log: remove an unnecessary "and opts.get('rev')" condition
As Yuya pointed out, the condition is unnecessary since
revs.isdescending() would be true if --follow without --rev.
Differential Revision: https://phab.mercurial-scm.org/D6372
--- a/mercurial/logcmdutil.py Tue Oct 16 04:59:36 2018 -0700
+++ b/mercurial/logcmdutil.py Tue May 14 09:13:39 2019 -0700
@@ -743,7 +743,7 @@
return match
expr = _makerevset(repo, match, pats, slowpath, opts)
- if opts.get('graph') and opts.get('rev'):
+ if opts.get('graph'):
# User-specified revs might be unsorted, but don't sort before
# _makerevset because it might depend on the order of revs
if not (revs.isdescending() or revs.istopo()):