# Copyright 2021 The Tekton Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: tekton.dev/v1
kind: TaskRun
metadata:
  generateName: build-chains-
  labels:
    build: chains
spec:
  params:
    - name: url
      value: https://github.com/tektoncd/chains
    - name: revision
      value: v0.3.0
  workspaces:
    - name: source
      emptyDir: {}
  taskSpec:
    params:
      - name: url
      - name: revision
    workspaces:
      - name: source
    results:
      - name: IMAGE_URL
      - name: IMAGE_DIGEST
    steps:
    - name: ko
      image: gcr.io/tekton-releases/dogfooding/ko@sha256:ff918ec2c8bbe416d5a9b6f9d25dfe9012dce673922fe7b2d5d69a99b02df0ac
      workingDir: /workspaces
      env:
      - name: KO_DOCKER_REPO
        value: myrepo
      - name: GO111MODULE
        value: "off"
      - name: GOFLAGS
        value: "-mod=vendor"
      - name: GOPATH
        value: /workspace/go
      script: |
        #!/usr/bin/env sh
        set -ex

        git clone $(params.url) $(workspaces.sources)
        cd $(workspaces.sources)
        git checkout $(params.revision)
        
        # For each cmd/* directory, include a full gzipped tar of all source in
        # vendor/. This is overkill. Some deps' licenses require the source to be
        # included in the container image when they're used as a dependency.
        # Rather than trying to determine which deps have this requirement (and
        # probably get it wrong), we'll just targz up the whole vendor tree and
        # include it. As of 9/20/2019, this amounts to about 11MB of additional
        # data in each image.
        TMPDIR=$(mktemp -d)
        tar cfz ${TMPDIR}/source.tar.gz vendor/
        for d in cmd/*; do
          if [ -d ${d}/kodata/ ]; then
            ln -s ${TMPDIR}/source.tar.gz ${d}/kodata/
          fi
        done

        # Rewrite "devel" to params.versionTag
        sed -i -e 's/\(chains.tekton.dev\/release\): "devel"/\1: "v0.3.0"/g' -e 's/\(app.kubernetes.io\/version\): "devel"/\1: "v0.3.0"/g' -e 's/\(version\): "devel"/\1: "v0.3.0"/g' ./config/*.yaml

        ko resolve '--platform=linux/amd64,linux/arm64' --preserve-import-paths -t v0.3.0 -f ./config > release.yaml
        grep image: ./release.yaml | cut -d '@' -f 2 > $(results.IMAGE_DIGEST.path)
        grep image: ./release.yaml | cut -d '@' -f 1 > $(results.IMAGE_URL.path)