revset: bookmark revset interprets 'literal:' prefix correctly (issue4329)

mercurial/revset.py

@@ -449,7 +449,7 b' def bookmark(repo, subset, x):'
                        _('the argument to bookmark must be a string'))
         kind, pattern, matcher = _stringmatcher(bm)
         if kind == 'literal':
-            bmrev = repo._bookmarks.get(bm, None)
+            bmrev = repo._bookmarks.get(pattern, None)
             if not bmrev:
                 raise util.Abort(_("bookmark '%s' does not exist") % bm)
             bmrev = repo[bmrev].rev()

tests/test-bookmarks.t

@@ -98,6 +98,14 b' bookmarks revset'
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     1
   
+  $ hg log -r 'bookmark("literal:X")'
+  changeset:   0:f7b1eb17ad24
+  bookmark:    X
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  summary:     0
+  
+
   $ hg log -r 'bookmark(unknown)'
   abort: bookmark 'unknown' does not exist
   [255]