live-build/scripts/build/source_hooks

#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2016-2020 The Debian Live team
## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program 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
[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh

# Setting static variables
DESCRIPTION="Execute hooks in source"
USAGE="${PROGRAM} [--force]"

# Processing arguments and configuration files
Init_config_data "${@}"

Echo_message "Begin executing hooks..."

# Requiring stage file
Require_stagefiles config bootstrap

# Checking stage file
Check_stagefile

# Acquire lock file
Acquire_lockfile

## Processing hooks
for HOOK in config/hooks/normal/*.source config/hooks/live/*.source
do
	if [ ! -e "${HOOK}" ]
	then
		continue
	fi

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

	# Executing hook
	Echo_message "Executing hook ${HOOK}..."
	cd source
	../"${HOOK}" || { Echo_error "${HOOK} failed (exit non-zero). You should check for errors."; exit 1 ;}
	cd "${OLDPWD}"
done

# Creating stage file
Create_stagefile