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9963323b91
Summary: Adds error handling for several kinds of failure in arc land for mercurial. Previously it would often leave the repo in a confusing state if something failed. - Aborts the land if pull brings in a diverged 'onto' branch. - Aborts the rebase if there is a conflict. This leaves the repo exactly as it was before, so the user is not left with a half finished rebase. - Don't delete the original non-squashed branch until the push succeeds. - If the push fails, strip the temporary squashed commit. This leaves the 'onto' branch back on the latest commit from the server, and leaves the users original nonsquashed branch around. - Always leave the user back on their original branch after an error. Test Plan: Ran arc land: - with pull causing a diverged 'onto' bookmark - with the 'onto' bookmark already diverged - with the rebase causing conflicts - with a push that failed due to a commit hook - with a successful land - with a successful collapse and land In all failure cases the repo was left exactly as it was before arc land, except for the push-failed case, where the only change was that the branch was correctly on top of the destination branch due to a successful rebase. Used bookmark name "foo bar-gah" to test that crazy bookmark names still work. Reviewers: epriestley, dschleimer, sid0 Reviewed By: epriestley CC: nh, wez, bos, aran, Korvin Differential Revision: https://secure.phabricator.com/D5394 |
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| difference | ||
| differential | ||
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| events/constant | ||
| exception | ||
| hgdaemon | ||
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| lint | ||
| parser | ||
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| workingcopyidentity | ||
| __phutil_library_init__.php | ||
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