git: add opener attribute to gitstore
Differential Revision: https://phab.mercurial-scm.org/D11958
== New Features ==
== Default Format Change ==
These changes affects newly created repositories (or new clone) done with
Mercurial XXX.
== New Experimental Features ==
== Bug Fixes ==
The `--no-check` and `--no-merge` now properly overwrite the behavior from `commands.update.check`.
== Backwards Compatibility Changes ==
== Internal API Changes ==
The following functions have been removed:
Miscellaneous: