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diff hgext/convert/common.py @ 8691:a0a541d6fed6

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convert: fail fast if source does not support --sourcesort
author Patrick Mezard <pmezard@gmail.com>
date Mon, 01 Jun 2009 17:12:39 +0200
parents c5b4f662109f
children 68e0a55eee6e
line wrap: on
line diff
--- a/hgext/convert/common.py	Mon Jun 01 17:12:39 2009 +0200
+++ b/hgext/convert/common.py	Mon Jun 01 17:12:39 2009 +0200
@@ -137,6 +137,13 @@
         '''Notify the source that a revision has been converted.'''
         pass
 
+    def hasnativeorder(self):
+        """Return true if this source has a meaningful, native revision
+        order. For instance, Mercurial revisions are store sequentially
+        while there is no such global ordering with Darcs.
+        """
+        return False
+
 
 class converter_sink(object):
     """Conversion sink (target) interface"""