PKG_NAME=lxc-docker
PKG_ARCH=amd64
PKG_VERSION=1
ROOT_PATH:=$(PWD)
BUILD_PATH=build	# Do not change, decided by dpkg-buildpackage
BUILD_SRC=build_src
GITHUB_PATH=src/github.com/dotcloud/docker
INSDIR=usr/bin
SOURCE_PACKAGE=$(PKG_NAME)_$(PKG_VERSION).orig.tar.gz
DEB_PACKAGE=$(PKG_NAME)_$(PKG_VERSION)_$(PKG_ARCH).deb
EXTRA_GO_PKG=./auth

TMPDIR=$(shell mktemp -d -t XXXXXX)


# Build a debian source package
all: clean build_in_deb

build_in_deb:
	echo "GOPATH = " $(ROOT_PATH)
	mkdir bin
	cd $(GITHUB_PATH)/docker; GOPATH=$(ROOT_PATH) go build -o $(ROOT_PATH)/bin/docker

# DESTDIR provided by Debian packaging
install:
	# Call this from a go environment (as packaged for deb source package)
	mkdir -p $(DESTDIR)/$(INSDIR)
	mkdir -p $(DESTDIR)/etc/init
	install -m 0755 bin/docker $(DESTDIR)/$(INSDIR)
	install -o root -m 0755 etc/docker.upstart $(DESTDIR)/etc/init/docker.conf

$(BUILD_SRC): clean
	# Copy ourselves into $BUILD_SRC to comply with unusual golang constraints
	tar --exclude=*.tar.gz --exclude=checkout.tgz -f checkout.tgz -cz *
	mkdir -p $(BUILD_SRC)/$(GITHUB_PATH)
	tar -f checkout.tgz -C $(BUILD_SRC)/$(GITHUB_PATH) -xz
	cd $(BUILD_SRC)/$(GITHUB_PATH)/docker; GOPATH=$(ROOT_PATH)/$(BUILD_SRC) go get -d
	for d in `find $(BUILD_SRC) -name '.git*'`; do rm -rf $$d; done
	# Populate source build with debian stuff
	cp -R -L ./deb/* $(BUILD_SRC)

$(SOURCE_PACKAGE): $(BUILD_SRC)
	rm -f $(SOURCE_PACKAGE)
	# Create the debian source package
	tar -f $(SOURCE_PACKAGE) -C ${ROOT_PATH}/${BUILD_SRC} -cz .

# Build deb package fetching go dependencies and cleaning up git repositories
deb: $(DEB_PACKAGE)

$(DEB_PACKAGE): $(SOURCE_PACKAGE)
	# dpkg-buildpackage looks for source package tarball in ../
	cd $(BUILD_SRC); dpkg-buildpackage
	rm -rf $(BUILD_PATH) debian/$(PKG_NAME)* debian/files

debsrc: $(SOURCE_PACKAGE)

# Build local sources
#$(PKG_NAME): build_local

build_local:
	-@mkdir -p bin
	cd docker && go build -o ../bin/docker

gotest:
	@echo "\033[36m[Testing]\033[00m docker..."
	@sudo -E GOPATH=$(ROOT_PATH)/$(BUILD_SRC) go test -v . $(EXTRA_GO_PKG) && \
		echo -n "\033[32m[OK]\033[00m" || \
		echo -n "\033[31m[FAIL]\033[00m"; \
		echo " docker"
	@sudo rm -rf /tmp/docker-*

clean:
	rm -rf $(BUILD_PATH) debian/$(PKG_NAME)* debian/files $(BUILD_SRC) checkout.tgz bin