upstream/mercurial-mirror Files · hgext/remotefilelog/shallowstore.py

discovery: avoid wrongly saying there are nothing to pull...

discovery: avoid wrongly saying there are nothing to pull We can get in a situation where a revision passed through `hg pull --rev REV` are available on the server, but not a descendant of the advertised server heads. For example the server could lying be during heads advertisement, to hide some pull request. Or obsolete/hidden content could be explicitly pulled. So in this case the lookup associated to `REV` returned successfully, but the normal discovery will find all advertised heads already known locally. This flip a special boolean `anyinc` that will prevent any fetch attempt, preventing `REV` to be pulled over. We add three line of code to detect this case and make sure a pull actually happens. My main target is to make some third party extensions happy (I expect the associated test to move upstream with the extension). However this fix already make some of the `infinitepush` test happier.

Augie Fackler - - Load All Authors

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      # shallowstore.py - shallow store for interacting with shallow repos

      #

      # Copyright 2013 Facebook, Inc.

      #

      # This software may be used and distributed according to the terms of the

      # GNU General Public License version 2 or any later version.

      from __future__ import absolute_import

      def wrapstore(store):

          class shallowstore(store.__class__):

              def __contains__(self, path):

                  # Assume it exists

                  return True

          store.__class__ = shallowstore

          return store

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				# shallowstore.py - shallow store for interacting with shallow repos
				#
				# Copyright 2013 Facebook, Inc.
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.
				from __future__ import absolute_import


				def wrapstore(store):
				class shallowstore(store.__class__):
				def __contains__(self, path):
				# Assume it exists
				return True

				store.__class__ = shallowstore

				return store