templatekw: add {changes}, {distance} and {tag} to the {latesttag} keyword

mercurial/templatekw.py

@@ -344,11 +344,7 b' def showlatesttag(**args):'
     """:latesttag: List of strings. The global tags on the most recent globally
     tagged ancestor of this changeset.
     """
-    repo, ctx = args['repo'], args['ctx']
-    cache = args['cache']
-    latesttags = getlatesttags(repo, ctx, cache)[2]
-
-    return showlist('latesttag', latesttags, separator=':', **args)
+    return showlatesttags(None, **args)
 
 def showlatesttags(pattern, **args):
     """helper method for the latesttag keyword and function"""

tests/test-command-template.t

@@ -2690,6 +2690,19 b' Merged tag overrides:'
   1: t1+0
   0: null+1
 
+  $ hg log --template "{rev}: {latesttag % '{tag}+{distance},{changes} '}\n"
+  10: t5+5,5 
+  9: t5+4,4 
+  8: t5+3,3 
+  7: t5+2,2 
+  6: t5+1,1 
+  5: t5+0,0 
+  4: at3+1,1 t3+1,1 
+  3: at3+0,0 t3+0,0 
+  2: t2+0,0 
+  1: t1+0,0 
+  0: null+1,1 
+
   $ hg log --template "{rev}: {latesttag('re:^t[13]$') % '{tag}, C: {changes}, D: {distance}'}\n"
   10: t3, C: 8, D: 7
   9: t3, C: 7, D: 6