1 files changed, 36 insertions, 2 deletions

diff --git a/scripts/cleanemptydirs.py b/scripts/cleanemptydirs.py
index 43364eda2..7e5e7fef5 100755
--- a/scripts/cleanemptydirs.py
+++ b/scripts/cleanemptydirs.py
@@ -1,12 +1,46 @@
 #!/usr/bin/env python
 
-"""find empty dirs"""
+"""find empty dirs and check for obsolete package.mask entries"""
 
+from os.path import join, getsize, isfile, isdir
+from sys import stderr
+from portage.versions import pkgsplit
+import portage.env.config
 import os
-from os.path import join, getsize
+
+# find empty directories
 for root, dirs, files in os.walk('.'):
     for ignoredir in ('CVS','.svn','.git','eclass'):
         if ignoredir in dirs:
             dirs.remove(ignoredir)
     if len(dirs)+len(files) == 0:
         print root, "seems to be empty"
+
+
+# find obsolete package.mask entries
+PACKAGE_MASK = join(os.getcwd(), "profiles/package.mask")
+TOCHECK = []
+
+if not isfile(PACKAGE_MASK):
+	print >> stderr, "can't find package.mask, you must be in the overlay root!"
+	exit(1)
+
+PMASK = portage.env.config.PackageMaskFile(PACKAGE_MASK)
+PMASK.load()
+
+for key in PMASK.keys():
+	# remove =, >=, ~ etc.
+	while not key[0].isalpha():
+		key = key[1:]
+	# remove trailing * or . like in: ...-1.4.* or so
+	while key[-1] == "*" or key[-1] == ".":
+		key = key[:-1]
+	
+	if pkgsplit(key):
+		TOCHECK.append(pkgsplit(key)[0])
+	else:
+		TOCHECK.append(key)
+
+for item in TOCHECK:
+	if not isdir(item):
+		print item, "is obsolete"