template: allow unquoted int function arguments

mercurial/templater.py

@@ -66,7 +66,10 @@ def tokenizer(data):
                     break
                 pos += 1
             sym = program[s:pos]
-            yield ('symbol', sym, s)
+            try:
+                yield('string', str(int(sym)), s)
+            except ValueError:
+                yield ('symbol', sym, s)
             pos -= 1
         elif c == '}':
             pos += 1

tests/test-command-template.t

@@ -1360,6 +1360,12 @@ Age filter:
   $ hg log -l1 --template '{date|age}\n'
   7 years from now
 
+Filter with int function argument:
+
+  $ hg log --template '{fill(author, 20)}\n' -r 0
+  User Name
+  <user@hostname>
+
 Error on syntax:
 
   $ echo 'x = "f' >> t