20160503.repo.03.lpathmigrate.php
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	<?php

	$table = new PhabricatorRepository();
	$conn_w = $table->establishConnection('w');

	$default_path = PhabricatorEnv::getEnvConfig('repository.default-local-path');
	$default_path = rtrim($default_path, '/');

	foreach (new LiskMigrationIterator($table) as $repository) {
	$local_path = $repository->getLocalPath();
	if (strlen($local_path)) {
	// Repository already has a modern, unique local path.
	continue;
	}

	$local_path = $repository->getDetail('local-path');
	if (!strlen($local_path)) {
	// Repository does not have a local path using the older format.
	continue;
	}

	$random = Filesystem::readRandomCharacters(8);

	// Try the configured path first, then a default path, then a path with some
	// random noise.
	$paths = array(
	$local_path,
	$default_path.'/'.$repository->getID().'/',
	$default_path.'/'.$repository->getID().'-'.$random.'/',
	);

	foreach ($paths as $path) {
	// Set, then get the path to normalize it.
	$repository->setLocalPath($path);
	$path = $repository->getLocalPath();

	try {
	queryfx(
	$conn_w,
	'UPDATE %T SET localPath = %s WHERE id = %d',
	$table->getTableName(),
	$path,
	$repository->getID());

	echo tsprintf(
	"%s\n",
	pht(
	'Assigned repository "%s" to local path "%s".',
	$repository->getDisplayName(),
	$path));

	break;
	} catch (AphrontDuplicateKeyQueryException $ex) {
	// Ignore, try the next one.
	}
	}
	}