#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2006-2011 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="$(Echo 'apply local patches against chroot')"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

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

Echo_message "Begin applying chroot local patches..."

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

# Checking stage file
Check_stagefile .stage/chroot_local-patches

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

if Find_files config/chroot_local-patches/
then
	# Restoring cache
	Restore_cache cache/packages_chroot

	# Checking depends
	Check_package chroot/usr/bin/patch patch

	# Installing depends
	Install_package

	for PATCH in config/chroot_local-patches/*
	do
		Echo_message "Applying patch %s..." "${PATCH}"
		Chroot chroot "patch -p1" < ${PATCH}
	done

	# Removing depends
	Remove_package

	# Saving cache
	Save_cache cache/packages_chroot

	# Creating stage file
	Create_stagefile .stage/chroot_local-patches
fi