unity-builder.sh

#!/bin/bash
# Dirty script to build Unity under ArchLinux
# Thanks for PKGBUILDs, chenxiaolong!
# Valdos Sine <fat0troll at riseup dot net> 2012
# Pratik Sinha <pratik at humbug dot in> 2012

echo "Run it in directory which will be build root ;)"
echo "Make sure you're have sudo without password or you will stuck in every package installation"
echo "GO!"
sudo pacman -Sy
sudo abs
del_old_dirs() {
	for dir in $1/*/
	do
			dir=${dir%*/}
			if [ ! -f $dir/PKGBUILD ]; then
				rm -rf $1/${dir##*/}
			fi
	done
}

del_old_packages() {
	unset pkgname pkgver pkgrel
	if [ -f PKGBUILD ]; then
		source PKGBUILD
		BUILD=0
		for i in ${pkgname[@]}
		do
				 #echo $i # or do whatever with individual element of the array
				 #echo $i-$pkgver-$pkgrel-$(uname -m).pkg.tar.xz 
				 if [ "$arch" != "any" ]; then
					 arch=$(uname -m)
				 fi
				 if [ "$i" = "xorg-server-devel-ubuntu" ]; then
					 arch="any";
				 fi
				 echo $i-$pkgver-$pkgrel-${arch}.pkg.tar.xz 
				 if [ ! -f $i-$pkgver-$pkgrel-${arch}.pkg.tar.xz ]; then
					 BUILD=1
				 fi
		done

		if [ $BUILD = 1 ]; then
			mkdir -p ~/oldpkgs
			mv *.pkg.tar.xz ~/oldpkgs
		fi
	fi
}

pull_changes_unity() {
	# Checking main repo...
	if [ -d Unity-for-Arch ] ; then
		echo "All OK"
		cd Unity-for-Arch/
		git pull --no-rebase
		cd -
		del_old_packages Unity-for-Arch
	else
		echo "There is no PKGBUILD main repo, checking..."
		git clone https://github.com/chenxiaolong/Unity-for-Arch.git
	fi
}

pull_changes_unity_extra() {

	# Checking extra repo...

	if [ -d Unity-for-Arch-Extra ] ; then
		echo "All EXTRA OK"
		cd Unity-for-Arch-Extra/
		git pull --no-rebase
		cd -
		del_old_packages Unity-for-Arch-Extra
	else
		echo "There is no PKGBUILD extra repo, checking..."
		git clone https://github.com/chenxiaolong/Unity-for-Arch-Extra.git
	fi
}

containsElement () {
  local e
  for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
  return 1
}

build_main()
{
	cd Unity-for-Arch/
	MAINPKGS=`cat README | grep [0-9]: | grep -v '*' |  cut -d ' ' -f 2`
	# Yes, I have removed optional packages. You can build they by adding it in next option
	MAINPKGS+=" overlay-scrollbar"
	EXCEPTIONS=("fixesproto-ubuntu" "libxfixes-ubuntu" "gsettings-desktop-schemas-ubuntu")
	for i in $MAINPKGS ; do
		cd $i
		del_old_packages
		containsElement "$i" "${EXCEPTIONS[@]}"
		CONTAINS="$?"
		if [ "$CONTAINS" = "1" ]; then
			CONFIRM="--noconfirm"
		else
			unset CONFIRM
		fi
		#need the NOCONFIRM because there are some places which have questions requiring a numeric input
		yes | makepkg -si --nocheck $CONFIRM
		if [ "$?" != "0" ]; then
			set -e
			rm -rf pkg src
			yes | makepkg -si $CONFIRM
			set +e
		fi
		cd ../
	done
	cd ../
}

build_extra()
{
	cd Unity-for-Arch-Extra/
	# There is hardcoded array, just because README in this git is outdated ;-(
	#EXTRAPKGS="humanity-icon-theme ubuntu-mono ubuntu-wallpapers light-themes ubuntu-sounds lightdm-ubuntu accountsservice-ubuntu lightdm-unity-greeter python-defer ubuntu-tweak"
	EXTRAPKGS="`cat README | grep [0-9]: | grep -v '*' |  cut -d ' ' -f 2`"
	for j in $EXTRAPKGS ; do
		cd $j
		yes | makepkg -si --noconfirm
    if [ "$?" != "0" ]; then
      set -e
      rm -rf pkg src
      yes | makepkg -si --noconfirm
      set +e
    fi
		cd ../
	done
	cd ../
}

repo()
{
	ARCH=`uname -m`
	rm -rf unity
	mkdir -p unity/$ARCH
	mkdir -p unity/extra/$ARCH
	find Unity-for-Arch -name *.pkg.tar.xz -exec cp '{}' unity/$ARCH/ \;
	find Unity-for-Arch-Extra -name *.pkg.tar.xz -exec cp '{}' unity/extra/$ARCH/ \;
	pushd unity/$ARCH/
	repo-add ./unity.db.tar.gz ./*.pkg.tar.xz
	popd
	pushd unity/extra/$ARCH/
	repo-add ./unity-extra.db.tar.gz ./*.pkg.tar.xz
	popd
}

pacman -Q qtwebkit &>/dev/null
if [ "$?" == "0" ]; then
	echo "REMOVING QTWEBKIT"
	yes | sudo pacman -Rdd --noconfirm qtwebkit
fi
pacman -Q glib2 &>/dev/null
if [ "$?" == "0" ]; then
	echo "REMOVING GLib2"
	yes | sudo pacman -Rdd --noconfirm glib2
fi
set -e
pull_changes_unity
set +e
build_main
set -e
pull_changes_unity_extra
set +e
build_extra
repo
echo "Done"