From f86fd19e352b1350bf3f60b32c37835103594b17 Mon Sep 17 00:00:00 2001
From: romeroalx <alexis.romero@open-xchange.com>
Date: Wed, 22 Nov 2023 10:50:02 +0100
Subject: [PATCH 1/2] make sure image-id is in lowercase

---
 .github/workflows/build-debian-images.yaml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build-debian-images.yaml b/.github/workflows/build-debian-images.yaml
index abf62fe..c7efd05 100644
--- a/.github/workflows/build-debian-images.yaml
+++ b/.github/workflows/build-debian-images.yaml
@@ -25,10 +25,13 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
+      - run: |
+          echo "image-id-lowercase=ghcr.io/${{ github.repository }}/${{ matrix.image-id }}" | tr '[:upper:]' '[:lower:]' >> "$GITHUB_ENV"
+
       - name: Build image
         run: |
           docker build . --file Dockerfile \
-            --tag ghcr.io/${{ github.repository }}/${{ matrix.image-id }}:${{ env.IMAGE_TAG }} \
+            --tag ${{ env.image-id-lowercase }}:${{ env.IMAGE_TAG }} \
             --build-arg DEBIAN_IMAGE_TAG=${{ matrix.debian-release-name }}
 
       - name: Login to GitHub Container Registry
@@ -40,4 +43,4 @@ jobs:
 
       - name: Push into Github Container Registry
         run: |
-          docker push ghcr.io/${{ github.repository }}/${{ matrix.image-id }}:${{ env.IMAGE_TAG }}
+          docker push ${{ env.image-id-lowercase }}:${{ env.IMAGE_TAG }}

From 077e21ddbd4ac3724f3aa31f8dc6c20db363959b Mon Sep 17 00:00:00 2001
From: romeroalx <alexis.romero@open-xchange.com>
Date: Wed, 22 Nov 2023 11:00:23 +0100
Subject: [PATCH 2/2] validate repo on pull_request without pushing images

---
 .github/workflows/build-debian-images.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/build-debian-images.yaml b/.github/workflows/build-debian-images.yaml
index c7efd05..a1a4713 100644
--- a/.github/workflows/build-debian-images.yaml
+++ b/.github/workflows/build-debian-images.yaml
@@ -3,6 +3,7 @@ name: Build Debian images for PDNS CI
 on:
   workflow_dispatch:
   push:
+  pull_request:
   schedule:
     - cron: '0 23 * * *'
 
@@ -35,6 +36,7 @@ jobs:
             --build-arg DEBIAN_IMAGE_TAG=${{ matrix.debian-release-name }}
 
       - name: Login to GitHub Container Registry
+        if: ${{ github.event_name != 'pull_request' }}
         uses: docker/login-action@v2
         with:
           registry: ghcr.io
@@ -42,5 +44,6 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Push into Github Container Registry
+        if: ${{ github.event_name != 'pull_request' }}
         run: |
           docker push ${{ env.image-id-lowercase }}:${{ env.IMAGE_TAG }}