing installation of package lists (${_PASS} pass)..."

# Requiring stage file
Require_stagefile .build/config .build/bootstrap

# Checking stage file
Check_stagefile .build/chroot_package-lists.${_PASS}

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

# Checking depends
Check_package chroot/usr/bin/grep-aptavail dctrl-tools

# Restoring cache
Restore_cache cache/packages.chroot

# Installing depends
Install_package

# Handling local package lists
if ls config/package-lists/*.list > /dev/null 2>&1 || \
   ls config/package-lists/*.list.chroot > /dev/null 2>&1 || \
   ls config/package-lists/*.list.chroot_${_PASS} > /dev/null 2>&1
then
	for LIST in config/package-lists/*.list \
		    config/package-lists/*.list.chroot \
		    config/package-lists/*.list.chroot_${_PASS}
	do
		if [ -e "${LIST}" ]
		then
			# Generating package list
			Expand_packagelist "$(basename ${LIST})" "config/package-lists" \
				>> chroot/root/packages.chroot
		fi
	done

	# Creating stage file
	Create_stagefile .build/chroot_package-lists.${_PASS}
fi

# Saving cache
Save_cache cache/packages.binary

# Removing dctrl-tools again if the user has not installed it
if ! grep -qs dctrl-tools chroot/root/packages.chroot
then
	# Removing depends
	Remove_package
fi