Fix missing tagger folder

Author: z4ce

concourse-pipeline-hacks/tagger/README.md

@@ -0,0 +1,7 @@
+# Concourse Pipeline Tagger
+
+Tags every item in a plan with a given tag name
+```
+cat pipeline.yml | ./tagger.py remote-worker
+```
+

concourse-pipeline-hacks/tagger/tagger.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+
+import yaml
+import sys
+
+def process_job(job):
+    for item in job['plan']:
+       process_item(item)
+
+def process_item(item):
+     if "aggregate" in item:
+        for sub_item in item["aggregate"]:
+            process_item(sub_item)
+     else:
+        try:
+          item["tags"] = [sys.argv[1]]
+        except:
+          print("Couldn't tag item", item)
+
+if __name__ == "__main__":
+    pipeline = yaml.safe_load(sys.stdin.read())
+    for job in pipeline['jobs']:
+       process_job(job)
+    print(yaml.dump(pipeline))
+
+