live-build/scripts/build/binary_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 binary"
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 distribution hooks

# Running hooks
for _HOOK in ${LB_BINARY_HOOKS}
do
	for LOCATION in "${LIVE_BUILD}/hooks" /usr/share/live/build/hooks
	do
		for FILE in "${LOCATION}"/????-"${_HOOK}".binary
		do
			if [ -e "${FILE}" ]
			then
				cd binary
				"${FILE}" || { Echo_error "${_HOOK} failed (exit non-zero). You should check for errors."; exit 1 ;}
				cd "${OLDPWD}"
			fi
		done
	done
done

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

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

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

# Creating stage file
Create_stagefile