Makefile.xenial

DPKG_ARCH := $(shell dpkg --print-architecture)
RELEASE := xenial
ENV := DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true LC_ALL=C LANG=C

ifneq (,$(findstring amd64,$(DPKG_ARCH)))
PACKAGE := linux-signed-generic
endif

install : KVERS = $(shell ls -1 chroot/boot/vmlinuz-*| tail -1 |sed 's/^.*vmlinuz-//;s/.efi.signed$$//')

all:
	debootstrap --variant=minbase $(RELEASE) chroot
	cp /etc/apt/sources.list chroot/etc/apt/sources.list
	echo "deb http://ppa.launchpad.net/snappy-dev/image/ubuntu xenial main" >> chroot/etc/apt/sources.list
	# @echo "Will install kernel $(PACKAGE)"
	mkdir -p chroot/etc/initramfs-tools/conf.d
	echo "COMPRESS=lzma" >chroot/etc/initramfs-tools/conf.d/ubuntu-core.conf
	$(ENV) chroot chroot apt-get -y update
	$(ENV) chroot chroot apt-get -y --allow-unauthenticated install initramfs-tools-ubuntu-core linux-firmware xz-utils crda
	mount --bind /proc chroot/proc
	mount --bind /sys chroot/sys
	# $(ENV) chroot chroot apt-get -y --allow-unauthenticated install $(PACKAGE)
	if [ "x$(LOCAL_KERNEL_PATH)" != "x" ]; then \
		cp $(LOCAL_KERNEL_PATH)/linux-image-*.deb chroot/; \
		ls chroot/*.deb | sed 's/^chroot\///' | $(ENV) xargs chroot chroot dpkg -i; \
	fi
	umount chroot/sys
	umount chroot/proc

install:
	mkdir -p $(DESTDIR)/lib $(DESTDIR)/meta $(DESTDIR)/firmware $(DESTDIR)/modules
	cp -ar chroot/boot/vmlinu?-* $(DESTDIR)/kernel.img;
	cp -ar chroot/boot/initrd.img-* $(DESTDIR)/initrd.img
	# copy meta data into the snap
	cp -ar chroot/boot/abi-* chroot/boot/System.map-* chroot/boot/config-* $(DESTDIR)/
	# copy modules and firmware
	cp -a chroot/lib/modules/* $(DESTDIR)/modules/
	cp -a chroot/lib/firmware/* $(DESTDIR)/firmware/
	# copy all licenses into the snap
	cp /usr/share/common-licenses/GPL-2 $(DESTDIR)/
	mv chroot/usr/share/doc/linux-firmware/copyright $(DESTDIR)/firmware/
	mv chroot/usr/share/doc/linux-firmware/licenses $(DESTDIR)/firmware/
	# create all links
	cd $(DESTDIR)/lib; ln -s ../firmware .
	cd $(DESTDIR)/lib; ln -s ../modules .
	cd $(DESTDIR); ln -s kernel.img vmlinuz-$(KVERS)
	cd $(DESTDIR); ln -s kernel.img vmlinuz
	cd $(DESTDIR); ln -s initrd.img initrd.img-$(KVERS)