#!/bin/sh -e
# Move a port between categories, updating everything that depends on it.
eval `garstow config`
cd $gar_dir
if [ "$1" = "" -o "$2" = "" ] ; then
	echo "Usage: mvport source dest"
	exit 1
fi
if [ ! -e "$1" ] ; then
	echo "$1 does not exist"
	exit 1
fi
if [ -e "$2" ] ; then
	echo "$2 already exists"
	exit 1
fi
darcs mv "$1" "$2"
find . -maxdepth 3 -mindepth 3 -name Makefile -not -path '*/_darcs/*' | xargs perl -i -pe 's,\b'"$1"'\b,'"$2"',g'
perl -i -pe '$c = "'"$2"'"; $c =~ s,/.*,,; s,^(CATEGORIES =).*,$1 $c,' "$2/Makefile"