name: Changed files
description: Get all changed files for push and pull request events.
author: tj-actions

inputs:
  token:
    description: 'Github token'
    required: true
    default: ${{ github.token }}
  separator:
    description: 'Split character for array output'
    required: true
    default: " "
  files_from_source_file:
    description: 'Source file to populate the files input'
    required: false
    default: ""
  files:
    description: 'Check for changes using only this list of files (Defaults to the entire repo)'
    required: false
    default: ""
  sha:
    description: 'Specify a current commit SHA used for comparing changes'
    required: true
    default: ${{ github.sha }}
  base_sha:
    description: 'Specify a base commit SHA on used for comparing changes'
    required: false
  since_last_remote_commit:
    description: 'Use the last commit on the remote branch as the base_sha for push event.'
    required: false
    default: 'false'
  path:
    description: 'Specify a relative path under $GITHUB_WORKSPACE to locate the repository'
    required: false

outputs:
  added_files:
    description: List of added files.
    value: ${{ steps.changed-files.outputs.added_files }}
  copied_files:
    description: List of copied files.
    value: ${{ steps.changed-files.outputs.copied_files }}
  deleted_files:
    description: List of deleted files.
    value: ${{ steps.changed-files.outputs.deleted_files }}
  modified_files:
    description: List of modified files.
    value: ${{ steps.changed-files.outputs.modified_files }}
  renamed_files:
    description: List of renamed files.
    value: ${{ steps.changed-files.outputs.renamed_files }}
  type_changed_files:
    description: List of files that had type changes.
    value: ${{ steps.changed-files.outputs.type_changed_files }}
  unmerged_files:
    description: List of unmerged files.
    value: ${{ steps.changed-files.outputs.unmerged_files }}
  unknown_files:
    description: List of unknown files.
    value: ${{ steps.changed-files.outputs.unknown_files }}
  all_changed_and_modified_files:
    description: List of all changed files.
    value: ${{ steps.changed-files.outputs.all_changed_and_modified_files }}
  all_changed_files:
    description: List of all copied, modified, and added files.
    value: ${{ steps.changed-files.outputs.all_changed_files }}
  any_changed:
    description: Return true only when any files provided using the files input have changed.
    value: ${{ steps.changed-files.outputs.any_changed }}
  only_changed:
    description: Return true when all files provided using the files input have changed.
    value: ${{ steps.changed-files.outputs.only_changed }}
  other_changed_files:
    description: Return list of changed files not listed in the files input.
    value: ${{ steps.changed-files.outputs.other_changed_files }}
  all_modified_files:
    description: List of all copied, modified, added and deleted files.
    value: ${{ steps.changed-files.outputs.all_modified_files }}
  any_modified:
    description: Return true only when any files provided using the files input have been modified.
    value: ${{ steps.changed-files.outputs.any_modified }}
  only_modified:
    description: Return true when all files provided using the files input have been modified.
    value: ${{ steps.changed-files.outputs.only_modified }}
  other_modified_files:
    description: Return list of modified files not listed in the files input.
    value: ${{ steps.changed-files.outputs.other_modified_files }}
  any_deleted:
    description: Return true only when any files provided using the files input have been deleted.
    value: ${{ steps.changed-files.outputs.any_deleted }}
  only_deleted:
    description: Return true when all files provided using the files input have been deleted.
    value: ${{ steps.changed-files.outputs.only_deleted }}
  other_deleted_files:
    description: Return list of deleted files not listed in the files input.
    value: ${{ steps.changed-files.outputs.other_deleted_files }}

runs:
  using: 'composite'
  steps:
    - run: |
        bash $GITHUB_ACTION_PATH/sourcefiles.sh
      id: source-input-files
      shell: bash
      env:
        # INPUT_<VARIABLE_NAME> is not available in Composite run steps
        # https://github.community/t/input-variable-name-is-not-available-in-composite-run-steps/127611
        INPUT_FILES: ${{ inputs.files }}
        INPUT_FILES_FROM_SOURCE_FILE: ${{ inputs.files_from_source_file }}
    - name: Glob match
      uses: tj-actions/glob@v3.2
      id: glob
      with:
        files: ${{ steps.source-input-files.outputs.files }}
        files-separator: " "
    - run: |
        # "Set base sha..."
        if [[ -n "${{ inputs.base_sha }}" ]]; then
          echo "::set-output name=base_sha::${{ inputs.base_sha }}"
        elif [[ "${{ inputs.since_last_remote_commit }}" == "true" ]]; then
          if [[ "${{ github.event.before }}" != "0000000000000000000000000000000000000000" ]]; then
            echo "::set-output name=base_sha::${{ github.event.before }}"
          else
            echo "::set-output name=base_sha::${{ github.sha }}"
          fi
        fi
      id: base-sha
      shell: bash
    - run: |
        bash $GITHUB_ACTION_PATH/entrypoint.sh
      id: changed-files
      shell: bash
      env:
        GITHUB_SERVER_URL: ${{ github.server_url }}
        GITHUB_REPOSITORY: ${{ github.repository }}
        GITHUB_BASE_REF: ${{ github.base_ref }}
        # INPUT_<VARIABLE_NAME> is not available in Composite run steps
        # https://github.community/t/input-variable-name-is-not-available-in-composite-run-steps/127611
        INPUT_SHA: ${{ inputs.sha }}
        INPUT_BASE_SHA: ${{ steps.base-sha.outputs.base_sha }}
        INPUT_TOKEN: ${{ inputs.token }}
        INPUT_FILES: ${{ steps.glob.outputs.paths }}
        INPUT_SEPARATOR: ${{ inputs.separator }}
        INPUT_PATH: ${{ inputs.path }}

branding:
  icon: file-text
  color: white