PhabricatorRepositoryFetchRefsTransaction.php
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PhabricatorRepositoryFetchRefsTransaction.php
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	<?php

	final class PhabricatorRepositoryFetchRefsTransaction
	extends PhabricatorRepositoryTransactionType {

	const TRANSACTIONTYPE = 'fetch-refs';

	public function generateOldValue($object) {
	return $object->getFetchRules();
	}

	public function applyInternalEffects($object, $value) {
	$object->setFetchRules($value);
	}

	public function getTitle() {
	$old = $this->getOldValue();
	$new = $this->getNewValue();

	if (!$new) {
	return pht(
	'%s set this repository to fetch all refs.',
	$this->renderAuthor());
	} else if (!$old) {
	return pht(
	'%s set this repository to fetch refs: %s.',
	$this->renderAuthor(),
	$this->renderValue(implode(', ', $new)));
	} else {
	return pht(
	'%s changed fetched refs from %s to %s.',
	$this->renderAuthor(),
	$this->renderValue(implode(', ', $old)),
	$this->renderValue(implode(', ', $new)));
	}
	}

	public function validateTransactions($object, array $xactions) {
	$errors = array();

	foreach ($xactions as $xaction) {
	$new_value = $xaction->getNewValue();

	if (!is_array($new_value) \|\| !phutil_is_natural_list($new_value)) {
	$errors[] = $this->newInvalidError(
	pht(
	'Fetch rules must be a list of strings, got "%s".',
	phutil_describe_type($new_value)),
	$xaction);
	continue;
	}

	foreach ($new_value as $idx => $rule) {
	if (!is_string($rule)) {
	$errors[] = $this->newInvalidError(
	pht(
	'Fetch rule (at index "%s") must be a string, got "%s".',
	$idx,
	phutil_describe_type($rule)),
	$xaction);
	continue;
	}

	if (!strlen($rule)) {
	$errors[] = $this->newInvalidError(
	pht(
	'Fetch rule (at index "%s") is empty. Fetch rules must '.
	'contain text.',
	$idx),
	$xaction);
	continue;
	}

	// Since we fetch ref "X" as "+X:X", don't allow rules to include
	// colons. This is specific to Git and may not be relevant if
	// Mercurial repositories eventually get fetch rules.
	if (preg_match('/:/', $rule)) {
	$errors[] = $this->newInvalidError(
	pht(
	'Fetch rule ("%s", at index "%s") is invalid: fetch rules '.
	'must not contain colons.',
	$rule,
	$idx),
	$xaction);
	continue;
	}

	}
	}

	return $errors;
	}

	}

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