Vagrant file to build elliptics

vagrant_elliptics

#!/usr/bin/env bash

set -x

apt-get update
apt-get install -y git-core devscripts gcc g++ equivs gdb

BASE_DIR=`pwd`

ulimit -c unlimited
ulimit -u 100000

function hostname_setup {
	name=`hostname -f`
	hname=`host $name`
	if test $? = 0; then
		return
	fi

	if test x`grep $name /etc/hosts | wc -l` != x0; then
		echo "Hostname is already set"
		return
	fi

	echo "127.0.0.1 $name $name. $name.localdomain" >> /etc/hosts
}

function swap_setup {
	swap_file="/var/tmp/swap.0"
	if ! test -f $swap_file; then
		dd if=/dev/zero of=$swap_file bs=10M count=400
		mkswap $swap_file
	fi
	swapon $swap_file
}

function install {
	pack=$1
	while test x"$pack" != x; do
		echo "Package: $pack"
		if test x`dpkg -l | grep "ii  $pack " | wc -l` = x0; then
			dpkg -i ../$pack*.deb
			if test $? != 0; then
				return 1;
			fi
		fi
		pack=`shift`
	done
}

function update {
	url=$1
	version=$2
	submodule=$3

	cd $BASE_DIR

	dir=`echo -n $url | awk -F "/" {'print $NF'} | awk -F "." {'print $1'}`
	if ! test -d $dir; then
		git clone $url -b $version
	fi

	cd $dir
	git checkout $version

	packages=`grep "Package: " debian/control | awk -F ":" {'print $2'}`

	git remote update
	LOCAL=$(git rev-parse @)
	REMOTE=$(git rev-parse @{u})
	BASE=$(git merge-base @ @{u})

	if [ $LOCAL = $REMOTE ]; then
		echo "Up-to-date"
		install $packages && return 0
	elif [ $LOCAL = $BASE ]; then
		echo "Need to pull"
		git pull
	elif [ $REMOTE = $BASE ]; then
		echo "Need to push"
		exit 1
	else
		echo "Diverged"
		exit 1
	fi

	mk-build-deps -i -r -t "apt-get --no-install-recommends -y"
	if test x"$submodule" = x"submodule"; then
		git submodule init
		git submodule update
	fi

	# remove old package, we have to build a new one
	for pack in $packages; do
		rm -f ../$pack*.deb
	done

	debuild --no-tgz-check -i -us -uc -b
	install $packages
}

swap_setup
hostname_setup

update http://github.com/3Hren/blackhole.git v0.2
update http://github.com/reverbrain/react.git master
update http://github.com/reverbrain/eblob.git master
update http://github.com/cocaine/cocaine-core.git v0.11 submodule
update http://github.com/cocaine/cocaine-framework-native.git v0.11
update http://github.com/reverbrain/elliptics.git master submodule

git rev-parse and git merge-base do not accept @. May be it should be replaced by HEAD?