769 lines
20 KiB
PHP
Executable file
769 lines
20 KiB
PHP
Executable file
#!/usr/bin/env php
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<?php
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// This is the minimalist denialist implementation that doesn't check it's
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// pre-conditions and will screw up if you don't know what you're doing.
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/**
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* Manage the current working directory as a stack.
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*/
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class DirStack {
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protected $dirs;
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/**
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* @param array $dirs
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*/
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public function __construct($dirs = array()) {
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$this->dirs = $dirs;
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}
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/**
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* @param $dir
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*
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* @throws Exception
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*/
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public function push($dir) {
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$this->dirs[] = getcwd();
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if (!chdir($dir)) {
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throw new Exception("Failed to chdir($dir)");
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}
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}
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public function pop() {
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$oldDir = array_pop($this->dirs);
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chdir($oldDir);
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}
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}
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/**
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* FIXME: Why am I doing this? Can't we get a proper build-system for little
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* CLI tools -- and then use prepackaged libraries?
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*/
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class PullRequest {
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/**
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* Given a link to a pull-request, determine which local repo
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* it applies to and fetch any metadata.
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*
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* @param string $url
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* @param array $repos list of locally known repos
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* @return PullRequest|NULL
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*/
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public static function get($url, $repos) {
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foreach ($repos as $repo => $relPath) {
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if (preg_match("/^https:\/\/github.com\/(.*)\/(civicrm-{$repo})\/pull\/([0-9]+)(|\/commits|\/files)$/", $url, $matches)) {
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list ($full, $githubUser, $githubRepo, $githubPr) = $matches;
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$pr = new PullRequest();
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$pr->repo = $repo;
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$pr->data = HttpClient::getJson("https://api.github.com/repos/$githubUser/$githubRepo/pulls/$githubPr");
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if (empty($pr->data)) {
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return NULL;
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}
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return $pr;
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}
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}
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return NULL;
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}
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/**
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* @var string local repo name e.g. "core", "drupal"
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*/
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public $repo;
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protected $data;
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/**
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* @return mixed
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*/
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public function getNumber() {
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return $this->data->number;
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}
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/**
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* @return string name of the branch on the requestor's repo
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*/
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public function getRequestorBranch() {
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return $this->data->head->ref;
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}
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/**
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* @return string URL of the requestor's repo
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*/
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public function getRequestorRepoUrl() {
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return $this->data->head->repo->git_url;
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}
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}
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/**
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* Class Givi
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*/
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class Givi {
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/**
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* @var string 'checkout', 'begin', 'help', etc
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*/
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protected $action;
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/**
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* @var string
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*/
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protected $baseBranch;
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/**
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* @var array ($repoName => $gitRef)
