# HG changeset patch
# User Sangeet Kumar Mishra <mail2sangeetmishra@gmail.com>
# Date 1533736742 -19800
# Node ID d99468d2b09acc8f5c6c5ce5c1b08b47a742841f
# Parent  0d032756e9bfa6c36d8dc484c95a787421d94df9
grep: search all commits in allfiles mode

All the commits are added to the 'wanted' set when allfiles mode is enabled.

Differential Revision: https://phab.mercurial-scm.org/D4157

diff -r 0d032756e9bf -r d99468d2b09a mercurial/cmdutil.py
--- a/mercurial/cmdutil.py	Wed Aug 08 17:07:27 2018 -0700
+++ b/mercurial/cmdutil.py	Wed Aug 08 19:29:02 2018 +0530
@@ -1899,7 +1899,7 @@
     # wanted: a cache of filenames that were changed (ctx.files()) and that
     # match the file filtering conditions.
 
-    if match.always():
+    if match.always() or allfiles:
         # No files, no patterns.  Display all revs.
         wanted = revs
     elif not slowpath:
diff -r 0d032756e9bf -r d99468d2b09a tests/test-grep.t
--- a/tests/test-grep.t	Wed Aug 08 17:07:27 2018 -0700
+++ b/tests/test-grep.t	Wed Aug 08 19:29:02 2018 +0530
@@ -500,4 +500,8 @@
   $ hg grep -r "0:2" "unmod" --all-files
   um:0:unmod
   um:1:unmod
+  $ hg grep -r "0:2" "unmod" --all-files um
+  um:0:unmod
+  um:1:unmod
   $ cd ..
+