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).");
}
/**
* NOTE: SPOOKY BLACK MAGIC
*
* When arc is run in a copy of arcanist other than itself, or a copy of
* libphutil other than the one we loaded, reenter the script and force it
* to use the current working directory instead of the default.
*
* In the case of execution inside arcanist/, we force execution of the local
* arc binary.
*
* In the case of execution inside libphutil/, we force the local copy to load
* instead of the one selected by default rules.
*
* @param PhutilConsole Console.
* @param ArcanistWorkingCopyIdentity The current working copy.
* @param array Original arc arguments.
* @return void
*/
function reenter_if_this_is_arcanist_or_libphutil(PhutilConsole $console, ArcanistWorkingCopyIdentity $working_copy, array $original_argv)
{
$project_id = $working_copy->getProjectID();
if ($project_id != 'arcanist' && $project_id != 'libphutil') {
// We're not in a copy of arcanist or libphutil.
return;
}
$library_names = array('arcanist' => 'arcanist', 'libphutil' => 'phutil');
$library_root = phutil_get_library_root($library_names[$project_id]);
$project_root = $working_copy->getProjectRoot();
if (Filesystem::isDescendant($library_root, $project_root)) {
// We're in a copy of arcanist or libphutil, but already loaded the correct
// copy. Continue execution normally.
return;
}
if ($project_id == 'libphutil') {
$console->writeLog("This is libphutil! Forcing this copy to load...\n");
$original_argv[0] = dirname(phutil_get_library_root('arcanist')) . '/bin/arc';
$libphutil_path = $project_root;
} else {
$console->writeLog("This is arcanist! Forcing this copy to run...\n");
$original_argv[0] = $project_root . '/bin/arc';
$libphutil_path = dirname(phutil_get_library_root('phutil'));
}
if (phutil_is_windows()) {
$err = phutil_passthru('set ARC_PHUTIL_PATH=%s & %Ls', $libphutil_path, $original_argv);
} else {
$err = phutil_passthru('ARC_PHUTIL_PATH=%s %Ls', $libphutil_path, $original_argv);
}
exit($err);
}
function arcanist_load_libraries($load, $must_load, $lib_source, ArcanistWorkingCopyIdentity $working_copy, $config_trace_mode)
{
if (!$load) {
return;
}
if (!is_array($load)) {
$error = "Libraries specified by {$lib_source} are invalid; expected " . "a list. Check your configuration.";
$console = PhutilConsole::getConsole();
$console->writeErr("WARNING: %s\n", $error);
return;
}
foreach ($load as $location) {
// Try to resolve the library location. We look in several places, in
// order:
//
// 1. Inside the working copy. This is for phutil libraries within the
// project. For instance "library/src" will resolve to
// "./library/src" if it exists.
// 2. In the same directory as the working copy. This allows you to
// check out a library alongside a working copy and reference it.
// If we haven't resolved yet, "library/src" will try to resolve to
// "../library/src" if it exists.
// 3. Using normal libphutil resolution rules. Generally, this means
// that it checks for libraries next to libphutil, then libraries
// in the PHP include_path.
//
// Note that absolute paths will just resolve absolutely through rule (1).
$resolved = false;
// Check inside the working copy. This also checks absolute paths, since
// they'll resolve absolute and just ignore the project root.
$resolved_location = Filesystem::resolvePath($location, $working_copy->getProjectRoot());
if (Filesystem::pathExists($resolved_location)) {
$location = $resolved_location;
$resolved = true;
}
// If we didn't find anything, check alongside the working copy.
if (!$resolved) {
$resolved_location = Filesystem::resolvePath($location, dirname($working_copy->getProjectRoot()));
if (Filesystem::pathExists($resolved_location)) {
$location = $resolved_location;
$resolved = true;
}
}
if ($config_trace_mode) {
echo "Loading phutil library from '{$location}'...\n";
}
$error = null;
try {
phutil_load_library($location);
} catch (PhutilBootloaderException $ex) {
$error = "Failed to load phutil library at location '{$location}'. " . "This library is specified by {$lib_source}. Check that the " . "setting is correct and the library is located in the right " . "place.";
if ($must_load) {
throw new ArcanistUsageException($error);
} else {
file_put_contents('php://stderr', phutil_console_wrap('WARNING: ' . $error . "\n\n"));
}
} catch (PhutilLibraryConflictException $ex) {
if ($ex->getLibrary() != 'arcanist') {
throw $ex;
}
$arc_dir = dirname(dirname(__FILE__));
$error = "You are trying to run one copy of Arcanist on another copy of " . "Arcanist. This operation is not supported. To execute Arcanist " . "operations against this working copy, run './bin/arc' (from the " . "current working copy) not some other copy of 'arc' (you ran one " . "from '{$arc_dir}').";
throw new ArcanistUsageException($error);
}
}
}
