# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 1292868540 21600
# Node ID 09cde75e06134976d6ff7c12a72a6c1ccffca24f
# Parent  be7e8e9bc5e5d0bea81ca37c5bea3603e5fd9d85
templater: give slightly nicer error for unknown map entries

diff -r be7e8e9bc5e5 -r 09cde75e0613 mercurial/templater.py
--- a/mercurial/templater.py	Tue Dec 07 22:14:43 2010 -0600
+++ b/mercurial/templater.py	Mon Dec 20 12:09:00 2010 -0600
@@ -214,6 +214,8 @@
         if not t in self.cache:
             try:
                 self.cache[t] = open(self.map[t][1]).read()
+            except KeyError, inst:
+                raise util.Abort(_('"%s" not in template map') % inst.args[0])
             except IOError, inst:
                 raise IOError(inst.args[0], _('template file %s: %s') %
                               (self.map[t][1], inst.args[1]))
diff -r be7e8e9bc5e5 -r 09cde75e0613 tests/test-command-template.t
--- a/tests/test-command-template.t	Tue Dec 07 22:14:43 2010 -0600
+++ b/tests/test-command-template.t	Mon Dec 20 12:09:00 2010 -0600
@@ -449,7 +449,7 @@
 
   $ echo 'q = q' > t
   $ hg log --style ./t
-  abort: ./t: no key named 'changeset'
+  abort: "changeset" not in template map
   [255]
 
 Error if include fails: