view doc/README @ 42296:df2f22befdc8

context: let caller pass in branch to committablectx.__init__()

committablectx.__init__() currently looks up the branch from the
dirstate unless it's passed in the extras. memctx.__init__() has a
branch argument, but since committablectx.__init__() doesn't accept
it, it lets that constructor look up the branch from the dirstate
before it overwrites it, which seems awkward.

Differential Revision: https://phab.mercurial-scm.org/D6366

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