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#
# This makefile generates a Snapcraft 2.0 linux-generic amd64 based snap.
#
#
# Copyright (c) 2015 Canonical
#
# Author: Tim Gardner <tim.gardner@canonical.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
#
#
# Set an environment variable if you have an archive proxy
# such as apt-cacher-ng, e.g., 127.0.0.1:3142
#
MIRROR?=http://archive.ubuntu.com/ubuntu/
#
# Install the Snappy PPA in order to pick up advanced features.
#
SNAPPY_PPA?=ppa:snappy-dev/image
#
# Add PPA(s) to perhaps pull in a non-archive kernel package.
#
MY_PPAS?=
LINUX_FLAVOUR?=linux-signed-image-generic
BOOTLOADER?=grub-efi
ARCH?=amd64
SUITE?=xenial
CURRDIR=$(shell pwd)
CHROOT=chroot
KDIR=kern
KERN=$(KDIR)
META=$(KERN)/meta
YAML=$(META)/snap.yaml
README=$(META)/readme.md
LIB=$(KERN)/lib
MODULES=$(LIB)/modules
FIRMWARE=$(LIB)/firmware
PPAS=$(foreach p, $(SNAPPY_PPA) $(MY_PPAS), -p $p )
BOOT_FILES = abi config initrd System vmlinuz
LIB_FILES = modules firmware
.PHONY: snap
all: snap
#
# Fetch the rootstock script from the master branch.
# Dirty tricks done dirt cheap.
#
rootstock: ORIGIN=$(shell git remote show origin | grep "Fetch URL:" | sed 's/^.*Fetch URL://')
rootstock:
rm -rf tmp
mkdir tmp
cd tmp; \
git clone $(ORIGIN) rootstock; \
cd rootstock; \
cp rootstock $(CURRDIR)
rm -rf tmp
build_chroot: rootstock
sudo sh ./rootstock -a $(ARCH) -f $(LINUX_FLAVOUR) -m $(MIRROR) -s $(SUITE) -b $(BOOTLOADER) $(PPAS) -k
sudo chmod +r $(CHROOT)/boot/*
snap: clean
$(MAKE) build_chroot
#
mkdir -p $(KERN)
mkdir -p $(META)
#
echo "name: ubuntu-kernel-$(ARCH)" > $(YAML)
echo "version: $(shell date '+%Y.%m.%d')" >> $(YAML)
echo "summary: The ubuntu-core $(ARCH) kernel snap" >> $(YAML)
echo "architectures: [$(ARCH)]" >> $(YAML)
echo "type: kernel" >> $(YAML)
echo "" >> $(YAML)
#
cp $(CHROOT)/boot/vmlinuz* $(KERN)
echo -n "kernel: " >> $(YAML)
(cd $(KERN); ls -1 vmlinuz-*|tail -n1) >> $(YAML)
ln -sf `grep '^kernel: ' $(YAML) | awk '{print $$2}'` $(KERN)/vmlinuz
#
cp $(CHROOT)/boot/initrd* $(KERN)
echo -n "initrd: " >> $(YAML)
(cd $(KERN); ls -1 initrd*) >> $(YAML)
ln -sf `grep '^initrd: ' $(YAML) | awk '{print $$2}'` $(KERN)/initrd.img
#
mkdir -p $(MODULES)
rsync -a $(CHROOT)/lib/modules/ $(MODULES)/
echo -n "modules: " >> $(YAML)
(cd $(KERN); ls -d lib/modules/*) >> $(YAML)
#
mkdir -p $(FIRMWARE)
rsync -a $(CHROOT)/lib/firmware/ $(FIRMWARE)/
echo "firmware: lib/firmware" >> $(YAML)
#
[ -f /usr/bin/mksquashfs ] || [ sudo apt-get install squashfs-tools ]
fakeroot snappy build --squashfs $(KERN)
clean:
sudo rm -rf $(KERN) *.snap *.log
distclean: clean
sudo sh ./rootstock -c
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