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*/
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protected $branches;
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/**
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* @var string
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*/
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protected $civiRoot = '.';
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/**
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* @var int
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*/
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protected $drupalVersion = 7;
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/**
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* @var bool
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*/
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protected $dryRun = FALSE;
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/**
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* @var bool
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*/
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protected $fetch = FALSE;
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/**
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* @var bool
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*/
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protected $force = FALSE;
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/**
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* @var bool
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*/
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protected $rebase = FALSE;
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/**
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* @var string, the word 'all' or comma-delimited list of repo names
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*/
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protected $repoFilter = 'all';
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/**
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* @var array ($repoName => $relPath)
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*/
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protected $repos;
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/**
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* @var bool
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*/
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protected $useGencode = FALSE;
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/**
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* @var bool
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*/
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protected $useSetup = FALSE;
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/**
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* @var array, non-hyphenated arguments after the basedir
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*/
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protected $arguments;
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/**
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* @var string, the name of this program
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*/
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protected $program;
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/**
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* @var DirStack
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*/
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protected $dirStack;
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/**
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*
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*/
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public function __construct() {
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$this->dirStack = new DirStack();
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$this->repos = array(
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'core' => '.',
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'backdrop' => 'backdrop',
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'drupal' => 'drupal',
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'joomla' => 'joomla',
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'packages' => 'packages',
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'wordpress' => 'WordPress',
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);
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}
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/**
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* @param $args
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*
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* @throws Exception
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*/
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public function main($args) {
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if (!$this->parseOptions($args)) {
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printf("Error parsing arguments\n");
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$this->doHelp();
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return FALSE;
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}
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// All operations relative to civiRoot
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$this->dirStack->push($this->civiRoot);
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// Filter branch list based on what repos actually exist
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foreach (array_keys($this->repos) as $repo) {
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if (!is_dir($this->repos[$repo])) {
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unset($this->repos[$repo]);
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}
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}
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if (!isset($this->repos['core']) || !isset($this->repos['packages'])) {
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return $this->returnError("Root appears to be invalid -- missing too many repos. Try --root=<dir>\n");
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}
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$this->repos = $this->filterRepos($this->repoFilter, $this->repos);
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// Run the action
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switch ($this->action) {
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case 'checkout':
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call_user_func_array(array($this, 'doCheckoutAll'), $this->arguments);
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break;
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case 'fetch':
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call_user_func_array(array($this, 'doFetchAll'), $this->arguments);
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break;
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case 'status':
