<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Util;
use Composer\IO\IOInterface;
use Symfony\Component\Process\Process;
/**
* @author Matt Whittom <Matt.Whittom@veteransunited.com>
*/
class Perforce
{
protected $path;
protected $p4Depot;
protected $p4Client;
protected $p4User;
protected $p4Password;
protected $p4Port;
protected $p4Stream;
protected $p4ClientSpec;
protected $p4DepotType;
protected $p4Branch;
protected $process;
protected $uniquePerforceClientName;
protected $windowsFlag;
protected $commandResult;
protected $io;
protected $filesystem;
public function __construct($repoConfig, $port, $path, ProcessExecutor $process, $isWindows, IOInterface $io)
{
$this->windowsFlag = $isWindows;
$this->p4Port = $port;
$this->initializePath($path);
$this->process = $process;
$this->initialize($repoConfig);
$this->io = $io;
}
public static function create($repoConfig, $port, $path, ProcessExecutor $process, IOInterface $io)
{
return new Perforce($repoConfig, $port, $path, $process, Platform::isWindows(), $io);
}
public static function checkServerExists($url, ProcessExecutor $processExecutor)
{
$output = null;
return 0 === $processExecutor->execute('p4 -p ' . ProcessExecutor::escape($url) . ' info -s', $output);
}
public function initialize($repoConfig)
{
$this->uniquePerforceClientName = $this->generateUniquePerforceClientName();
if (!$repoConfig) {
return;
}
if (isset($repoConfig['unique_perforce_client_name'])) {
$this->uniquePerforceClientName = $repoConfig['unique_perforce_client_name'];
}
if (isset($repoConfig['depot'])) {
$this->p4Depot = $repoConfig['depot'];
}
if (isset($repoConfig['branch'])) {
$this->p4Branch = $repoConfig['branch'];
}
if (isset($repoConfig['p4user'])) {
$this->p4User = $repoConfig['p4user'];
} else {
$this->p4User = $this->getP4variable('P4USER');
}
if (isset($repoConfig['p4password'])) {
$this->p4Password = $repoConfig['p4password'];
}
}
public function initializeDepotAndBranch($depot, $branch)
{
if (isset($depot)) {
$this->p4Depot = $depot;
}
if (isset($branch)) {
$this->p4Branch = $branch;
}
}
public function generateUniquePerforceClientName()
{
return gethostname() . "_" . time();
}
public function cleanupClientSpec()
{
$client = $this->getClient();
$task = 'client -d ' . ProcessExecutor::escape($client);
$useP4Client = false;
$command = $this->generateP4Command($task, $useP4Client);
$this->executeCommand($command);
$clientSpec = $this->getP4ClientSpec();
$fileSystem = $this->getFilesystem();
$fileSystem->remove($clientSpec);
}
protected function executeCommand($command)
{
$this->commandResult = '';
return $this->process->execute($command, $this->commandResult);
}
public function getClient()
{
if (!isset($this->p4Client)) {
$cleanStreamName = str_replace(array('//', '/', '@'), array('', '_', ''), $this->getStream());
$this->p4Client = 'composer_perforce_' . $this->uniquePerforceClientName . '_' . $cleanStreamName;
}
return $this->p4Client;
}
protected function getPath()
{
return $this->path;
}
public function initializePath($path)
{
$this->path = $path;
$fs = $this->getFilesystem();
$fs->ensureDirectoryExists($path);
}
protected function getPort()
{
return $this->p4Port;
}
public function setStream($stream)
{
$this->p4Stream = $stream;
$index = strrpos($stream, '/');
//Stream format is //depot/stream, while non-streaming depot is //depot
if ($index > 2) {
$this->p4DepotType = 'stream';
}
}
public function isStream()
{
return (strcmp($this->p4DepotType, 'stream') === 0);
}
public function getStream()
{
if (!isset($this->p4Stream)) {
if ($this->isStream()) {
$this->p4Stream = '//' . $this->p4Depot . '/' . $this->p4Branch;
} else {
$this->p4Stream = '//' . $this->p4Depot;
}
}
return $this->p4Stream;
}
public function getStreamWithoutLabel($stream)
{
$index = strpos($stream, '@');
if ($index === false) {
return $stream;
}
return substr($stream, 0, $index);
}
public function getP4ClientSpec()
{
return $this->path . '/' . $this->getClient() . '.p4.spec';
}
public function getUser()
{
return $this->p4User;
}
public function setUser($user)
{
$this->p4User = $user;
}
public function queryP4User()
{
$this->getUser();
if (strlen($this->p4User) > 0) {
return;
}
$this->p4User = $this->getP4variable('P4USER');
if (strlen($this->p4User) > 0) {
return;
}
$this->p4User = $this->io->ask('Enter P4 User:');
if ($this->windowsFlag) {
$command = 'p4 set P4USER=' . $this->p4User;
} else {
$command = 'export P4USER=' . $this->p4User;
