DifferentialHostField.php
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			<?php

			final class DifferentialHostField
			extends DifferentialCustomField {

			public function getFieldKey() {
			return 'differential:host';
			}

			public function getFieldName() {
			return pht('Host');
			}

			public function getFieldDescription() {
			return pht('Shows the local host where the diff came from.');
			}

			public function shouldDisableByDefault() {
			return true;
			}

			public function shouldAppearInPropertyView() {
			return true;
			}

			public function renderPropertyViewValue(array $handles) {
			return null;
			}

			public function shouldAppearInDiffPropertyView() {
			return true;
			}

			public function renderDiffPropertyViewLabel(DifferentialDiff $diff) {
			return $this->getFieldName();
			}

			public function renderDiffPropertyViewValue(DifferentialDiff $diff) {
			$host = $diff->getSourceMachine();
			if (!$host) {
			return null;
			}

			return $host;
			}

			}

phab/src/applications/differential/customfield/DifferentialHostField.phpdc9283b85d71production