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call_user_func_array(array($this, 'doStatusAll'), $this->arguments);
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break;
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case 'begin':
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call_user_func_array(array($this, 'doBegin'), $this->arguments);
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break;
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case 'resume':
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call_user_func_array(array($this, 'doResume'), $this->arguments);
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break;
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case 'review':
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call_user_func_array(array($this, 'doReview'), $this->arguments);
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break;
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//case 'merge-forward':
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// call_user_func_array(array($this, 'doMergeForward'), $this->arguments);
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// break;
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case 'push':
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call_user_func_array(array($this, 'doPush'), $this->arguments);
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break;
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case 'help':
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case '':
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$this->doHelp();
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break;
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default:
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return $this->returnError("unrecognized action: {$this->action}\n");
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}
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if ($this->useSetup) {
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$this->run('core', $this->civiRoot . '/bin', 'bash', 'setup.sh');
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}
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elseif ($this->useGencode) {
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$this->run('core', $this->civiRoot . '/xml', 'php', 'GenCode.php');
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}
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$this->dirStack->pop();
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}
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/**
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* @param $args
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* @return bool
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*/
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public function parseOptions($args) {
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$this->branches = array();
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$this->arguments = array();
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foreach ($args as $arg) {
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if ($arg == '--fetch') {
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$this->fetch = TRUE;
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}
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elseif ($arg == '--rebase') {
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$this->rebase = TRUE;
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}
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elseif ($arg == '--dry-run' || $arg == '-n') {
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$this->dryRun = TRUE;
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}
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elseif ($arg == '--force' || $arg == '-f') {
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$this->force = TRUE;
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}
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elseif ($arg == '--gencode') {
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$this->useGencode = TRUE;
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}
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elseif ($arg == '--setup') {
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$this->useSetup = TRUE;
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}
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elseif (preg_match('/^--d([678])/', $arg, $matches)) {
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$this->drupalVersion = $matches[1];
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}
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elseif (preg_match('/^--root=(.*)/', $arg, $matches)) {
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$this->civiRoot = $matches[1];
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}
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elseif (preg_match('/^--repos=(.*)/', $arg, $matches)) {
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$this->repoFilter = $matches[1];
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}
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elseif (preg_match('/^--(core|packages|joomla|drupal|wordpress|backdrop)=(.*)/', $arg, $matches)) {
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$this->branches[$matches[1]] = $matches[2];
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}
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elseif (preg_match('/^-/', $arg)) {
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printf("unrecognized argument: %s\n", $arg);
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return FALSE;
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}
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else {
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$this->arguments[] = $arg;
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}
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}
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$this->program = @array_shift($this->arguments);
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$this->action = @array_shift($this->arguments);
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return TRUE;
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}
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public function doHelp() {
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$program = basename($this->program);
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echo "Givi - Coordinate git checkouts across CiviCRM repositories\n";
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echo "Scenario:\n";
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echo " You have cloned and forked the CiviCRM repos. Each of the repos has two\n";
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echo " remotes (origin + upstream). When working on a new PR, you generally want\n";
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echo " to checkout official code (eg upstream/master) in all repos, but 1-2 repos\n";
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echo " should use a custom branch (which tracks upstream/master).\n";
