chore: Assert semantic release output

.gitea/workflows/actions.yaml

@@ -18,6 +18,7 @@ jobs:
             @semantic-release/commit-analyzer \
             @semantic-release/exec
       - name: Semantic Release (dry-run)
+        id: sem_rel
         run: |
           npx semantic-release \
             --package @semantic-release/exec \
@@ -32,10 +33,9 @@ jobs:
             # --verifyReleaseCmd 'echo "$${nextRelease.version}" > .version'
         env:
           GIT_CREDENTIALS: djpbessems:${{ secrets.GIT_APIKEY }}
-      # - name: Set output variable
-      #   id: sem_rel
-      #   run: |
-      #     echo "version=$(cat .version)" >> $GITHUB_OUTPUT
+      - name: Assert semantic release output
+        run: |
+          [[ -z "${{ steps.sem_rel.outputs.version }}" ]] && (echo 'No release tag - exiting'; exit 1) || exit 0
 
   Container image:
     container: catthehacker/ubuntu:act-latest
@@ -52,3 +52,32 @@ jobs:
         username: ${{ secrets.GIT_USERNAME }}
         password: ${{ secrets.GIT_APIKEY }}
         tag: ${{ steps.sem_rel.outputs.version }}
+
+  Helm chart:
+    container: alpine/helm
+    runs-on: dind-rootless
+    needs: Semantic Release (Dry-run)
+
+    steps:
+      - name: Inject semantic release version
+        run: |
+          sed -i 's/{{ chart_version }}/'${{ steps.sem_rel.outputs.version }}'/g' charts/spamasaurusrex/Chart.yaml
+          sed -i 's/{{ image_tag }}/'${{ steps.sem_rel.outputs.version }}'/g' charts/spamasaurusrex/values.yaml
+      - name: Package helm chart into archive
+        run: |
+          helm package ./charts/spamasaurusrex
+      - name: Install helm plugin
+        run: |
+          helm plugin install https://github.com/chartmuseum/helm-push
+      - name: Add target helm repository
+        run: |
+          helm repo add \
+            --username $GIT_USERNAME \
+            --password $GIT_APIKEY \
+            spamasaurus \
+            https://code.spamasaurus.com/api/packages/$GIT_USERNAME/helm
+      - name: Push helm chart
+        run: |
+          helm cm-push \
+            spamasaurusrex-*.tgz \
+            spamasaurus