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arc diff automatic detection of last commit which was not part of any revision
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Asked by DheerendraRathor on Sep 25 2015, 6:39 PM.

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I'm using git with Arcanist. I know I can specify the commit range for creating differential revisions, but is there any arc rule by which arc can automatically determine the last commit not included in any revision?

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epriestley
Updated 2,471 Days Ago

There is no such rule.

I don't think such a rule would work, anyway. If you did: commit A, arc diff, commit B, arc diff, it could not tell whether you meant to create a new revision or update the previous revision to include B.

The git:branch-unique() rule finds the last commit on different branches than HEAD. With this rule, you can distinguish between the two cases:

  • commit A, arc diff, commit B, arc diff: create revision with A, then update it to include A + B.
  • commit A, arc diff, create new branch, commit B, arc diff: creates a revision with A, then create a second revision with B

This also makes it easier to make changes to the revision with "A" later.

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