D1161: hghave: make 'on demand import' unsupported when chg is running

[singhsrb (Saurabh Singh)]

singhsrb created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REVISION SUMMARY
  Chg does not support on demand import and therefore, it probably makes
  sense to indicate that the 'on demand import' is unsupported when chg is
  running.

TEST PLAN
  Ran all the tests.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1161

AFFECTED FILES
  tests/hghave.py

CHANGE DETAILS

diff --git a/tests/hghave.py b/tests/hghave.py
--- a/tests/hghave.py
+++ b/tests/hghave.py
@@ -601,7 +601,8 @@
 
 @check("demandimport", "demandimport enabled")
 def has_demandimport():
-    return os.environ.get('HGDEMANDIMPORT') != 'disable'
+    # chg does not support on demand importing.
+    return ((not has_chg()) and os.environ.get('HGDEMANDIMPORT') != 'disable')
 
 @check("py3k", "running with Python 3.x")
 def has_py3k():



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