# This cloud build job is only used to build kustomize docker image and push
# it to gcr.io repo.
steps:
  - name: "bash"
    args:
      - "echo"
      - "Cloud build substitution check: "
      - "BUILD_ID=$BUILD_ID"
      - "PROJECT_ID=$PROJECT_ID"
      - "_GIT_TAG=$_GIT_TAG"
      - "_PULL_BASE_REF=$_PULL_BASE_REF"
# We need to use bash to configure the build date and version properly.
  - name: "gcr.io/cloud-builders/docker"
    entrypoint: /bin/bash
    args:
      - -c
      - >
        docker
        build
        -t
        gcr.io/$PROJECT_ID/kustomize:${_GIT_TAG}
        -t
        gcr.io/$PROJECT_ID/kustomize:latest
        -f
        kustomize.Dockerfile
        --build-arg
        VERSION=${_PULL_BASE_REF}
        --build-arg
        DATE=$(date -u +%FT%TZ)
        .

images:
  - "gcr.io/$PROJECT_ID/kustomize:${_GIT_TAG}"
  - "gcr.io/$PROJECT_ID/kustomize:latest"

substitutions:
  # _GIT_TAG will be filled with a git-based tag for the image, of the form vYYYYMMDD-hash, and
  # can be used as a substitution
  _GIT_TAG: "12345"
  # _PULL_BASE_REF will contain the ref that was pushed to to trigger this build -
  # a branch like 'master' or 'release-0.2', or a tag like 'v0.2'.
  _PULL_BASE_REF: "master"
  # Other substitutions will not be evaluated

options:
  substitution_option: ALLOW_LOOSE