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Treat commit hook execution in observed repositories as a no-op, not an error

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Summary:
See PHI24. If you create a hosted Mercurial repository and switch it to observed, you can end up with a hook installed that runs on pulls and complains.

Instead, just bail out if we're running on a pull.

The corresponding Git hook doesn't run on pulls, so there's no issue in Git.

Test Plan: Executed the hook in an observed Mercurial repository, got a clean exit.

Reviewers: chad

Reviewed By: chad

Differential Revision: https://secure.phabricator.com/D18307
This commit is contained in:
epriestley 2017-07-31 13:21:58 -07:00
parent 3f158aa71b
commit 03423c632c
1 changed files with 7 additions and 2 deletions
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9
scripts/repository/commit_hook.php
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@ -48,8 +48,13 @@ if (!$repository) {
}
if (!$repository->isHosted()) {
// This should be redundant, but double check just in case.
throw new Exception(pht('Repository "%s" is not hosted!', $argv[1]));
// In Mercurial, the "pretxnchangegroup" hook fires for both pulls and
// pushes. Normally we only install the hook for hosted repositories, but
// if a hosted repository is later converted into an observed repository we
// can end up with an observed repository that has the hook installed.
// If we're running hooks from an observed repository, just exit without
// taking action. For more discussion, see PHI24.
return 0;
}
$engine->setRepository($repository);