epriestley ae7488f710 Drive commit message rendering from field specifications ... Summary: When rendering commit messages, drive all the logic through field specification classes instead of the hard-coded DifferentialCommitMessageData class. This removes DifferentialCommitMessageData and support classes. Note that this effectively reverts D546, and will cause a minor break for Facebook (Task IDs will no longer render in commit messages generated by "arc amend", and will not be editable via "arc diff --edit"). This can be resolved by implementing the feature as a custom field. While I've been able to preserve the task ID functionality elsewhere, I felt this implementation was too complex to reasonably leave hooks for, and the break is pretty minor. Test Plan: - Made numerous calls to differential.getcommitmessage across many diffs in various states, with and without 'edit' and with and without various field overrides. - General behavior seems correct (messages look accurate, and have the expected information). Special fields like "Reviewed By" and "git-svn-id" seem to work correctly. - Edit behavior seems correct (edit mode shows all editable fields, hides fields like "Reviewed By"). - Field overwrite behavior seems correct (overwritable fields show the correct values when overwritten, ignore provided values otherwise). Reviewed By: jungejason Reviewers: jungejason, tuomaspelkonen, aran CC: aran, jungejason Differential Revision: 814		2011-08-18 07:20:20 -07:00
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revisionlist	Faster Query for Differential Updates	2011-05-03 15:00:46 -07:00