fix(service): extract the label part from what is returned by the met…

…adata action

Signed-off-by: Sven Trieflinger <[email protected]>

.github/workflows/service.publish.yaml

@@ -68,12 +68,20 @@ jobs:
         uses: imjasonh/[email protected]
       - name: Publish Docker Images
         run: |
-          # Generate tags flag
+          # Generate tags flag (Metadata action output is newline delimited entries like
+          # 'ghcr.io/carbynestack/ephemeral:0.1.10' and we only need the part after the colon)
           readarray -t tags < <( echo "${{ steps.meta.outputs.tags }}" )
+          for i in "${!tags[@]}"; do
+            readarray -d ":" -t parts < <( echo "${tags[i]}" )
+            tags[i]=$(echo "${parts[1]}" | tr -d '\n')
+          done
           printf -v joined_tags "%s," "${tags[@]}"
+
           # Generate label flags
           readarray -t labels < <( echo "${{ steps.meta.outputs.labels }}" )
           printf -v label_flags -- "--image-label=%s " "${labels[@]}"
+
+          # Publish using ko
           ko publish -B \
             --tags="${joined_tags%,}" \
             "${label_flags}" \