protected function newCustomEnvironment()
{
$env = array();
// NOTE: See T2965. Some time after Git 1.7.5.4, Git started fataling if
// it can not read $HOME. For many users, $HOME points at /root (this
// seems to be a default result of Apache setup). Instead, explicitly
// point $HOME at a readable, empty directory so that Git looks for the
// config file it's after, fails to locate it, and moves on. This is
// really silly, but seems like the least damaging approach to
// mitigating the issue.
$env['HOME'] = PhabricatorEnv::getEmptyCWD();
if ($this->isAnySSHProtocol()) {
$env['GIT_SSH'] = $this->getSSHWrapper();
}
if ($this->isAnyHTTPProtocol()) {
$uri = $this->getURI();
if ($uri) {
$proxy = PhutilHTTPEngineExtension::buildHTTPProxyURI($uri);
if ($proxy) {
if ($this->isHTTPSProtocol()) {
$env_key = 'https_proxy';
} else {
$env_key = 'http_proxy';
}
$env[$env_key] = (string) $proxy;
}
}
}
return $env;
}
protected function executeRepositoryOperations()
{
$repository = $this->getRepository();
$args = $this->getArgs();
if (!$args->getArg('tunnel')) {
throw new Exception(pht('Expected `%s`!', 'svnserve -t'));
}
if ($this->shouldProxy()) {
$command = $this->getProxyCommand();
$this->isProxying = true;
$cwd = null;
} else {
$command = csprintf('svnserve -t --tunnel-user=%s', $this->getUser()->getUsername());
$cwd = PhabricatorEnv::getEmptyCWD();
}
$command = PhabricatorDaemon::sudoCommandAsDaemonUser($command);
$future = new ExecFuture('%C', $command);
// If we're receiving a commit, svnserve will fail to execute the commit
// hook with an unhelpful error if the CWD isn't readable by the user we
// are sudoing to. Switch to a readable, empty CWD before running
// svnserve. See T10941.
if ($cwd !== null) {
$future->setCWD($cwd);
}
$this->inProtocol = new DiffusionSubversionWireProtocol();
$this->outProtocol = new DiffusionSubversionWireProtocol();
$this->command = id($this->newPassthruCommand())->setIOChannel($this->getIOChannel())->setCommandChannelFromExecFuture($future)->setWillWriteCallback(array($this, 'willWriteMessageCallback'))->setWillReadCallback(array($this, 'willReadMessageCallback'));
$this->command->setPauseIOReads(true);
$err = $this->command->execute();
if (!$err && $this->didSeeWrite) {
$this->getRepository()->writeStatusMessage(PhabricatorRepositoryStatusMessage::TYPE_NEEDS_UPDATE, PhabricatorRepositoryStatusMessage::CODE_OKAY);
}
return $err;
}
