looping through tags to be removed

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

.gitea/workflows/docker.yaml

@@ -50,8 +50,10 @@ jobs:
           TAGS="$(curl -s -u "${{ secrets.REGISTRY_USER }}:${{ secrets.REGISTRY_PASS }}" https://${{ secrets.REGISTRY_PATH }}/v2/umbrella/tags/list | jq -r ".tags[]")"
           COUNT=$(echo "$TAGS" | wc -l)
           REMAIN=$((COUNT - 10))
-          TAGS="$(echo "$TAGS" | head -n $REMAIN)"
-          echo "$TAGS"
-          for TAG in $TAGS; do
-            echo should remove $TAG
+          echo "$TAGS" | head -n $REMAIN > /tmp/old_tags
+
+      - name: Remove tags
+        run: |
+          cat /tmp/old_tags | while read TAG; do
+            echo about to delete $TAG
           done