Add image digest as output

.gitea/workflows/rust-kubernetes.yaml

@@ -5,12 +5,17 @@ on:
     inputs:
       generate_crds:
         description: Runs a binary called gencrd in the docker container and writes the output to ./manifests/crds.yaml
-        default: false
+        type: boolean
-        required: false
+      upload_manifests:
+        description: Upload manifest files to OCI repository
         type: boolean
       webhook_url:
         description: Webhook to call after build is completed
         type: string
+    outputs:
+      digest:
+        description: Digest of the build docker container
+        value: ${{ jobs.build.outputs.digest }}
 
 env:
   OCI_REPO: git.huizinga.dev/dreaded_x/${{ gitea.event.repository.name}}
@@ -19,6 +24,8 @@ jobs:
   build:
     name: Build container and manifests
     runs-on: ubuntu-latest
+    outputs:
+      digest: ${{ steps.build.outputs.digest }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -84,10 +91,12 @@ jobs:
           docker run --rm ${{ env.OCI_REPO }}@${{ steps.build.outputs.imageid }} /crdgen > ./manifests/crds.yaml
 
       - name: Kustomize manifests
+        if: inputs.upload_manifests == true
         run: |
           ./kustomize build ./manifests | sed "s/\${DIGEST}/${{ steps.build.outputs.digest }}/" > ./manifests.yaml
 
       - name: Push manifests
+        if: inputs.upload_manifests == true
         run: |
           flux push artifact oci://${{ env.OCI_REPO }}/manifests:${{ gitea.head_ref || gitea.ref_name }} \
             --path="./manifests.yaml" \