testing

DiffusionMercurialCommitParentsQuery.php
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			<?php

			final class DiffusionMercurialCommitParentsQuery
			extends DiffusionCommitParentsQuery {

			protected function executeQuery() {
			$drequest = $this->getRequest();
			$repository = $drequest->getRepository();

			list($stdout) = $repository->execxLocalCommand(
			'log --debug --limit 1 --template={parents} --rev %s',
			$drequest->getStableCommitName());

			$hashes = preg_split('/\s+/', trim($stdout));
			foreach ($hashes as $key => $value) {
			// Mercurial parents look like "23:ad9f769d6f786fad9f76d9a" -- we want
			// to strip out the local rev part.
			list($local, $global) = explode(':', $value);
			$hashes[$key] = $global;

			// With --debug we get 40-character hashes but also get the "000000..."
			// hash for missing parents; ignore it.
			if (preg_match('/^0+$/', $global)) {
			unset($hashes[$key]);
			}
			}

			return self::loadCommitsByIdentifiers($hashes, $drequest);
			}
			}