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echo "Usage:\n";
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echo " $program [options] checkout <branch>\n";
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echo " $program [options] fetch\n";
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echo " $program [options] status\n";
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echo " $program [options] begin <base-branch> [--core=<new-branch>|--drupal=<new-branch>|...] \n";
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echo " $program [options] resume [--rebase] <base-branch> [--core=<custom-branch>|--drupal=<custom-branch>|...] \n";
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echo " $program [options] review <base-branch> <pr-url-1> <pr-url-2>...\n";
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#echo " $program [options] merge-forward <maintenace-branch> <development-branch>\n";
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#echo " $program [options] push <remote> <branch>[:<branch>]\n";
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echo "Actions:\n";
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echo " checkout: Checkout same branch name on all repos\n";
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echo " fetch: Fetch remote changes on all repos\n";
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echo " status: Display status on all repos\n";
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echo " begin: Begin work on a new branch on some repo (and use base-branch for all others)\n";
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echo " resume: Resume work on an existing branch on some repo (and use base-branch for all others)\n";
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echo " review: Test work provided by someone else's pull-request. (If each repo has related PRs, then you can link to each of them.)\n";
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#echo " merge-forward: On each repo, merge changes from maintenance branch to development branch\n";
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#echo " push: On each repo, push a branch to a remote (Note: only intended for use with merge-forward)\n";
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echo "Common options:\n";
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echo " --dry-run: Don't do anything; only print commands that would be run\n";
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echo " --d6: Specify that Drupal branches should use 6.x-* prefixes\n";
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echo " --d7: Specify that Drupal branches should use 7.x-* prefixes (default)\n";
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echo " --d8: Specify that Drupal branches should use 8.x-* prefixes\n";
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echo " -f: When switching branches, proceed even if the index or the working tree differs from HEAD. This is used to throw away local changes.\n";
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echo " --fetch: Fetch the latest code before creating, updating, or checking-out anything\n";
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echo " --repos=X: Restrict operations to the listed repos (comma-delimited list) (default: all)";
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echo " --root=X: Specify CiviCRM root directory (default: .)\n";
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echo " --gencode: Run xml/GenCode after checking out code\n";
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echo " --setup: Run bin/setup.sh (incl xml/GenCode) after checking out code\n";
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echo "Special options:\n";
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echo " --core=X: Specify the branch to use on the core repository\n";
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echo " --packages=X: Specify the branch to use on the packages repository\n";
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echo " --backdrop=X: Specify the branch to use on the backdrop repository\n";
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echo " --drupal=X: Specify the branch to use on the drupal repository\n";
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echo " --joomla=X: Specify the branch to use on the joomla repository\n";
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echo " --wordpress=X: Specify the branch to use on the wordpress repository\n";
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echo " --rebase: Perform a rebase before starting work\n";
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echo "Known repositories:\n";
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foreach ($this->repos as $repo => $relPath) {
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printf(" %-12s: %s\n", $repo, realpath($this->civiRoot . DIRECTORY_SEPARATOR . $relPath));
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}
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echo "When using 'begin' or 'resume' with a remote base-branch, most repositories\n";
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echo "will have a detached HEAD. Only repos with an explicit branch will be real,\n";
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echo "local branches.\n";
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}
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/**
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* @param null $baseBranch
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*
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* @return bool
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*/
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public function doCheckoutAll($baseBranch = NULL) {
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if (!$baseBranch) {
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return $this->returnError("Missing <branch>\n");
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}
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$branches = $this->resolveBranches($baseBranch, $this->branches);
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if ($this->fetch) {
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$this->doFetchAll();
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}
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foreach ($this->repos as $repo => $relPath) {
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$filteredBranch = $this->filterBranchName($repo, $branches[$repo]);
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$this->run($repo, $relPath, 'git', 'checkout', $filteredBranch, $this->force ? '-f' : NULL);
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}
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return TRUE;
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}
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/**
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* @return bool
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*/
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public function doStatusAll() {
