# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 2005-07-10 18:38:50
# Node ID f8098ae9f5b6d7686863df68f5e4da210490e103
# Parent  22bc6fb9aefc43c3a29db13f0d5fbe1790aeede5

Generate a friendlier except for failed lookups

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Generate a friendlier except for failed lookups

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diff --git a/mercurial/hg.py b/mercurial/hg.py
--- a/mercurial/hg.py
+++ b/mercurial/hg.py
@@ -608,7 +608,10 @@ class localrepository:
         try:
             return self.tags()[key]
         except KeyError:
-            return self.changelog.lookup(key)
+            try:
+                return self.changelog.lookup(key)
+            except:
+                raise RepoError("unknown revision '%s'" % key)
 
     def dev(self):
         if self.remote: return -1