feat: limbo_actions/buildkit-build-push: added build_args argument

.gitea/limbo_actions/buildkit-build-push/action.yaml

@@ -1,8 +1,7 @@
-name: BuildKit Build and Deploys
-description: "Build and deploy images"
-
+name: BuildKit Build and push
+description: "Build and push images using remote Buildkit"
 inputs:
-  registry_addr: 
+  registry_addr:
     description: registry address
     required: true
   registry_username:
@@ -24,15 +23,19 @@ inputs:
   dockerfile:
     description: "buildctl build dockerfile/folder"
     required: true
-    default: "."       
+    default: "."
   filename:
     description: "Docker file name (Default: Dockerfile)"
     required: true
-    default: "Dockerfile"   
+    default: "Dockerfile"
+  build_args:
+    description: "Build arguments (multiline KEY=VALUE)"
+    required: false
+    default: ""
 runs:
   using: "composite"
   steps:
-    - name: run buildctl built and push
+    - name: run buildctl build and push
       shell: bash
       run: |
 
@@ -43,7 +46,6 @@ runs:
         # clean up
         trap 'rm -rf "$DOCKER_CONFIG_DIR"' EXIT
 
-
         # setup file docker config (auth) temp file
         AUTH=$(printf "%s" "${{ inputs.registry_username }}:${{ inputs.registry_password }}" | base64 -w 0)
         cat > "$DOCKER_CONFIG_DIR/config.json" <<EOF
@@ -56,7 +58,16 @@ runs:
         }
         EOF
 
-        # Run BuildKit build, set DOCKER_CONFIG to DOCKER_CONFIG_DIR so auth works on push 
+        # Build build-arg flags
+        BUILD_ARG_FLAGS=""
+        while IFS= read -r line; do
+          [[ -z "$line" ]] && continue
+          BUILD_ARG_FLAGS="$BUILD_ARG_FLAGS --opt build-arg:${line}"
+        done <<< "${{ inputs.build_args }}"
+
+        echo "Using build args: $BUILD_ARG_FLAGS"
+
+        # Run BuildKit build
         DOCKER_CONFIG=$DOCKER_CONFIG_DIR buildctl \
           --addr ${{ inputs.buildkit_addr }} \
           build \
@@ -64,6 +75,7 @@ runs:
           --local context=${{ inputs.context }} \
           --local dockerfile=${{ inputs.dockerfile }} \
           --opt filename=${{ inputs.filename }} \
+          $BUILD_ARG_FLAGS \
           --output type=image,name=${{ inputs.tags }},push=true