[PATCH 4 of 4] templater: add 'convert_source' keyword

[Dan Villiom Podlaski Christiansen]

# HG changeset patch
# User Dan Villiom Podlaski Christiansen <danchr at gmail.com>
# Date 1283434242 -7200
# Node ID 5dea8cc1efcd6bf0272f7f956552c6306677426f
# Parent  76b7a9941a452216062b5775e6c1cf066244c72f
templater: add 'convert_source' keyword.

diff --git a/mercurial/templatekw.py b/mercurial/templatekw.py
--- a/mercurial/templatekw.py
+++ b/mercurial/templatekw.py
@@ -243,6 +243,10 @@ def showtransplantsource(**args):
     src = args['ctx'].extra().get('transplant_source', None)
     return showlist('transplant_source', src and [hex(src)] or [], **args)
 
+def showconvertsource(**args):
+    src = args['ctx'].extra().get('convert_revision', None)
+    return showlist('convert_source', src and [src] or [], **args)
+
 # keywords are callables like:
 # fn(repo, ctx, templ, cache, revcache, **args)
 # with:
@@ -272,5 +276,6 @@ keywords = {
     'rev': showrev,
     'tags': showtags,
     'transplant_source': showtransplantsource,
+    'convert_source': showconvertsource,
 }
 
diff --git a/tests/test-convert-hg-startrev.t b/tests/test-convert-hg-startrev.t
--- a/tests/test-convert-hg-startrev.t
+++ b/tests/test-convert-hg-startrev.t
@@ -9,7 +9,8 @@
 
   $ glog()
   > {
-  >     hg -R "$1" glog --template '{rev} "{desc}" files: {files}\n'
+  >     hg -R "$1" glog --template \
+  >         '{rev} "{desc}" files: {files}\nsource: {convert_source}\n'
   > }
 
   $ hg init source
@@ -73,7 +74,7 @@ Convert from zero revision
   o |  1 "1: add c" files: c
   |/
   o  0 "0: add a b" files: a b
-  
+     source: 83b9ec4abfaf46e22378d01514190ddb925f7b62
 Convert from merge parent
 
   $ hg convert --config convert.hg.startrev=1 source conv1
@@ -94,7 +95,7 @@ Convert from merge parent
   o  1 "2: copy e from a, change b" files: b e
   |
   o  0 "1: add c" files: a b c
-  
+     source: d67172394796a5665dee7ed219111c749c4b5135
   $ cd conv1
 
 Check copy preservation
@@ -140,7 +141,7 @@ Convert from merge
   o  1 "5: change a" files: a
   |
   o  0 "4: merge 2 and 3, copy d from b" files: a b c d e
-  
+     source: 20648c59b51f5195515b182aed3d4a36271b750a
   $ cd conv4
   $ hg up -C
   5 files updated, 0 files merged, 0 files removed, 0 files unresolved