From 391dab74ee7a343799d2f0dff0ec7baf05b00927 Mon Sep 17 00:00:00 2001
From: Robert Kaussow <mail@geeklabor.de>
Date: Mon, 4 May 2020 09:21:00 +0200
Subject: [PATCH] add function to append a static tag list

---
 dockerautotag/Cli.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dockerautotag/Cli.py b/dockerautotag/Cli.py
index e2f11ce..b67d7d3 100644
--- a/dockerautotag/Cli.py
+++ b/dockerautotag/Cli.py
@@ -51,7 +51,10 @@ class Autotag:
 
     @staticmethod
     def _tag_extra(tags, extra):
-        pass
+        if extra:
+            e = [x.strip() for x in extra.split(",")]
+
+        return tags + e or []
 
     @staticmethod
     def _tag_suffix(tags, suffix):
@@ -113,6 +116,7 @@ class Autotag:
 
         v = self._default_tags(config["version"], config["ignore_pre"], config["force_latest"])
         v = self._tag_suffix(v, config["suffix"])
+        v = self._tag_extra(v, config["extra"])
 
         if config["file"]:
             try: