Differential D20987 Diff 50008 src/browse/loader/ArcanistBrowseCommitHardpointLoader.php

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src/browse/loader/ArcanistBrowseCommitHardpointLoader.php

This file was added.

				<?php

				final class ArcanistBrowseCommitHardpointLoader
				extends ArcanistHardpointLoader {

				const LOADERKEY = 'browse.ref.commit';

				public function canLoadRepositoryAPI(ArcanistRepositoryAPI $api) {
				return true;
				}

				public function canLoadRef(ArcanistRef $ref) {
				return ($ref instanceof ArcanistBrowseRef);
				}

				public function canLoadHardpoint(ArcanistRef $ref, $hardpoint) {
				return ($hardpoint == 'commitRefs');
				}

				public function loadHardpoints(array $refs, $hardpoint) {
				$query = $this->getQuery();

				$api = $query->getRepositoryAPI();
				if (!$api) {
				return array();
				}

				$repository_ref = $query->getRepositoryRef();
				if (!$repository_ref) {
				return array();
				}
				$repository_phid = $repository_ref->getPHID();

				$commit_map = array();
				foreach ($refs as $key => $ref) {
				$token = $ref->getToken();

				if ($token === '.') {
				// Git resolves "." like HEAD, but we want to treat it as "browse the
				// current directory" instead in all cases.
				continue;
				}

				// Always resolve the empty token; top-level loaders filter out
				// irrelevant tokens before this stage.
				if ($token === null) {
				$token = $api->getHeadCommit();
				}

				// TODO: We should pull a full commit ref out of the API as soon as it
				// is able to provide them. In particular, we currently miss Git tree
				// hashes which reduces the accuracy of lookups.

				try {
				$commit = $api->getCanonicalRevisionName($token);
				if ($commit) {
				$commit_map[$commit][] = $key;
				}
				} catch (Exception $ex) {
				// Ignore anything we can't resolve.
				}
				}

				if (!$commit_map) {
				return array();
				}

				$results = array();
				foreach ($commit_map as $commit_identifier => $ref_keys) {
				foreach ($ref_keys as $key) {
				$commit_ref = id(new ArcanistCommitRef())
				->setCommitHash($commit_identifier);
				$results[$key][] = $commit_ref;
				}
				}

				return $results;
				}

				}