/**
* 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);
}
