* start a clean command to remove somehow stale locks

pisi/cli/commands.py

@@ -193,6 +193,20 @@ If run without parameters, it prints the general help."""
         
         self.finalize()
 
+class Clean(Command):
+    """Clean stale locks."""
+
+    __metaclass__ = autocommand
+
+    def __init__(self):
+        super(Clean, self).__init__()
+
+    name = ("clean", None)
+
+    def run(self):
+        self.init()
+        pisi.util.clean_locks()
+        self.finalize()
         
 def buildno_opts(self):
     self.parser.add_option("", "--ignore-build-no", action="store_true",

pisi/util.py

@@ -358,6 +358,14 @@ def partition_freespace(directory):
     st = os.statvfs(directory)
     return st[statvfs.F_BSIZE] * st[statvfs.F_BFREE]
 
+def clean_locks(top = '.'):
+    for root, dirs, files in os.walk(top):
+        for fn in files:
+            if fn.endswith('.lock'):
+                path = os.path.join(root, fn)
+                ctx.ui.info('Removing lock %s\n', path)
+                os.unlink(path)
+
 ########################################
 # Package/Repository Related Functions #
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