better-testing

DifferentialBuildableEngine.php
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			<?php

			final class DifferentialBuildableEngine
			extends HarbormasterBuildableEngine {

			protected function getPublishableObject() {
			$object = $this->getObject();

			if ($object instanceof DifferentialDiff) {
			return $object->getRevision();
			}

			return $object;
			}

			public function publishBuildable(
			HarbormasterBuildable $old,
			HarbormasterBuildable $new) {

			// If we're publishing to a diff that is not actually attached to a
			// revision, we have nothing to publish to, so just bail out.
			$revision = $this->getPublishableObject();
			if (!$revision) {
			return;
			}

			// Don't publish manual buildables.
			if ($new->getIsManualBuildable()) {
			return;
			}

			// Don't publish anything if the buildable is still building. Differential
			// treats more buildables as "building" than Harbormaster does, but the
			// Differential definition is a superset of the Harbormaster definition.
			if ($new->isBuilding()) {
			return;
			}

			$viewer = $this->getViewer();

			$old_status = $revision->getBuildableStatus($new->getPHID());
			$new_status = $revision->newBuildableStatus($viewer, $new->getPHID());
			if ($old_status === $new_status) {
			return;
			}

			$buildable_type = DifferentialRevisionBuildableTransaction::TRANSACTIONTYPE;

			$xaction = $this->newTransaction()
			->setMetadataValue('harbormaster:buildablePHID', $new->getPHID())
			->setTransactionType($buildable_type)
			->setNewValue($new_status);

			$this->applyTransactions(array($xaction));
			}

			}