Old script to move Phabricator projects to root to allow reorganization

move_to_root.php

#!/usr/bin/env php
<?php

// See <https://secure.phabricator.com/T10350> for discussion.

require_once 'scripts/__init_script__.php';

$args = new PhutilArgumentParser($argv);
$args->parseStandardArguments();
$args->parse(
  array(
    array(
      'name'  => 'project',
      'param' => 'project',
      'help'  => pht(
        'The project to move to root.'),
    )
  ));

$project_name = $args->getArg('project');

if (!$project_name) {
  throw new PhutilArgumentUsageException(
    pht(
      'Choose which project to move to root with --project.'));
}
$project = load_project($project_name);

if (!$project->getParentProjectPHID()) {
  throw new PhutilArgumentUsageException(
    pht(
      'The selected project is already root-level. '.
      'This script can only move non-root-level projects beneath other projects.'));
}

if ($project->getHasSubprojects() || $project->getHasMilestones()) {
  throw new PhutilArgumentUsageException(
    pht(
      'The selected project has subprojects or milestones of its own. '.
      'This script can not move entire trees of projects. Move each '.
      'subproject or milestone to root first, then move this one.'));
}

$project->setParentProjectPHID(null);
$project->attachParentProject(null);
$project->setMilestoneNumber(null);
$project->setProjectPathKey(null);
$project->save();

echo tsprintf(
  "%s\n",
  pht('Done.'));

function load_project($name) {
  $viewer = PhabricatorUser::getOmnipotentUser();

  $project = id(new PhabricatorProjectQuery())
    ->setViewer($viewer)
    ->withSlugs(array($name))
    ->executeOne();
  if ($project) {
    return $project;
  }

  $project = id(new PhabricatorProjectQuery())
    ->setViewer($viewer)
    ->withPHIDs(array($name))
    ->executeOne();
  if ($project) {
    return $project;
  }

  $project = id(new PhabricatorProjectQuery())
    ->setViewer($viewer)
    ->withIDs(array($name))
    ->executeOne();
  if ($project) {
    return $project;
  }

  throw new Exception(
    pht(
      'Unknown project "%s"! Use a hashtags, PHID, or ID to choose a project.',
      $name));
}