--- a/mercurial/cmdutil.py	Tue Nov 20 14:41:47 2007 +0100
+++ b/mercurial/cmdutil.py	Sat Nov 24 17:56:15 2007 +0100
@@ -571,26 +571,31 @@
         def showcopies(**args):
             c = [{'name': x[0], 'source': x[1]} for x in copies]
             return showlist('file_copy', c, plural='file_copies', **args)
-
+        
+        files = []
+        def getfiles():
+            if not files: 
+                files[:] = self.repo.status(
+                    log.parents(changenode)[0], changenode)[:3]
+            return files
+        # XXX: "files" means "modified files" in debug, "all changed
+        # files" otherwise. This should be fixed and a "file_mods" be
+        # introduced instead.
         if self.ui.debugflag:
-            files = self.repo.status(log.parents(changenode)[0], changenode)[:3]
             def showfiles(**args):
-                return showlist('file', files[0], **args)
-            def showadds(**args):
-                return showlist('file_add', files[1], **args)
-            def showdels(**args):
-                return showlist('file_del', files[2], **args)
-            def showmanifest(**args):
-                args = args.copy()
-                args.update(dict(rev=self.repo.manifest.rev(changes[0]),
-                                 node=hex(changes[0])))
-                return self.t('manifest', **args)
+                return showlist('file', getfiles()[0], **args)
         else:
             def showfiles(**args):
                 return showlist('file', changes[3], **args)
-            showadds = ''
-            showdels = ''
-            showmanifest = ''
+        def showadds(**args):
+            return showlist('file_add', getfiles()[1], **args)
+        def showdels(**args):
+            return showlist('file_del', getfiles()[2], **args)
+        def showmanifest(**args):
+            args = args.copy()
+            args.update(dict(rev=self.repo.manifest.rev(changes[0]),
+                             node=hex(changes[0])))
+            return self.t('manifest', **args)
 
         defprops = {
             'author': changes[1],