ci: 👷 only build since last master instead of last tag

Signed-off-by: Manuel Ruck <[email protected]>

.github/workflows/pull_request.yaml

@@ -11,13 +11,25 @@ on:
 
 jobs:
   analyse-changed-services:
-    uses: ./.github/workflows/get-changed-services.yaml
+    runs-on: ubuntu-latest
+    outputs:
+      CHANGED_PACKAGES: ${{ steps.changed-packages.outputs.CHANGED_PACKAGES }}
+    steps:
+      - name: Analyze changed services
+        run: |
+          pnpm list -r --json --filter "...[$SINCE]" --changed-files-ignore-pattern="**/(garden.yml|.dockerignore)" | jq '[.[] | select(.private == false) | {name, path}]' > ./tmp.json
+          CHANGED_PACKAGES=$(jq '[.[] | .name]' ./tmp.json)
+          echo CHANGED_PACKAGES=$CHANGED_PACKAGES  >> $GITHUB_OUTPUT
+          echo CHANGED_PACKAGES=$CHANGED_PACKAGES
+        id: changed-packages
+        env:
+          SINCE: master
 
   build-and-push:
     uses: ./.github/workflows/build-and-push.yaml
     needs: analyse-changed-services
     with:
-      changedPackages: ${{ needs.analyse-changed-services.outputs.CHANGED_PACKAGES }}
+      changedPackages: ${{fromJson(needs.analyse-changed-services.outputs.CHANGED_PACKAGES)}}
     secrets:
       DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
       DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}