#!/bin/sh

# This is an binary hook for live-build(7) to overwrite the banner
# in the graphical Debian Installer.
# To enable it, copy or symlink this hook into your config/binary_local-hooks
# directory and add a replacement banner.png at:
#
#  config/binary_local-includes/binary/install/banner.png
#
# The file should be a PNG image of dimensions 800 x 75.

set -e

if [ -e config/binary_debian-installer/banner.png ]
then
	TARGET_INITRD="binary/install/gtk/initrd.gz"
	REPACK_TMPDIR="binary.initrd"

	if [ -e "${TARGET_INITRD}" ]
	then
		# cpio does not have a "extract to directory", so we must change
		# directory
		mkdir -p ${REPACK_TMPDIR}
		cd ${REPACK_TMPDIR}
		gzip -d < ../${TARGET_INITRD} | cpio -i --make-directories --no-absolute-filenames

		# Overwrite banner
		cp ../config/binary_debian-installer/banner.png ./usr/share/graphics/logo_debian.png

		find | cpio -H newc -o | gzip -9 > ../${TARGET_INITRD}
		cd ..
		rm -rf ${REPACK_TMPDIR}
	fi
fi