#!/bin/bash
#
#  Collect .pot files from a set of source packages and place them in
#  a specified output directory.
#

outdir=$1
shift

if [ -z "$outdir" ] ; then
	echo usage: `basename $0` output_directory sourcerpm '[...]'
	exit 1
fi

tmpdir=`mktemp -d ${TMPDIR:-/tmp}/collect-potfilesXXXXXX`
if [ -z "$tmpdir" ] ; then
	echo error creating tmpdir
	exit 1
fi

exec < /dev/null

cleanup()
{
	rm -fr $tmpdir
}
trap cleanup PIPE INT KILL TERM

for sourcepackage in $@ ; do
	rpm \
		--define "_topdir $tmpdir" \
		--define "_sourcedir $tmpdir" \
		--define "_specdir $tmpdir" \
		--define "_builddir $tmpdir" \
		--define "_srpmdir $tmpdir" \
		--define "_rpmdir $tmpdir" \
		-U $sourcepackage > /dev/null 2> /dev/null &&
	rpmbuild  \
		--define "_topdir $tmpdir" \
		--define "_sourcedir $tmpdir" \
		--define "_specdir $tmpdir" \
		--define "_builddir $tmpdir" \
		--define "_srpmdir $tmpdir" \
		--define "_rpmdir $tmpdir" \
		-bp $tmpdir/*.spec > /dev/null 2> /dev/null
	for potfile in `find $tmpdir -name "*.pot"`; do
		basename $potfile
		cp -f $potfile $outdir/
	done
	chmod -R u+rw $tmpdir/*
	rm -fr $tmpdir/*
done

cleanup