apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: yq
  labels:
    app.kubernetes.io/version: "0.4"
  annotations:
    tekton.dev/pipelines.minVersion: "0.12.1"
    tekton.dev/categories: Developer Tools
    tekton.dev/tags: yq
    tekton.dev/displayName: "YQ"
    tekton.dev/platforms: "linux/amd64"
spec:
  description: >-
    This task can be used to replace fields in YAML files. For example for altering helm charts on GitOps repos.
  workspaces:
    - name: source
      description: A workspace that contains the file which needs to be altered.
  params:
    - name: SCRIPT
      type: string
      description: The yq script to execute. Can be multiple lines for complex tasks.
      default: ""
    - name: image
      type: string
      description: The yq image to use.
      default: docker.io/mikefarah/yq:4.27.5@sha256:2be3626ed633fbe1fc33ee9343a1256a6be53334412b2251b9a859f8c145bb53
    - name: files
      type: array
      description: (deprecated, use SCRIPT instead) A list of files to execute the expression on. Needs to be relative to the source workspace.
      default: []
    - name: expression
      type: string
      description: (deprecated, use SCRIPT instead) The yq expression to apply. Can be used to replace yaml fields.
      default: ""
  results:
    - name: yq
      description: The result from your yq command. You can write to it using `$(results.yq.path)`
  steps:
    - name: yq-script
      image: $(params.image)
      workingDir: $(workspaces.source.path)
      args: ["$(params.files[*])"]
      script: |
        /usr/bin/env sh
        set -e

        # For backwards compatibility with previous versions
        if [ "$(params.SCRIPT)" = "" ]; then
          for var in "$@"
          do
              /usr/bin/yq eval -i "$(params.expression)" "$var"
          done
          exit $?
        fi

        $(params.SCRIPT)