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foreach ($this->repos as $repo => $relPath) {
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$this->run($repo, $relPath, 'git', 'status');
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}
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return TRUE;
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}
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/**
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* @param null $baseBranch
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*
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* @return bool
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*/
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public function doBegin($baseBranch = NULL) {
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if (!$baseBranch) {
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return $this->returnError("Missing <base-branch>\n");
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}
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if (empty($this->branches)) {
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return $this->returnError("Must specify a custom branch for at least one repository.\n");
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}
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$branches = $this->resolveBranches($baseBranch, $this->branches);
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if ($this->fetch) {
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$this->doFetchAll();
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}
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foreach ($this->repos as $repo => $relPath) {
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$filteredBranch = $this->filterBranchName($repo, $branches[$repo]);
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$filteredBaseBranch = $this->filterBranchName($repo, $baseBranch);
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if ($filteredBranch == $filteredBaseBranch) {
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$this->run($repo, $relPath, 'git', 'checkout', $filteredBranch, $this->force ? '-f' : NULL);
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}
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else {
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$this->run($repo, $relPath, 'git', 'checkout', '-b', $filteredBranch, $filteredBaseBranch, $this->force ? '-f' : NULL);
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}
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}
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return TRUE;
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}
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/**
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* @param null $baseBranch
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*
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* @return bool
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* @throws Exception
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*/
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public function doResume($baseBranch = NULL) {
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if (!$baseBranch) {
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return $this->returnError("Missing <base-branch>\n");
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}
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if (empty($this->branches)) {
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return $this->returnError("Must specify a custom branch for at least one repository.\n");
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}
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$branches = $this->resolveBranches($baseBranch, $this->branches);
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if ($this->fetch) {
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$this->doFetchAll();
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}
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foreach ($this->repos as $repo => $relPath) {
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$filteredBranch = $this->filterBranchName($repo, $branches[$repo]);
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$filteredBaseBranch = $this->filterBranchName($repo, $baseBranch);
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$this->run($repo, $relPath, 'git', 'checkout', $filteredBranch, $this->force ? '-f' : NULL);
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if ($filteredBranch != $filteredBaseBranch && $this->rebase) {
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list ($baseRemoteRepo, $baseRemoteBranch) = $this->parseBranchRepo($filteredBaseBranch);
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$this->run($repo, $relPath, 'git', 'pull', '--rebase', $baseRemoteRepo, $baseRemoteBranch);
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}
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}
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return TRUE;
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}
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/**
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* @param null $baseBranch
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*
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* @return bool
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*/
|
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public function doReview($baseBranch = NULL) {
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if (!$this->doCheckoutAll($baseBranch)) {
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return FALSE;
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}
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$args = func_get_args();
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array_shift($args); // $baseBranch
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$pullRequests = array();
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foreach ($args as $prUrl) {
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$pullRequest = PullRequest::get($prUrl, $this->repos);
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if ($pullRequest) {
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$pullRequests[] = $pullRequest;
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}
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else {
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return $this->returnError("Invalid pull-request URL: $prUrl");
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}
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}
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foreach ($pullRequests as $pullRequest) {
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$repo = $pullRequest->repo;
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$branchName = 'pull-request-' . $pullRequest->getNumber();
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if ($this->hasLocalBranch($repo, $branchName)) {
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$this->run($repo, $this->repos[$repo], 'git', 'branch', '-D', $branchName);
