# HG changeset patch
# User Saurabh Singh <singhsrb@fb.com>
# Date 1508265358 25200
# Node ID 88624b40a9cba2592e834fe65e512ecb625578e1
# Parent  110040e715c9cdeed0f4efe3ea515a66f913c044
hghave: disable demandimport when chg is running

Chg disables demandimport on purpose for performance wins and
therefore, it probably makes sense to indicate that demandimport is disabled
when chg is running.

Test Plan:
Ran all the tests.

Differential Revision: https://phab.mercurial-scm.org/D1161

diff -r 110040e715c9 -r 88624b40a9cb tests/hghave.py
--- a/tests/hghave.py	Tue Oct 17 10:41:56 2017 -0700
+++ b/tests/hghave.py	Tue Oct 17 11:35:58 2017 -0700
@@ -601,7 +601,8 @@
 
 @check("demandimport", "demandimport enabled")
 def has_demandimport():
-    return os.environ.get('HGDEMANDIMPORT') != 'disable'
+    # chg disables demandimport intentionally for performance wins.
+    return ((not has_chg()) and os.environ.get('HGDEMANDIMPORT') != 'disable')
 
 @check("py3k", "running with Python 3.x")
 def has_py3k():