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Committer:
Breezy landing bot
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Author(s):
Jelmer Vernooij
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Date:
2018-03-05 22:19:44 UTC
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mfrom:
(6876.1.1 roundtripping-optional)
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Revision ID:
breezy.the.bot@gmail.com-20180305221944-f3vxap7bsre3063r
Allow InterBranch formats to raise NoRoundtrippingSupport to indicate
that they can't do lossless conversion between two branches.
Merged from https://code.launchpad.net/~jelmer/brz/lossless-fetch-optional/+merge/340769