apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: generate-build-id
  labels:
    app.kubernetes.io/version: "0.1"
  annotations:
    tekton.dev/pipelines.minVersion: "0.12.1"
    tekton.dev/categories: Build Tools
    tekton.dev/tags: build-tool
    tekton.dev/displayName: "buildid"
    tekton.dev/platforms: "linux/amd64,linux/s390x,linux/ppc64le,linux/arm64"
spec:
  description: >-
    Given a base version, this task generates a unique build id by appending
    the base-version to the current timestamp.

  params:
    - name: toolbox-image
      default: sebt3/basic-toolbox-image:1.29.4
      description: The name of the toolbox image
      type: string
    - name: branch
      type: string
  results:
    - name: timestamp
      description: Current timestamp
    - name: commitcount
      description: Current commitcount
    - name: build-id
      description: Current commitcount
  steps:
    - name: get-build-id
      image: $(params.toolbox-image)
      workingDir: $(workspaces.source.path)
      script: |
        #!/usr/bin/env bash
        git config --global --add safe.directory /workspace/source
        ts=`date "+%Y%m%d-%H%M%S"`
        t2=`date "+%Y%m%d.%H%M%S"`
        cc=`git rev-list --count HEAD`
        buildId="$(params.branch)-${cc}.${t2}"
        echo -n "Current Timestamp: "
        echo -n ${ts} | tee $(results.timestamp.path)
        echo -ne "\nCommit Count: "
        echo -n ${cc} | tee $(results.commitcount.path)
        echo -ne "\nBuild ID: "
        echo -n ${buildId} | tee $(results.build-id.path)
  workspaces:
    - name: source
      description: A workspace that contains the fetched git repository to create a version for.