# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1423145684 -32400
# Node ID 8d295ce6e488a8f2db43648e2156da3961f45603
# Parent  d1fcff9400c984c521a0af89bdf8eb192824ddd8
graphlog: remove too early return from getgraphlogrevs() for empty repo

Even if repository is empty, null revision should exist.

diff -r d1fcff9400c9 -r 8d295ce6e488 mercurial/cmdutil.py
--- a/mercurial/cmdutil.py	Thu Jan 22 22:22:09 2015 -0800
+++ b/mercurial/cmdutil.py	Thu Feb 05 23:14:44 2015 +0900
@@ -1830,8 +1830,6 @@
     callable taking a revision number and returning a match objects
     filtering the files to be detailed when displaying the revision.
     """
-    if not len(repo):
-        return [], None, None
     limit = loglimit(opts)
     # Default --rev value depends on --follow but --follow behaviour
     # depends on revisions resolved from --rev...
diff -r d1fcff9400c9 -r 8d295ce6e488 tests/test-glog.t
--- a/tests/test-glog.t	Thu Jan 22 22:22:09 2015 -0800
+++ b/tests/test-glog.t	Thu Feb 05 23:14:44 2015 +0900
@@ -1541,6 +1541,9 @@
   $ testlog --follow
   []
   []
+  $ testlog -rnull
+  ['null']
+  []
   $ echo a > a
   $ echo aa > aa
   $ echo f > f