# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1515044235 -32400
# Node ID 84d0e99c063a0f26be5de5c8e5394f347ad7e519
# Parent  67893a51627270c80a0b84f1239c9e4f061e42e7
log: replace "not pats" with matcher attribute for consistency

We use match.always() in _makelogrevset(). match.always() is identical to
"not pats" here since scmutil.matchandpats() empties pats in that case.

diff -r 67893a516272 -r 84d0e99c063a mercurial/cmdutil.py
--- a/mercurial/cmdutil.py	Wed Jan 03 15:58:59 2018 +0900
+++ b/mercurial/cmdutil.py	Thu Jan 04 14:37:15 2018 +0900
@@ -2535,7 +2535,7 @@
         return smartset.baseset(), None
     match, pats, slowpath = _makelogmatcher(repo, revs, pats, opts)
     if follow:
-        if slowpath or not pats:
+        if slowpath or match.always():
             revs = dagop.revancestors(repo, revs, followfirst=followfirst)
         else:
             revs = _fileancestors(repo, revs, match, followfirst)