DifferentialBranchFieldSpecification.php
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	<?php

	final class DifferentialBranchFieldSpecification
	extends DifferentialFieldSpecification {

	public function shouldAppearOnRevisionView() {
	return true;
	}

	public function renderLabelForRevisionView() {
	return 'Branch:';
	}

	private function getBranchOrBookmarkDescription(DifferentialDiff $diff) {
	$branch = $diff->getBranch();
	$bookmark = $diff->getBookmark();
	$has_branch = ($branch != '');
	$has_bookmark = ($bookmark != '');
	if ($has_branch && $has_bookmark) {
	return "{$bookmark} bookmark on {$branch} branch";
	} else if ($has_bookmark) {
	return "{$bookmark} bookmark";
	} else if ($has_branch) {
	return $branch;
	}
	return null;
	}

	public function renderValueForRevisionView() {
	$diff = $this->getManualDiff();
	return $this->getBranchOrBookmarkDescription($diff);
	}

	}