composer/plugin/docker4drupal#33 Better handling of git lfs as well

BaseHandler.php

@@ -136,4 +136,11 @@ abstract class BaseHandler implements BaseHandlerInterface {
     Utils::gitIgnore($pattern);
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function gitLFS($pattern) {
+    Utils::gitLFS($pattern);
+  }
+
 }

BaseHandlerInterface.php

@@ -74,4 +74,12 @@ interface BaseHandlerInterface {
    */
   public function gitIgnore($pattern);
 
+  /**
+   * Add the given pattern to git lfs if necessary.
+   *
+   * @param string $pattern
+   *   The pattern which should be added.
+   */
+  public function gitLFS($pattern);
+
 }

Utils.php

@@ -43,6 +43,11 @@ final class Utils {
    */
   private static $ignoredGitPatterns;
 
+  /**
+   * @var string
+   */
+  private static $lfsGitPatterns;
+
   /**
    * Utils constructor.
    *
@@ -202,4 +207,22 @@ final class Utils {
     self::git('ignore ' . $pattern);
   }
 
+  /**
+   * @param string $pattern
+   */
+  public static function gitLFS($pattern) {
+    if (self::$lfsGitPatterns === NULL) {
+      $output = [];
+      exec('git lfs track', $output);
+      self::$lfsGitPatterns = implode(PHP_EOL, $output);
+    }
+
+    if (strpos(self::$lfsGitPatterns, $pattern)) {
+      return;
+    }
+
+    self::$lfsGitPatterns = $pattern . PHP_EOL;
+    self::git('lfs track ' . $pattern);
+  }
+
 }