}
$this->executeCommand($command);
}
protected function getP4variable($name)
{
if ($this->windowsFlag) {
$command = 'p4 set';
$this->executeCommand($command);
$result = trim($this->commandResult);
$resArray = explode(PHP_EOL, $result);
foreach ($resArray as $line) {
$fields = explode('=', $line);
if (strcmp($name, $fields[0]) == 0) {
$index = strpos($fields[1], ' ');
if ($index === false) {
$value = $fields[1];
} else {
$value = substr($fields[1], 0, $index);
}
$value = trim($value);
return $value;
}
}
return null;
}
$command = 'echo $' . $name;
$this->executeCommand($command);
$result = trim($this->commandResult);
return $result;
}
public function queryP4Password()
{
if (isset($this->p4Password)) {
return $this->p4Password;
}
$password = $this->getP4variable('P4PASSWD');
if (strlen($password) <= 0) {
$password = $this->io->askAndHideAnswer('Enter password for Perforce user ' . $this->getUser() . ': ');
}
$this->p4Password = $password;
return $password;
}
public function generateP4Command($command, $useClient = true)
{
$p4Command = 'p4 ';
$p4Command .= '-u ' . $this->getUser() . ' ';
if ($useClient) {
$p4Command .= '-c ' . $this->getClient() . ' ';
}
$p4Command = $p4Command . '-p ' . $this->getPort() . ' ' . $command;
return $p4Command;
}
public function isLoggedIn()
{
$command = $this->generateP4Command('login -s', false);
$exitCode = $this->executeCommand($command);
if ($exitCode) {
$errorOutput = $this->process->getErrorOutput();
$index = strpos($errorOutput, $this->getUser());
if ($index === false) {
$index = strpos($errorOutput, 'p4');
if ($index === false) {
return false;
}
throw new \Exception('p4 command not found in path: ' . $errorOutput);
}
throw new \Exception('Invalid user name: ' . $this->getUser());
}
return true;
}
public function connectClient()
{
$p4CreateClientCommand = $this->generateP4Command(
'client -i < ' . str_replace(" ", "\\ ", $this->getP4ClientSpec())
);
$this->executeCommand($p4CreateClientCommand);
}
public function syncCodeBase($sourceReference)
{
$prevDir = getcwd();
chdir($this->path);
$p4SyncCommand = $this->generateP4Command('sync -f ');
if (null !== $sourceReference) {
$p4SyncCommand .= '@' . $sourceReference;
}
$this->executeCommand($p4SyncCommand);
chdir($prevDir);
}
public function writeClientSpecToFile($spec)
{
fwrite($spec, 'Client: ' . $this->getClient() . PHP_EOL . PHP_EOL);
fwrite($spec, 'Update: ' . date('Y/m/d H:i:s') . PHP_EOL . PHP_EOL);
fwrite($spec, 'Access: ' . date('Y/m/d H:i:s') . PHP_EOL);
fwrite($spec, 'Owner: ' . $this->getUser() . PHP_EOL . PHP_EOL);
fwrite($spec, 'Description:' . PHP_EOL);
fwrite($spec, ' Created by ' . $this->getUser() . ' from composer.' . PHP_EOL . PHP_EOL);
fwrite($spec, 'Root: ' . $this->getPath() . PHP_EOL . PHP_EOL);
fwrite($spec, 'Options: noallwrite noclobber nocompress unlocked modtime rmdir' . PHP_EOL . PHP_EOL);
fwrite($spec, 'SubmitOptions: revertunchanged' . PHP_EOL . PHP_EOL);
fwrite($spec, 'LineEnd: local' . PHP_EOL . PHP_EOL);
if ($this->isStream()) {
fwrite($spec, 'Stream:' . PHP_EOL);
fwrite($spec, ' ' . $this->getStreamWithoutLabel($this->p4Stream) . PHP_EOL);
} else {
fwrite(
$spec,
'View: ' . $this->getStream() . '/... //' . $this->getClient() . '/... ' . PHP_EOL
);
}
}
public function writeP4ClientSpec()
{
$clientSpec = $this->getP4ClientSpec();
$spec = fopen($clientSpec, 'w');
try {
$this->writeClientSpecToFile($spec);
} catch (\Exception $e) {
fclose($spec);
throw $e;
}
fclose($spec);
}
protected function read($pipe, $name)
{
if (feof($pipe)) {
return;
}
$line = fgets($pipe);
while ($line !== false) {
$line = fgets($pipe);
}
}
public function windowsLogin($password)
{
$command = $this->generateP4Command(' login -a');
// TODO in v3 generate command as an array
if (method_exists('Symfony\Component\Process\Process', 'fromShellCommandline')) {
$process = Process::fromShellCommandline($command, null, null, $password);
} else {
$process = new Process($command, null, null, $password);
}
return $process->run();
}
public function p4Login()
{
$this->queryP4User();
if (!$this->isLoggedIn()) {
$password = $this->queryP4Password();
if ($this->windowsFlag) {
$this->windowsLogin($password);
} else {
$command = 'echo ' . ProcessExecutor::escape($password) . ' | ' . $this->generateP4Command(' login -a', false);
$exitCode = $this->executeCommand($command);
$result = trim($this->commandResult);
if ($exitCode) {
