.PHONY: control

VERSION=7.3.0
MINOR=v6

help:
	@echo
	@echo "make all     # to attempt to download, extract and build the .deb package"
	@echo "make raw     # to build a .deb using 'tar' and 'ar'"
	@echo

all: download clean extract build

raw: download clean extract raw

clean:
	rm -rf .debian/files/opt/
	rm -rf files/opt files/DEBIAN/control
	rm -f *.deb
	rm -f control.tar.xz data.tar.xz

download:
	wget -c https://releases.mattermost.com/${VERSION}/mattermost-${VERSION}-linux-amd64.tar.gz

extract:
	mkdir -p .debian/files/opt/
	cd .debian/files/opt/ && tar xfz ../../../mattermost-${VERSION}-linux-amd64.tar.gz
	mkdir -p files/opt/
	cd files/opt/ && tar xfz ../../mattermost-${VERSION}-linux-amd64.tar.gz

# update the bash-completion script
bash-completion:
	mattermost completion bash > .debian/files/etc/bash_completion.d/mattermost

control:
	mkdir -p files/DEBIAN
	cp control files/DEBIAN/
	echo Version: ${VERSION}.${MINOR} >>files/DEBIAN/control

build: control
	dpkg-deb --build files mattermost_${VERSION}.${MINOR}_amd64.deb
	dpkg-deb --info mattermost_${VERSION}.${MINOR}_amd64.deb

# how to make a debian package "raw" just using tar and ar
raw: control
	cd files/DEBIAN && tar --ignore-failed-read -cvJf ../../control.tar.xz preinst md5sums control
	cd files && tar -cvJf ../data.tar.xz .
	ar rcs mattermost_${VERSION}.${MINOR}_amd64.deb debian-binary control.tar.xz data.tar.xz
	dpkg-deb --info mattermost_${VERSION}.${MINOR}_amd64.deb