public static function newAPIFromWorkingCopyIdentity(ArcanistWorkingCopyIdentity $working_copy)
{
$root = $working_copy->getProjectRoot();
if (!$root) {
throw new ArcanistUsageException("There is no readable '.arcconfig' file in the working directory or " . "any parent directory. Create an '.arcconfig' file to configure arc.");
}
// check if we're in an svn working copy
list($err) = exec_manual('svn info');
if (!$err) {
$api = newv('ArcanistSubversionAPI', array($root));
$api->workingCopyIdentity = $working_copy;
return $api;
}
if (Filesystem::pathExists($root . '/.hg')) {
$api = newv('ArcanistMercurialAPI', array($root));
$api->workingCopyIdentity = $working_copy;
return $api;
}
$git_root = self::discoverGitBaseDirectory($root);
if ($git_root) {
if (!Filesystem::pathsAreEquivalent($root, $git_root)) {
throw new ArcanistUsageException("'.arcconfig' file is located at '{$root}', but working copy root " . "is '{$git_root}'. Move '.arcconfig' file to the working copy root.");
}
$api = newv('ArcanistGitAPI', array($root));
$api->workingCopyIdentity = $working_copy;
return $api;
}
throw new ArcanistUsageException("The current working directory is not part of a working copy for a " . "supported version control system (svn, git or mercurial).");
}
protected function executeUpdate(PhabricatorRepository $repository, $local_path)
{
// Run a bunch of sanity checks to detect people checking out repositories
// inside other repositories, making empty directories, pointing the local
// path at some random file or path, etc.
list($err, $stdout) = $repository->execLocalCommand('rev-parse --show-toplevel');
if ($err) {
// Try to raise a more tailored error message in the more common case
// of the user creating an empty directory. (We could try to remove it,
// but might not be able to, and it's much simpler to raise a good
// message than try to navigate those waters.)
if (is_dir($local_path)) {
$files = Filesystem::listDirectory($local_path, $include_hidden = true);
if (!$files) {
throw new Exception("Expected to find a git repository at '{$local_path}', but there " . "is an empty directory there. Remove the directory: the daemon " . "will run 'git clone' for you.");
}
}
throw new Exception("Expected to find a git repository at '{$local_path}', but there is " . "a non-repository directory (with other stuff in it) there. Move or " . "remove this directory (or reconfigure the repository to use a " . "different directory), and then either clone a repository yourself " . "or let the daemon do it.");
} else {
$repo_path = rtrim($stdout, "\n");
if (empty($repo_path)) {
throw new Exception("Expected to find a git repository at '{$local_path}', but " . "there was no result from `git rev-parse --show-toplevel`. " . "Something is misconfigured or broken. The git repository " . "may be inside a '.git/' directory.");
}
if (!Filesystem::pathsAreEquivalent($repo_path, $local_path)) {
throw new Exception("Expected to find repo at '{$local_path}', but the actual " . "git repository root for this directory is '{$repo_path}'. " . "Something is misconfigured. The repository's 'Local Path' should " . "be set to some place where the daemon can check out a working " . "copy, and should not be inside another git repository.");
}
}
// This is a local command, but needs credentials.
$future = $repository->getRemoteCommandFuture('fetch --all --prune');
$future->setCWD($local_path);
$future->resolvex();
}
/**
* @task git
*/
private function executeGitUpdate()
{
$repository = $this->getRepository();
list($err, $stdout) = $repository->execLocalCommand('rev-parse --show-toplevel');
$message = null;
$path = $repository->getLocalPath();
if ($err) {
// Try to raise a more tailored error message in the more common case
// of the user creating an empty directory. (We could try to remove it,
// but might not be able to, and it's much simpler to raise a good
// message than try to navigate those waters.)
if (is_dir($path)) {
$files = Filesystem::listDirectory($path, $include_hidden = true);
if (!$files) {
$message = pht("Expected to find a git repository at '%s', but there " . "is an empty directory there. Remove the directory: the daemon " . "will run '%s' for you.", $path, 'git clone');
} else {
$message = pht("Expected to find a git repository at '%s', but there is " . "a non-repository directory (with other stuff in it) there. Move " . "or remove this directory (or reconfigure the repository to use a " . "different directory), and then either clone a repository " . "yourself or let the daemon do it.", $path);
}
} else {
if (is_file($path)) {
$message = pht("Expected to find a git repository at '%s', but there is a " . "file there instead. Remove it and let the daemon clone a " . "repository for you.", $path);
} else {
$message = pht("Expected to find a git repository at '%s', but did not.", $path);
}
}
} else {
$repo_path = rtrim($stdout, "\n");
if (empty($repo_path)) {
// This can mean one of two things: we're in a bare repository, or
// we're inside a git repository inside another git repository. Since
// the first is dramatically more likely now that we perform bare
// clones and I don't have a great way to test for the latter, assume
// we're OK.
} else {
if (!Filesystem::pathsAreEquivalent($repo_path, $path)) {
$err = true;
$message = pht("Expected to find repo at '%s', but the actual git repository root " . "for this directory is '%s'. Something is misconfigured. " . "The repository's 'Local Path' should be set to some place where " . "the daemon can check out a working copy, " . "and should not be inside another git repository.", $path, $repo_path);
}
}
}
if ($err && $repository->canDestroyWorkingCopy()) {
phlog(pht("Repository working copy at '%s' failed sanity check; " . "destroying and re-cloning. %s", $path, $message));
Filesystem::remove($path);
$this->executeGitCreate();
} else {
if ($err) {
throw new Exception($message);
}
}
$retry = false;
do {
// This is a local command, but needs credentials.
if ($repository->isWorkingCopyBare()) {
// For bare working copies, we need this magic incantation.
$future = $repository->getRemoteCommandFuture('fetch origin %s --prune', '+refs/heads/*:refs/heads/*');
} else {
$future = $repository->getRemoteCommandFuture('fetch --all --prune');
}
$future->setCWD($path);
list($err, $stdout, $stderr) = $future->resolve();
if ($err && !$retry && $repository->canDestroyWorkingCopy()) {
$retry = true;
// Fix remote origin url if it doesn't match our configuration
$origin_url = $repository->execLocalCommand('config --get remote.origin.url');
$remote_uri = $repository->getRemoteURIEnvelope();
if ($origin_url != $remote_uri->openEnvelope()) {
$repository->execLocalCommand('remote set-url origin %P', $remote_uri);
}
} else {
if ($err) {
throw new CommandException(pht('Failed to fetch changes!'), $future->getCommand(), $err, $stdout, $stderr);
} else {
$retry = false;
}
}
} while ($retry);
}