live-build/scripts/build/binary_linux-image

#!/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="Install linux-image into binary"
USAGE="${PROGRAM} [--force]"

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

if [ "${LB_LINUX_PACKAGES}" = "none" ]
then
	exit 0
fi

Echo_message "Begin install linux-image..."

# Requiring stage file
Require_stagefiles config bootstrap

# Checking stage file
Check_stagefile

# Acquire lock file
Acquire_lockfile

case "${LB_INITRAMFS}" in
	live-boot)
		DESTDIR="binary/live"
		;;

	*)
		DESTDIR="binary/boot"
		;;
esac

case "${LB_ARCHITECTURES}" in
	powerpc)
		LINUX="vmlinux"
		;;

	*)
		LINUX="vmlinuz"
		;;
esac

# Creating directory
mkdir -p "${DESTDIR}"

# Installing linux-image
cp chroot/boot/"${LINUX}"-* "${DESTDIR}"
cp chroot/boot/initrd.img-* "${DESTDIR}" 2>&1 || Echo_message "Skip installing missing initrd."

case "${LB_INITRAMFS}" in
	live-boot)
		if [ -e chroot/usr/share/doc/live-boot/parameters.txt ]
		then
			cp chroot/usr/share/doc/live-boot/parameters.txt "${DESTDIR}"/parameters
		fi
		;;
esac

# Creating stage file
Create_stagefile