apiVersion: tekton.dev/v1
kind: Task
metadata:
  name: git-replace-multi
  annotations:
    tekton.dev/pipelines.minVersion: "0.19.0"
    tekton.dev/categories: GitOps
    tekton.dev/tags: git, devops
    tekton.dev/displayName: "replace multiple files/dirs in git repository"
    tekton.dev/platforms: "linux/amd64"
spec:
  description: |
    Replaces multiple files or directories in a Git repository, committing and pushing the changes.

  params:
    - name: repositoryUrl
      type: string
      description: Source repository URL

    - name: branch
      type: string
      default: main
      description: Git branch to push to

    - name: targetPaths
      type: array
      description: List of target paths in the repo (file or directory, e.g. dir/ or file)

    - name: sourcePaths
      type: array
      description: List of source paths in the workspace (file or directory, e.g. dir/ or file)

    - name: commitMessage
      type: string
      default: "chore(gitops): replace multiple files or dirs"
      description: Commit message

  workspaces:
    - name: base
    - name: tmp

  steps:
    - name: clone-repository
      image: alpine/git:latest
      script: |
        #!/bin/sh
        set -e
        REPO_URL="$(params.repositoryUrl)"
        BRANCH="$(params.branch)"
        WORKSPACE_PATH="$(workspaces.tmp.path)"
        git clone --branch "${BRANCH}" "${REPO_URL}" "${WORKSPACE_PATH}/repo"
        cd "${WORKSPACE_PATH}/repo"

    - name: sync-files
      image: alpine:3.18
      script: |
        #!/bin/sh
        set -e
        TARGET_PATHS=($(params.targetPaths[*]))
        SOURCE_PATHS=($(params.sourcePaths[*]))
        BASE_PATH="$(workspaces.base.path)/source"
        REPO_PATH="$(workspaces.tmp.path)/repo"
        COUNT=${#TARGET_PATHS[@]}
        if [ $COUNT -ne ${#SOURCE_PATHS[@]} ]; then
          echo "targetPaths와 sourcePaths의 길이가 다릅니다."
          exit 1
        fi
        for i in $(seq 0 $(($COUNT - 1))); do
          TARGET="${REPO_PATH}/${TARGET_PATHS[$i]}"
          SOURCE="${BASE_PATH}/${SOURCE_PATHS[$i]}"
          [ -e "${TARGET}" ] && rm -rf "${TARGET}" || true
          mkdir -p $(dirname "${TARGET}")
          cp -r "${SOURCE}" "${TARGET}"
        done

    - name: commit-and-push
      image: alpine/git:latest
      script: |
        #!/bin/sh
        set -e
        cd "$(workspaces.tmp.path)/repo"
        git config --global user.name "tekton-bot"
        git config --global user.email "tekton@example.com"
        git add .
        git commit -m "$(params.commitMessage)" || exit 0
        git push origin HEAD:"$(params.branch)"

  volumes:
    - name: tmp
      emptyDir: {}