DiffusionPreCommitContentSizeHeraldField.php
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	<?php

	final class DiffusionPreCommitContentSizeHeraldField
	extends DiffusionPreCommitContentHeraldField {

	const FIELDCONST = 'diffusion.pre.content.diff.size';

	public function getHeraldFieldName() {
	return pht('Total files size (bytes)');
	}

	public function getFieldGroupKey() {
	return DiffusionChangeHeraldFieldGroup::FIELDGROUPKEY;
	}

	public function getHeraldFieldValue($object) {

	$adapter = $this->getAdapter();
	$hook = $adapter->getHookEngine();
	$repository = $hook->getRepository();
	$vcs = $repository->getVersionControlSystem();
	$total_size = 0;

	$ref = $adapter->getObject()->getRefNew();
	$changesets = $hook->loadChangesetsForCommit($ref);

	foreach($changesets as $change){
	$size = 0; $err = null;
	if($vcs == PhabricatorRepositoryType::REPOSITORY_TYPE_GIT) {
	list($size, $err) =
	execx("git cat-file -s %s:%s",
	$ref,
	$change->getFileName());
	} elseif($vcs == PhabricatorRepositoryType::REPOSITORY_TYPE_SVN) {
	list($size, $err) =
	execx("svnlook filesize -t %s %s %s",
	$hook->getSubversionTransaction(),
	$repository->getLocalPath(),
	$change->getFileName());
	}
	$total_size += (int) $size;
	}

	return $total_size;
	}

	protected function getHeraldFieldStandardType() {
	return HeraldField::STANDARD_INT;
	}

	function supportsObject($object) {
	if($object->getRepository()->isHg()) {
	return false;
	}
	return parent::supportsObject($object);
	}

	}