#!/bin/sh

prog=genpkg

libd=~/lib/genpkg
tweakd=~/pkg/tweaks
pkgd=~/pkg/dest
vard=~/var

if [ $# -lt 1 ]
then
	echo "usage: $prog [package name]" 1>&2
	exit 1
fi

if ! [ -d "$tweakd" ]
then
	echo "$prog: bad package tweaks dir: $tweakd" 1>&2
	exit 2
fi

if ! [ -d "$pkgd" ]
then
	echo "$prog: bad package dest dir: $pkgd" 1>&2
	exit 2
fi

if ! [ -d "$vard" ]
then
	echo "$prog: bad package var dir: $vard" 1>&2
	exit 2
fi

cwd=$(pwd)
set -e

for pkg
do
	[ -d "$pkgd/$pkg" ] || mkdir "$pkgd/$pkg"
	cd "$pkgd/$pkg"

	METABIN=$libd/metas PKGVAR=$vard makepkgmeta "$pkg" >PKGMETA
	echo "Generated $pkgd/$pkg/PKGMETA"

	twk=$libd/tweakd/$pkg
	if [ -f "$twk" -a -r "$twk" ]
	then
		tweakmeta >PKGMETA.new <$twk
		mv PKGMETA.new PKGMETA
		echo "Tweaked PKGMETA with $tweakd/$pkg."
	fi

	TDIR=$libd/templ makepkgbuild
	echo "Generated $pkgd/$pkg/PKGBUILD"
done