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Dispatch an event in arc land right before pushing a revision

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Summary: I looked at the pros & cons at adding hooks in git/hg vs arc land and I prefer arc land.

Test Plan:
* added an event listener and made sure I could handle the event.
* made sure things get reverted when the event handler throws an exception.

Reviewers: vrana, epriestley, pieter

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5268
This commit is contained in:
Alok Menghrajani 2013-03-08 18:32:36 -08:00
parent 955bfb5581
commit 7bf26484fb
2 changed files with 23 additions and 2 deletions
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2
src/events/constant/ArcanistEventType.php
View file

@ -10,4 +10,6 @@ final class ArcanistEventType extends PhutilEventType {
const TYPE_DIFF_WASCREATED = 'diff.wasCreated'; const TYPE_DIFF_WASCREATED = 'diff.wasCreated';
const TYPE_REVISION_WILLCREATEREVISION = 'revision.willCreateRevision'; const TYPE_REVISION_WILLCREATEREVISION = 'revision.willCreateRevision';
const TYPE_LAND_WILLPUSHREVISION = 'land.willPushRevision';
} }

23
src/workflow/ArcanistLandWorkflow.php
View file

@ -782,6 +782,18 @@ EOTEXT
} }
} }
// We dispatch this event so we can run checks on the merged revision, right
// before it gets pushed out. It's easier to do this in arc land than to
// try to hook into git/hg.
try {
$this->dispatchEvent(
ArcanistEventType::TYPE_LAND_WILLPUSHREVISION,
array());
} catch (Exception $ex) {
$this->executeCleanupAfterFailedPush();
throw $ex;
}
if ($this->getArgument('hold')) { if ($this->getArgument('hold')) {
echo phutil_console_format( echo phutil_console_format(
"Holding change in **%s**: it has NOT been pushed yet.\n", "Holding change in **%s**: it has NOT been pushed yet.\n",
@ -818,9 +830,8 @@ EOTEXT
if ($err) { if ($err) {
echo phutil_console_format("<bg:red>** PUSH FAILED! **</bg>\n"); echo phutil_console_format("<bg:red>** PUSH FAILED! **</bg>\n");
$this->executeCleanupAfterFailedPush();
if ($this->isGit) { if ($this->isGit) {
$repository_api->execxLocal('reset --hard HEAD^');
$this->restoreBranch();
throw new ArcanistUsageException( throw new ArcanistUsageException(
"'{$cmd}' failed! Fix the error and run 'arc land' again."); "'{$cmd}' failed! Fix the error and run 'arc land' again.");
} }
@ -841,6 +852,14 @@ EOTEXT
} }
} }
private function executeCleanupAfterFailedPush() {
if ($this->isGit) {
$repository_api = $this->getRepositoryAPI();
$repository_api->execxLocal('reset --hard HEAD^');
$this->restoreBranch();
}
}
private function cleanupBranch() { private function cleanupBranch() {
$repository_api = $this->getRepositoryAPI(); $repository_api = $this->getRepositoryAPI();