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Add self:update command to update Robo phar distributions to the late…
…st available version on GitHub.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| <?php | ||
|
|
||
| namespace Robo; | ||
|
|
||
| use Symfony\Component\Console\Command\Command; | ||
| use Symfony\Component\Console\Input\InputInterface; | ||
| use Symfony\Component\Console\Output\OutputInterface; | ||
| use Symfony\Component\Filesystem\Filesystem as sfFilesystem; | ||
|
|
||
| /** | ||
| * Update the robo.phar from the latest github release | ||
| * | ||
| * @author Alexander Menk <alex.menk@gmail.com> | ||
| */ | ||
| class SelfUpdateCommand extends Command | ||
| { | ||
| const SELF_UPDATE_COMMAND_NAME = 'self:update'; | ||
|
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| private $command; | ||
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| protected $gitHubRepository; | ||
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| protected $currentVersion; | ||
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| protected $applicationName; | ||
|
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| public function __construct($applicationName = null, $currentVersion = null, $gitHubRepository = null) | ||
| { | ||
| parent::__construct(self::SELF_UPDATE_COMMAND_NAME); | ||
|
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| $this->applicationName = $applicationName; | ||
| $this->currentVersion = $currentVersion; | ||
| $this->gitHubRepository = $gitHubRepository; | ||
| } | ||
|
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| /** | ||
| * {@inheritdoc} | ||
| */ | ||
| protected function configure() | ||
| { | ||
| $this | ||
| ->setAliases(array('update')) | ||
| ->setDescription('Updates the robo.phar to the latest version.') | ||
| ->setHelp( | ||
| <<<EOT | ||
| The <info>self-update</info> command checks github for newer | ||
| versions of robo and if found, installs the latest. | ||
| EOT | ||
| ); | ||
| } | ||
|
|
||
| protected function getLatestReleaseFromGithub() | ||
| { | ||
| $opts = [ | ||
| 'http' => [ | ||
| 'method' => 'GET', | ||
| 'header' => [ | ||
| 'User-Agent: ' . $this->applicationName . ' (' . $this->gitHubRepository . ')' . ' Self-Update (PHP)' | ||
| ] | ||
| ] | ||
| ]; | ||
|
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| $context = stream_context_create($opts); | ||
|
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| $releases = file_get_contents('https://api.github.com/repos/' . $this->gitHubRepository . '/releases', false, $context); | ||
| $releases = json_decode($releases); | ||
|
|
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| if (! isset($releases[0])) { | ||
| throw new \Exception('API error - no release found at GitHub repository ' . $this->gitHubRepository); | ||
| } | ||
|
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| $version = $releases[0]->tag_name; | ||
| $url = $releases[0]->assets[0]->browser_download_url; | ||
|
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| return [ $version, $url ]; | ||
| } | ||
|
|
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| /** | ||
| * {@inheritdoc} | ||
| */ | ||
| protected function execute(InputInterface $input, OutputInterface $output) | ||
| { | ||
| if (empty(\Phar::running())) { | ||
| throw new \Exception(self::SELF_UPDATE_COMMAND_NAME . ' only works when running the phar version of ' . $this->applicationName . '.'); | ||
| } | ||
|
|
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| $localFilename = realpath($_SERVER['argv'][0]) ?: $_SERVER['argv'][0]; | ||
| $programName = basename($localFilename); | ||
| $tempFilename = dirname($localFilename) . '/' . basename($localFilename, '.phar') . '-temp.phar'; | ||
|
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| // check for permissions in local filesystem before start connection process | ||
| if (! is_writable($tempDirectory = dirname($tempFilename))) { | ||
| throw new \Exception( | ||
| $programName . ' update failed: the "' . $tempDirectory . | ||
| '" directory used to download the temp file could not be written' | ||
| ); | ||
| } | ||
|
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| if (! is_writable($localFilename)) { | ||
| throw new \Exception( | ||
| $programName . ' update failed: the "' . $localFilename . '" file could not be written (execute with sudo)' | ||
| ); | ||
| } | ||
|
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| list( $latest, $downloadUrl ) = $this->getLatestReleaseFromGithub(); | ||
|
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|
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| if ($this->currentVersion == $latest) { | ||
| $output->writeln('No update available'); | ||
| return; | ||
| } | ||
|
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| $fs = new sfFilesystem(); | ||
|
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| $output->writeln('Downloading ' . $this->applicationName . ' (' . $this->gitHubRepository . ') ' . $latest); | ||
|
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| $fs->copy($downloadUrl, $tempFilename); | ||
|
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| $output->writeln('Download finished'); | ||
|
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| try { | ||
| \error_reporting(E_ALL); // supress notices | ||
|
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| @chmod($tempFilename, 0777 & ~umask()); | ||
| // test the phar validity | ||
| $phar = new \Phar($tempFilename); | ||
| // free the variable to unlock the file | ||
| unset($phar); | ||
| @rename($tempFilename, $localFilename); | ||
| $output->writeln('<info>Successfully updated ' . $programName . '</info>'); | ||
| $this->_exit(); | ||
| } catch (\Exception $e) { | ||
| @unlink($tempFilename); | ||
| if (! $e instanceof \UnexpectedValueException && ! $e instanceof \PharException) { | ||
| throw $e; | ||
| } | ||
| $output->writeln('<error>The download is corrupted (' . $e->getMessage() . ').</error>'); | ||
| $output->writeln('<error>Please re-run the self-update command to try again.</error>'); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Stop execution | ||
| * | ||
| * This is a workaround to prevent warning of dispatcher after replacing | ||
| * the phar file. | ||
| * | ||
| * @return void | ||
| */ | ||
| protected function _exit() | ||
| { | ||
| exit; | ||
| } | ||
| } |