ArcanistMercurialWorkingCopyRevisionHardpointQuery.php
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ArcanistMercurialWorkingCopyRevisionHardpointQuery.php
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	<?php

	final class ArcanistMercurialWorkingCopyRevisionHardpointQuery
	extends ArcanistWorkflowMercurialHardpointQuery {

	public function getHardpoints() {
	return array(
	ArcanistWorkingCopyStateRef::HARDPOINT_REVISIONREFS,
	);
	}

	protected function canLoadRef(ArcanistRef $ref) {
	return ($ref instanceof ArcanistWorkingCopyStateRef);
	}

	public function loadHardpoint(array $refs, $hardpoint) {
	yield $this->yieldRequests(
	$refs,
	array(
	ArcanistWorkingCopyStateRef::HARDPOINT_COMMITREF,
	));

	// TODO: This has a lot in common with the Git query in the same role.

	$hashes = array();
	$map = array();
	foreach ($refs as $ref_key => $ref) {
	$commit = $ref->getCommitRef();

	$commit_hashes = array();

	$commit_hashes[] = array(
	'hgcm',
	$commit->getCommitHash(),
	);

	foreach ($commit_hashes as $hash) {
	$hashes[] = $hash;
	$hash_key = $this->getHashKey($hash);
	$map[$hash_key][$ref_key] = $ref;
	}
	}

	$results = array_fill_keys(array_keys($refs), array());
	if ($hashes) {
	$revisions = (yield $this->yieldConduit(
	'differential.query',
	array(
	'commitHashes' => $hashes,
	)));

	foreach ($revisions as $dict) {
	$revision_hashes = idx($dict, 'hashes');
	if (!$revision_hashes) {
	continue;
	}

	$revision_ref = ArcanistRevisionRef::newFromConduitQuery($dict);
	foreach ($revision_hashes as $revision_hash) {
	$hash_key = $this->getHashKey($revision_hash);
	$state_refs = idx($map, $hash_key, array());
	foreach ($state_refs as $ref_key => $state_ref) {
	$results[$ref_key][] = $revision_ref;
	}
	}
	}
	}

	yield $this->yieldMap($results);
	}

	private function getHashKey(array $hash) {
	return $hash[0].':'.$hash[1];
	}

	}

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