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#!/bin/sh

# lh_chroot_local-patches(1) - apply local patches against chroot
# Copyright (C) 2006-2008 Daniel Baumann <daniel@debian.org>
#
# live-helper 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
LH_BASE="${LH_BASE:-/usr/share/live-helper}"

for FUNCTION in "${LH_BASE}"/functions/*.sh
do
	. "${FUNCTION}"
done

# Setting static variables
DESCRIPTION="apply local patches against chroot"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

# Reading configuration files
Read_conffile 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/bootstrap

# Checking stage file
Check_stagefile .stage/chroot_local-patches

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

if ls -A config/chroot_local-patches/ | grep -qs . > /dev/null 2>&1
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 ${PATCH}..."
		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