# HG changeset patch
# User Benoit Boissinot <benoit.boissinot@ens-lyon.org>
# Date 1263242644 -3600
# Node ID 9df52218810dd163b1f09b7b23021eaeef28ab45
# Parent  056c366fea8c8b46b745fde2d0acba96eee9b7e7
shrink-revlog: avoid cryptic error when used as an extension

When shrink-revlog is used as an extension, it would produce an error when
switching back to stable because the script will try to execute itself.

diff -r 056c366fea8c -r 9df52218810d contrib/shrink-revlog.py
--- a/contrib/shrink-revlog.py	Mon Jan 11 21:40:19 2010 +0100
+++ b/contrib/shrink-revlog.py	Mon Jan 11 21:44:04 2010 +0100
@@ -212,7 +212,8 @@
           'Running \'hg verify\' is strongly recommended.)\n'
           % (oldindexfn, olddatafn))
 
-try:
-    main()
-except KeyboardInterrupt:
-    sys.exit("interrupted")
+if __name__ == "__main__":
+    try:
+        main()
+    except KeyboardInterrupt:
+        sys.exit("interrupted")