#!/usr/bin/python
#
# Script to clean up stale entries from the portage dependency cache
#
# Copyright 2005 Sven Wegener <swegener@gentoo.org>
# Distributed under the terms of the GNU General Public License v2
#
# $Id: cleandepcache 22 2005-06-01 21:13:17Z sven $
#

import portage

auxdbmodule = portage.settings.load_best_module("portdbapi.auxdbmodule")
eclassdbmodule = portage.settings.load_best_module("eclass_cache.dbmodule")

settings = portage.config(clone = portage.settings)
settings["PORTDIR_OVERLAY"] = ""

for porttree in [portage.settings["PORTDIR"]] + portage.settings["PORTDIR_OVERLAY"].split():
	print porttree

	portdbapi = portage.portdbapi(porttree, settings)

	for category in portage.settings.categories:
		auxdb = auxdbmodule(portage.settings.depcachedir + "/" + porttree, category, portage.auxdbkeys, portage.uid, portage.portage_gid)
		eclassdb = eclassdbmodule(portage.settings.depcachedir + "/" + porttree, category + "-eclass", [], portage.uid, portage.portage_gid)

		for db, dbname in [[auxdb, "auxdb"], [eclassdb, "eclassdb"]]:
			for pf in db.keys():
				if not portdbapi.cpv_exists(category + "/" + pf):
					print "\t%s/%s => %s" % (category, pf, dbname)
					db.del_key(pf)
			db.close()