---
apiVersion: tekton.dev/v1alpha1
kind: Task
metadata:
  name: git-clone
spec:
  workspaces:
    - name: output
      description: workspace the repo will be cloned into
  params:
    - name: url
      description: git url to clone
      type: string
    - name: revision
      description: git revision to checkout (branch, tag, sha, ref…)
      type: string
      default: master
    - name: submodules
      description: defines if the resource should initialize and fetch the submodules
      type: string
      default: "true"
    - name: depth
      description: performs a shallow clone where only the most recent commit(s) will be fetched
      type: string
      default: "1"
    - name: sslVerify
      description: defines if http.sslVerify should be set to true or false in the global git config
      type: string
      default: "true"
    - name: subdirectory
      description: subdirectory inside the "output" workspace to clone the git repo into
      type: string
      default: "src"
    - name: deleteExisting
      description: clean out the contents of the repo's destination directory (if it already exists) before trying to clone the repo there
      type: string
      default: "true"
  results:
    - name: commit
      description: The precise commit SHA that was fetched by this Task
  steps:
    - name: clone
      image: gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/git-init:latest
      script: |
        CHECKOUT_DIR="$(workspaces.output.path)"
        cleandir() {
          if [[ -d "$CHECKOUT_DIR" ]] ; then
            rm -rf "$CHECKOUT_DIR"/*
            rm -rf "$CHECKOUT_DIR"/.[!.]*
            rm -rf "$CHECKOUT_DIR"/..?*
          fi
        }
        if [[ "$(inputs.params.deleteExisting)" == "true" ]] ; then
          cleandir
          ls -lah "$CHECKOUT_DIR"
        fi
        /ko-app/git-init \
          -url "$(inputs.params.url)" \
          -revision "$(inputs.params.revision)" \
          -path "$CHECKOUT_DIR" \
          -sslVerify "$(inputs.params.sslVerify)" \
          -submodules "$(inputs.params.submodules)" \
          -depth "$(inputs.params.depth)"
        cd "$CHECKOUT_DIR"
        RESULT_SHA="$(git rev-parse HEAD | tr -d '\n')"
        EXIT_CODE="$?"
        if [ "$EXIT_CODE" != 0 ]
        then
          exit $EXIT_CODE
        fi
        # Make sure we don't add a trailing newline to the result!
        echo -n "$RESULT_SHA" > $(results.commit.path)