throw new \Exception("Error logging in:" . $this->process->getErrorOutput());
}
}
}
}
public function getComposerInformation($identifier)
{
$composerFileContent = $this->getFileContent('composer.json', $identifier);
if (!$composerFileContent) {
return;
}
return json_decode($composerFileContent, true);
}
public function getFileContent($file, $identifier)
{
$path = $this->getFilePath($file, $identifier);
$command = $this->generateP4Command(' print ' . ProcessExecutor::escape($path));
$this->executeCommand($command);
$result = $this->commandResult;
if (!trim($result)) {
return null;
}
return $result;
}
public function getFilePath($file, $identifier)
{
$index = strpos($identifier, '@');
if ($index === false) {
$path = $identifier. '/' . $file;
return $path;
}
$path = substr($identifier, 0, $index) . '/' . $file . substr($identifier, $index);
$command = $this->generateP4Command(' files ' . ProcessExecutor::escape($path), false);
$this->executeCommand($command);
$result = $this->commandResult;
$index2 = strpos($result, 'no such file(s).');
if ($index2 === false) {
$index3 = strpos($result, 'change');
if ($index3 !== false) {
$phrase = trim(substr($result, $index3));
$fields = explode(' ', $phrase);
return substr($identifier, 0, $index) . '/' . $file . '@' . $fields[1];
}
}
return null;
}
public function getBranches()
{
$possibleBranches = array();
if (!$this->isStream()) {
$possibleBranches[$this->p4Branch] = $this->getStream();
} else {
$command = $this->generateP4Command('streams '.ProcessExecutor::escape('//' . $this->p4Depot . '/...'));
$this->executeCommand($command);
$result = $this->commandResult;
$resArray = explode(PHP_EOL, $result);
foreach ($resArray as $line) {
$resBits = explode(' ', $line);
if (count($resBits) > 4) {
$branch = preg_replace('/[^A-Za-z0-9 ]/', '', $resBits[4]);
$possibleBranches[$branch] = $resBits[1];
}
}
}
$command = $this->generateP4Command('changes '. ProcessExecutor::escape($this->getStream() . '/...'), false);
$this->executeCommand($command);
$result = $this->commandResult;
$resArray = explode(PHP_EOL, $result);
$lastCommit = $resArray[0];
$lastCommitArr = explode(' ', $lastCommit);
$lastCommitNum = $lastCommitArr[1];
$branches = array('master' => $possibleBranches[$this->p4Branch] . '@'. $lastCommitNum);
return $branches;
}
public function getTags()
{
$command = $this->generateP4Command('labels');
$this->executeCommand($command);
$result = $this->commandResult;
$resArray = explode(PHP_EOL, $result);
$tags = array();
foreach ($resArray as $line) {
if (strpos($line, 'Label') !== false) {
$fields = explode(' ', $line);
$tags[$fields[1]] = $this->getStream() . '@' . $fields[1];
}
}
return $tags;
}
public function checkStream()
{
$command = $this->generateP4Command('depots', false);
$this->executeCommand($command);
$result = $this->commandResult;
$resArray = explode(PHP_EOL, $result);
foreach ($resArray as $line) {
if (strpos($line, 'Depot') !== false) {
$fields = explode(' ', $line);
if (strcmp($this->p4Depot, $fields[1]) === 0) {
$this->p4DepotType = $fields[3];
return $this->isStream();
}
}
}
return false;
}
/**
* @param string $reference
* @return mixed|null
*/
protected function getChangeList($reference)
{
$index = strpos($reference, '@');
if ($index === false) {
return null;
}
$label = substr($reference, $index);
$command = $this->generateP4Command(' changes -m1 ' . ProcessExecutor::escape($label));
$this->executeCommand($command);
$changes = $this->commandResult;
if (strpos($changes, 'Change') !== 0) {
return null;
}
$fields = explode(' ', $changes);
return $fields[1];
}
/**
* @param string $fromReference
* @param string $toReference
* @return mixed|null
*/
public function getCommitLogs($fromReference, $toReference)
{
$fromChangeList = $this->getChangeList($fromReference);
if ($fromChangeList === null) {
return null;
}
$toChangeList = $this->getChangeList($toReference);
if ($toChangeList === null) {
return null;
}
$index = strpos($fromReference, '@');
$main = substr($fromReference, 0, $index) . '/...';
$command = $this->generateP4Command('filelog ' . ProcessExecutor::escape($main . '@' . $fromChangeList. ',' . $toChangeList));
$this->executeCommand($command);
return $this->commandResult;
}
public function getFilesystem()
{
if (empty($this->filesystem)) {
$this->filesystem = new Filesystem($this->process);
}
return $this->filesystem;
}
public function setFilesystem(Filesystem $fs)
{
$this->filesystem = $fs;
}
}