[PATCH STABLE] templater: evaluate arguments passed to diff() appropriately

Yuya Nishihara yuya at tcha.org
Sat Jun 13 09:48:50 CDT 2015


# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1434194062 -32400
#      Sat Jun 13 20:14:22 2015 +0900
# Branch stable
# Node ID 40e52412326d4235869f8b0e430dc2e7d39676ca
# Parent  7298da81f5a9f64ebbdef2b2195585a65da0f99e
templater: evaluate arguments passed to diff() appropriately

Before this patch, diff() crashed by passing non-string expression because
it didn't evaluate arguments at all.

diff --git a/mercurial/templater.py b/mercurial/templater.py
--- a/mercurial/templater.py
+++ b/mercurial/templater.py
@@ -248,7 +248,7 @@ def diff(context, mapping, args):
 
     def getpatterns(i):
         if i < len(args):
-            s = args[i][1].strip()
+            s = stringify(args[i][0](context, mapping, args[i][1])).strip()
             if s:
                 return [s]
         return []
diff --git a/tests/test-command-template.t b/tests/test-command-template.t
--- a/tests/test-command-template.t
+++ b/tests/test-command-template.t
@@ -2050,6 +2050,13 @@ Test diff function:
   @@ -0,0 +1,1 @@
   +third
 
+  $ hg log -r 8 -T "{diff('FOURTH'|lower)}"
+  diff -r 29114dbae42b -r 95c24699272e fourth
+  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+  +++ b/fourth	Wed Jan 01 10:01:00 2020 +0000
+  @@ -0,0 +1,1 @@
+  +second
+
   $ cd ..
 
 


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