print tags in compact template.

mercurial/commands.py

@@ -378,12 +378,12 b' class changeset_templater(object):'
             startname = 'start_' + names
             if startname in self.t:
                 yield self.t(startname, **args)
-            def one(v):
+            def one(v, tag=name):
                 try:
                     vargs.update(v)
                 except ValueError:
                     vargs.update([(name, v)])
-                return self.t(name, **vargs)
+                return self.t(tag, **vargs)
             lastname = 'last_' + name
             if lastname in self.t:
                 last = values.pop()
@@ -392,8 +392,7 b' class changeset_templater(object):'
             for v in values:
                 yield one(v)
             if last is not None:
-                name = lastname
-                yield one(last)
+                yield one(last, tag=lastname)
             endname = 'end_' + names
             if endname in self.t:
                 yield self.t(endname, **args)

templates/map-log.compact

@@ -1,4 +1,7 b''
-template = '{rev}{parents}   {node|short}   {date|isodate}   {author|user}\n  {desc|firstline|strip}\n\n'
+template = '{rev}{tags}{parents}   {node|short}   {date|isodate}   {author|user}\n  {desc|firstline|strip}\n\n'
+start_tags = '['
+tag = '{tag},'
+last_tag = '{tag}]'
 start_parents = ':'
 parent = '{rev},'
 last_parent = '{rev}'