Merge pull request #172 from pantheon-systems/update-checker

Check github api for latest version and alert if new version is found

php/boot-fs.php

@@ -6,7 +6,6 @@
   echo "Only CLI access.\n";
   die(-1);
 }
-
 if ( version_compare( PHP_VERSION, '5.3.0', '<' ) ) {
   printf( "Error: Terminus requires PHP %s or newer. You are running version %s.\n", '5.3.0', PHP_VERSION );
   die(-1);

php/class-terminus.php

@@ -3,6 +3,7 @@
 use \Terminus\Utils;
 use \Terminus\Dispatcher;
 use \Terminus\FileCache;
+use \Terminus\Request;
 
 /**
  * Various utilities for Terminus commands.
@@ -170,6 +171,16 @@ static function log( $message, $params = array() ) {
     self::$logger->info( $message );
   }
 
+  /**
+   * Colorized logging
+   * 
+   * @param $message string
+   * @param $params array
+  **/
+  static function color($message) {
+    \Terminus\Loggers\Regular::coloredOutput($message);
+  }
+
   /**
    * Display a success in the CLI and end with a newline
    *
@@ -191,7 +202,10 @@ static function warning( $message, $params = array() ) {
     if ( !empty($params) ) {
       $message = vsprintf($message, $params);
     }
-    self::$logger->warning( self::error_to_string( $message ) );
+    if (!Terminus::$logger) {
+      Terminus::set_logger(new \Terminus\Loggers\Regular(TRUE));
+    }
+    Terminus::$logger->warning( self::error_to_string( $message ) );
   }
 
   /**
@@ -423,4 +437,27 @@ static function is_test() {
       return true;
     return false;
   }
+
+  /**
+   * Latest release
+  */
+  static function version_available() {
+    $cache = Terminus::get_cache();
+    if (! $release = $cache->get_data(__FUNCTION__) ) {
+      $url = "https://api.github.com/repos/pantheon-systems/cli/releases?per_page=1";
+      $response = Request::send($url,'GET');   
+      $json = $response->getBody(TRUE);
+      $release = array_shift(json_decode($json));
+      $cache->put_data(__FUNCTION__,$release);
+    }
+    return $release->tag_name;
+  }
+
+  static public function update_available() {
+    $latest = Terminus::version_available();
+    if (version_compare($latest, TERMINUS_VERSION, ">")) {
+      return true;
+    }
+    return false; 
+  }
 }

php/terminus.php

@@ -30,5 +30,8 @@
 }
 define( 'TERMINUS_PORT', '443' );
 
+if (Terminus::update_available()) {
+  \cli\line(\cli\Colors::colorize("%3%KWarning: There is a newer version of Terminus (". Terminus::version_available().") avaiable %n"));
+}
 
 Terminus::get_runner()->run();