live-build/scripts/build/chroot_hooks

#!/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
. "${LH_BASE:-/usr/share/live/build}"/scripts/build.sh

# Setting static variables
DESCRIPTION="$(Echo 'execute hooks in chroot')"
HELP=""
USAGE="${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 executing hooks..."

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

# Checking stage file
Check_stagefile .stage/chroot_hooks

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

# Processing hooks
HOOKS="$(echo ${LH_HOOKS} ${LH_PACKAGES_LISTS} ${LH_TASKS} | sed -e 's| |\n|g' | sort -u)"

for HOOK in ${HOOKS}
do
	if [ -f ${LH_BASE:-/usr/share/live/build}/hooks/"${HOOK}" ]
	then
		# Copying hook
		cp ${LH_BASE:-/usr/share/live/build}/hooks/"${HOOK}" chroot/root

		# Making hook executable
		if [ ! -x chroot/root/"${HOOK}" ]
		then
			chmod +x chroot/root/"${HOOK}"
		fi

		# Executing hook
		Chroot chroot "./root/${HOOK}" || ( Echo_error "${HOOK} failed (exit non-zero). You should check for errors."; exit 1 )

		# Removing hook
		rm -f chroot/root/"${HOOK}"

		# Creating stage file
		Create_stagefile .stage/chroot_hooks
	fi
done