live-build/examples/hooks/all_binary_debian-installer...

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#!/bin/sh
# This is an binary hook for live-helper(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