#!/bin/bash

repreproDir="/var/cache/reprepro"
codename="stable"

while read oldrev newrev ref
do
	if [[ ! $ref =~ .*/master$ ]]
	then
		echo "Ref $ref received. Doing nothing."
		continue
	fi

	echo "Master ref received. Deploying master branch to production."

	buildDir="/tmp/git-deploy/$newrev"
	srcDir="$buildDir/src"

	echo "Exporting to a temporary directory."

	rm -rf "$buildDir"
	mkdir -p "$srcDir"
	git --work-tree="$srcDir" --git-dir="$PWD" checkout -f

	echo "Building Debian packages."

	(cd $srcDir && debuild -uc -us -b)

	echo "Uploading Debian packages."

	cut -d" " -f1 $srcDir/debian/files |
	while read debFile
	do
		if [[ ! $debFile =~ .*\.deb$ ]]
		then
			continue
		fi

		echo "Uploading $debFile."
		reprepro -b $repreproDir includedeb $codename "$buildDir/$debFile"
	done

	echo "Cleaning temporary directory."

	rm -rf "$buildDir"
done