ArcanistWorkingCopyStateRef.php
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ArcanistWorkingCopyStateRef.php
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	<?php

	final class ArcanistWorkingCopyStateRef
	extends ArcanistRef {

	const HARDPOINT_COMMITREF = 'commitRef';
	const HARDPOINT_REVISIONREFS = 'revisionRefs';

	public function getRefDisplayName() {
	// TODO: This could check attached hardpoints and render something more
	// insightful.
	return pht('Working Copy State');
	}

	protected function newHardpoints() {
	$object_list = new ArcanistObjectListHardpoint();
	return array(
	$this->newHardpoint(self::HARDPOINT_COMMITREF),
	$this->newTemplateHardpoint(self::HARDPOINT_REVISIONREFS, $object_list),
	);
	}

	// TODO: This should be "attachCommitRef()".
	public function setCommitRef(ArcanistCommitRef $commit_ref) {
	return $this->attachHardpoint(self::HARDPOINT_COMMITREF, $commit_ref);
	}

	public function getCommitRef() {
	return $this->getHardpoint(self::HARDPOINT_COMMITREF);
	}

	public function getRevisionRefs() {
	return $this->getHardpoint(self::HARDPOINT_REVISIONREFS);
	}

	public function getRevisionRef() {
	if ($this->hasAmbiguousRevisionRefs()) {
	throw new Exception(
	pht('State has multiple ambiguous revisions refs.'));
	}

	$refs = $this->getRevisionRefs();
	if ($refs) {
	return head($refs);
	}

	return null;
	}

	public function hasAmbiguousRevisionRefs() {
	return (count($this->getRevisionRefs()) > 1);
	}

	}