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}
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$this->run($repo, $this->repos[$repo], 'git', 'checkout', '-b', $branchName); ## based on whatever was chosen by doCheckoutAll()
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$this->run($repo, $this->repos[$repo], 'git', 'pull', $pullRequest->getRequestorRepoUrl(), $pullRequest->getRequestorBranch());
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}
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return TRUE;
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}
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|
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/**
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* @param $newBranchRepo
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* @param $newBranchNames
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*
|
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* @return bool
|
|
*/
|
|
public function doPush($newBranchRepo, $newBranchNames) {
|
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if (!$newBranchRepo) {
|
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return $this->returnError("Missing <remote>\n");
|
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}
|
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if (!$newBranchNames) {
|
|
return $this->returnError("Missing <branch>[:<branch>]\n");
|
|
}
|
|
if (FALSE !== strpos($newBranchNames, ':')) {
|
|
list ($newBranchFromName, $newBranchToName) = explode(':', $newBranchNames);
|
|
foreach ($this->repos as $repo => $relPath) {
|
|
$filteredFromName = $this->filterBranchName($repo, $newBranchFromName);
|
|
$filteredToName = $this->filterBranchName($repo, $newBranchToName);
|
|
|
|
$this->run($repo, $relPath, 'git', 'push', $newBranchRepo, $filteredFromName . ':' . $filteredToName);
|
|
}
|
|
}
|
|
else {
|
|
foreach ($this->repos as $repo => $relPath) {
|
|
$filteredName = $this->filterBranchName($repo, $newBranchNames);
|
|
$this->run($repo, $relPath, 'git', 'push', $newBranchRepo, $filteredName);
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Determine if a branch exists locally
|
|
*
|
|
* @param string $repo
|
|
* @param string $name branch name
|
|
* @return bool
|
|
*/
|
|
public function hasLocalBranch($repo, $name) {
|
|
$path = $this->repos[$repo] . '/.git/refs/heads/' . $name;
|
|
return file_exists($path);
|
|
}
|
|
|
|
/**
|
|
* Given a ref name, determine the repo and branch
|
|
*
|
|
* FIXME: only supports $refs like "foo" (implicit origin) or "myremote/foo"
|
|
*
|
|
* @param $ref
|
|
* @param string $defaultRemote
|
|
*
|
|
* @throws Exception
|
|
* @return array
|
|
*/
|
|
public function parseBranchRepo($ref, $defaultRemote = 'origin') {
|
|
$parts = explode('/', $ref);
|
|
if (count($parts) == 1) {
|
|
return array($defaultRemote, $parts[1]);
|
|
}
|
|
elseif (count($parts) == 2) {
|
|
return $parts;
|
|
}
|
|
else {
|
|
throw new Exception("Failed to parse branch name ($ref)");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Run a command
|
|
*
|
|
* Any items after $command will be escaped and added to $command
|
|
*
|
|
* @param $repoName
|
|
* @param string $runDir
|
|
* @param string $command
|
|
*
|
|
* @return string
|
|
*/
|
|
public function run($repoName, $runDir, $command) {
|
|
$this->dirStack->push($runDir);
|
|
|
|
$args = func_get_args();
|
|
array_shift($args);
|
|
array_shift($args);
|
|
array_shift($args);
|
|
foreach ($args as $arg) {
|
|
if ($arg !== NULL) {
|
|
$command .= ' ' . escapeshellarg($arg);
|
|
}
|
|
}
|
|
printf("\n\n\nRUN [%s]: %s\n", $repoName, $command);
|
|
if ($this->dryRun) {
|
|
$r = NULL;
|
|
}
|
|
else {
|
|
$r = system($command);
|
|
}
|
|
|
|
$this->dirStack->pop();
|
|
return $r;
|
|
}
|
|
|
|
public function doFetchAll() {
|
|
foreach ($this->repos as $repo => $relPath) {
|
|
$this->run($repo, $relPath, 'git', 'fetch', '--all');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $default branch to use by default
|
|
* @param $overrides
|
|
*
|
|
* @return array ($repoName => $gitRef)
|
|
*/
|
|
public function resolveBranches($default, $overrides) {
|
|
$branches = $overrides;
|
|
foreach ($this->repos as $repo => $relPath) {
|
|
if (!isset($branches[$repo])) {
|
|
$branches[$repo] = $default;
|
|
}
|
|
}
|
|
return $branches;
|
|
}
|
|
|
|
/**
|
|
* @param $repoName
|
|
* @param $branchName
|
|
*
|
|
* @return string
|
|
*/
|
|
public function filterBranchName($repoName, $branchName) {
|
|
if ($branchName == '') {
|
|
return '';
|
|
}
|
|
if ($repoName == 'drupal') {
|
|
$parts = explode('/', $branchName);
|
|
$last = $this->drupalVersion . '.x-' . array_pop($parts);
|
|
array_push($parts, $last);
|
|
return implode('/', $parts);
|
|
}
|
|
if ($repoName == 'backdrop') {
|
|
$parts = explode('/', $branchName);
|
|
$last = '1.x-' . array_pop($parts);
|
|
array_push($parts, $last);
|
|
return implode('/', $parts);
|
|
}
|
|
return $branchName;
|
|
}
|
|
|
|
/**
|
|
* @param string $filter e.g. "all" or "repo1,repo2"
|
|
* @param array $repos ($repoName => $repoDir)
|
|
*
|
|
* @throws Exception
|
|
* @return array ($repoName => $repoDir)
|
|
*/
|
|
public function filterRepos($filter, $repos) {
|
|
if ($filter == 'all') {
|
|
return $repos;
|
|
}
|
|
|
|
$inclRepos = explode(',', $filter);
|
|
$unknowns = array_diff($inclRepos, array_keys($repos));
|
|
if (!empty($unknowns)) {
|
|
throw new Exception("Unknown Repos: " . implode(',', $unknowns));
|
|
}
|
|
$unwanted = array_diff(array_keys($repos), $inclRepos);
|
|
foreach ($unwanted as $repo) {
|
|
unset($repos[$repo]);
|
|
}
|
|
return $repos;
|
|
}
|
|
|
|
/**
|
|
* @param $message
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function returnError($message) {
|
|
echo "\nERROR: ", $message, "\n\n";
|
|
$this->doHelp();
|
|
return FALSE;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Class HttpClient
|
|
*/
|
|
class HttpClient {
|
|
/**
|
|
* @param $url
|
|
* @param $file
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function download($url, $file) {
|
|
// PHP native client is unreliable PITA for HTTPS
|
|
if (exec("which wget")) {
|
|
self::run('wget', '-q', '-O', $file, $url);
|
|
}
|
|
elseif (exec("which curl")) {
|
|
self::run('curl', '-o', $file, $url);
|
|
}
|
|
|
|
// FIXME: really detect errors
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* @param $url
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public static function getJson($url) {
|
|
$file = tempnam(sys_get_temp_dir(), 'givi-json-');
|
|
HttpClient::download($url, $file);
|
|
$data = json_decode(file_get_contents($file));
|
|
unlink($file);
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Run a command
|
|
*
|
|
* Any items after $command will be escaped and added to $command
|
|
*
|
|
* @param string $command
|
|
*
|
|
* @internal param string $runDir
|
|
* @return string
|
|
*/
|
|
public static function run($command) {
|
|
$args = func_get_args();
|
|
array_shift($args);
|
|
foreach ($args as $arg) {
|
|
$command .= ' ' . escapeshellarg($arg);
|
|
}
|
|
printf("\n\n\nRUN: %s\n", $command);
|
|
$r = system($command);
|
|
|
|
return $r;
|
|
}
|
|
|
|
}
|
|
|
|
$givi = new Givi();
|
|
$givi->main($argv);
|