D4810: repository: introduce an ellipses repo requirement

[pulkit (Pulkit Goyal)]

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

REVISION SUMMARY
  Right now there is no good way to check whether a repo is ellipses enabled or
  not. This patch introduces a ellipses repo requirement which will be used in
  upcoming patches.
  
  I have purposefully not included narrow in the requirement name because now they
  are looking different concepts to me.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D4810

AFFECTED FILES
  mercurial/repository.py

CHANGE DETAILS

diff --git a/mercurial/repository.py b/mercurial/repository.py
--- a/mercurial/repository.py
+++ b/mercurial/repository.py
@@ -19,6 +19,11 @@
 # we should move this to just "narrow" or similar.
 NARROW_REQUIREMENT = 'narrowhg-experimental'
 
+# When ellipses and shallowing is finalized and the UI is done, there are no
+# more edge cases where things don't work. This should be generalised to shallow
+# or ellipses
+ELLIPSES_REQUIREMENT = 'exp-ellipses'
+
 # Local repository feature string.
 
 # Revlogs are being used for file storage.



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Cc: mercurial-devel