apiVersion: tekton.dev/v1
kind: Task
metadata:
  name: maidn-node-static-image
  namespace: tekton-pipelines
spec:
  stepTemplate:
    env:
      - name: HOME
        value: /tekton/home
    securityContext:
      runAsNonRoot: true
      runAsUser: 1000
      runAsGroup: 1000
      allowPrivilegeEscalation: false
      capabilities:
        drop:
          - ALL
      seccompProfile:
        type: RuntimeDefault
  params:
    - name: url
      type: string
    - name: revision
      type: string
    - name: image
      type: string
    - name: output-directory
      type: string
    - name: build-configuration
      type: string
      default: ci
    - name: base-image
      type: string
      default: nginx:1.27-alpine
    - name: target-directory
      type: string
      default: /www/target
  workspaces:
    - name: source
  volumes:
    - name: registry-credentials
      secret:
        secretName: forgejo-registry-credentials
        items:
          - key: .dockerconfigjson
            path: config.json
  steps:
    - name: clone
      image: alpine/git:2.47.2
      env:
        - name: REPOSITORY_URL
          value: $(params.url)
        - name: REVISION
          value: $(params.revision)
        - name: SOURCE_PATH
          value: $(workspaces.source.path)
      script: |
        #!/bin/sh
        set -eu
        case "$REPOSITORY_URL" in https://git.pingu.pw/*) ;; *) exit 1 ;; esac
        repository_path=${REPOSITORY_URL#https://git.pingu.pw/}
        case "$repository_path" in *.git) ;; *) exit 1 ;; esac
        case "$repository_path" in ''|*[!A-Za-z0-9._/-]*|/*|*//*|*..*) exit 1 ;; esac
        case "$REVISION" in [A-Za-z0-9]*) ;; *) exit 1 ;; esac
        case "$REVISION" in *[!A-Za-z0-9._/-]*|*..*|*//*|*/) exit 1 ;; esac
        git clone "$REPOSITORY_URL" "$SOURCE_PATH"
        git config --global --add safe.directory "$SOURCE_PATH"
        git -C "$SOURCE_PATH" checkout "$REVISION"
    - name: build-layer
      image: node:22-alpine
      workingDir: $(workspaces.source.path)
      env:
        - name: IMAGE
          value: $(params.image)
        - name: REVISION
          value: $(params.revision)
        - name: OUTPUT_DIRECTORY
          value: $(params.output-directory)
        - name: TARGET_DIRECTORY
          value: $(params.target-directory)
        - name: BUILD_CONFIGURATION
          value: $(params.build-configuration)
      script: |
        #!/bin/sh
        set -eu
        case "$IMAGE" in git.pingu.pw/*) ;; *) exit 1 ;; esac
        image_path=${IMAGE#git.pingu.pw/}
        case "$image_path" in ''|*[!A-Za-z0-9._/-]*|/*|*//*|*..*|*/) exit 1 ;; esac
        case "$REVISION" in [A-Za-z0-9]*) ;; *) exit 1 ;; esac
        case "$REVISION" in *[!A-Za-z0-9._/-]*|*..*|*//*|*/) exit 1 ;; esac
        case "$OUTPUT_DIRECTORY" in ''|/*|-*|*[!A-Za-z0-9._/-]*|*..*|*//*|*/) exit 1 ;; esac
        case "$TARGET_DIRECTORY" in /*) ;; *) exit 1 ;; esac
        target_path=${TARGET_DIRECTORY#/}
        case "$target_path" in ''|-*|*[!A-Za-z0-9._/-]*|*..*|*//*|*/) exit 1 ;; esac
        # ponytail: no lockfile; skip install scripts and use npm ci when package-lock.json is committed.
        npm install --ignore-scripts --no-audit --no-fund --package-lock=false
        npm run build -- --configuration "$BUILD_CONFIGURATION"
        test -d "$OUTPUT_DIRECTORY"
        layer_dir=$(mktemp -d)
        trap 'rm -rf "$layer_dir"' EXIT
        mkdir -p "$layer_dir/$target_path"
        cp -R "$OUTPUT_DIRECTORY"/. "$layer_dir/$target_path/"
        tar -C "$layer_dir" -cf layer.tar "$target_path"
    - name: push
      image: gcr.io/go-containerregistry/crane:v0.21.7
      args:
        - append
        - --base=$(params.base-image)
        - --new_layer=$(workspaces.source.path)/layer.tar
        - --new_tag=$(params.image):$(params.revision)
      volumeMounts:
        - name: registry-credentials
          mountPath: /tekton/home/.docker