Allow core and project keys to be set

Author: lkmorlan

src/Writer/Drupal.php

@@ -30,13 +30,13 @@ public function set(array $paths)
     /**
      * {@inheritdoc}
      */
-    public function rewrite($version, $timestamp)
+    public function rewrite($version, $timestamp, $core = null, $project = null)
     {
         foreach ($this->paths as $info_file) {
             // Don't write to files that already contain version information.
             if (!$this->hasVersionInfo($info_file)) {
                 $file = fopen($info_file, 'a+');
-                fwrite($file, $this->formatInfo($version, $timestamp));
+                fwrite($file, $this->formatInfo($version, $timestamp, $core, $project));
                 fclose($file);
             }
         }
@@ -58,14 +58,20 @@ public function rollback()
     /**
      * Format version and timestamp into YAML.
      */
-    protected function formatInfo($version, $timestamp)
+    protected function formatInfo($version, $timestamp, $core = null, $project = null)
     {
         $date = gmdate('c', $timestamp);
         $info = array();
         // Always start with EOL character.
         $info[] = '';
         $info[] = "# Information added by drupal-composer/info-rewrite on $date.";
         $info[] = "version: '$version'";
+        if ($core) {
+            $info[] = "core: '$core'";
+        }
+        if ($project) {
+            $info[] = "project: '$project'";
+        }
         $info[] = "datestamp: $timestamp";
         // Always end with EOL character.
         $info[] = '';

src/Writer/Drupal7.php

@@ -15,14 +15,20 @@ class Drupal7 extends Drupal
     /**
      * Format version and timestamp into INI format.
      */
-    protected function formatInfo($version, $timestamp)
+    protected function formatInfo($version, $timestamp, $core = null, $project = null)
     {
         $date = gmdate('c', $timestamp);
         $info = array();
         // Always start with EOL character.
         $info[] = '';
         $info[] = "; Information added by drupal-composer/info-rewrite on $date.";
         $info[] = "version = \"$version\"";
+        if ($core) {
+            $info[] = "core = \"$core\"";
+        }
+        if ($project) {
+            $info[] = "project = \"$project\"";
+        }
         $info[] = "datestamp = \"$timestamp\"";
         // Always end with EOL character.
         $info[] = '';

src/Writer/WriterInterface.php

@@ -22,7 +22,7 @@ public function set(array $paths);
      * @param  string $timestamp
      * @return
      */
-    public function rewrite($version, $timestamp);
+    public function rewrite($version, $timestamp, $core = null, $project = null);
 
     /**
      * Rollback the info files to their download/unprocessed state.