action.yml

name: Mirror files action
author: Daniel Bayley
description: GitHub action to easily mirror files between repositories.
branding:
  icon: copy
  color: black

inputs:
  git_author_name:
    description: GIT_AUTHOR_NAME or github.actor
    required: false
    default: ${{github.actor}}

  git_author_email:
    description: GIT_AUTHOR_EMAIL or github.event.pusher.email
    required: false
    default: ${{github.event.pusher.email}}

  git_committer_name:
    description: GIT_COMMITTER_NAME or inputs.git_author_name
    required: false

  git_committer_email:
    description: GIT_COMMITTER_EMAIL or inputs.git_author_email
    required: false

  github_token:
    description: Required unless env.GITHUB_TOKEN is set. Generate an access token, then add to your repository secrets.
    required: false

  source_files:
    description: Specify an [extended] glob pattern of matching files to copy.
    required: true

  source_repo:
    description: Optionally specify a different repository source to copy files from.
    required: false

  target_repo:
    description: Specify the target repository. The owner will match the source repo if only the name is given.
    required: true

  target_path:
    description: Optionally specify a different target file path other than the repository root.
    required: false

  source_branch:
    description: Optionally specify a source branch of your repository.
    required: false

  target_branch:
    description: Optionally specify a target branch of the target repo.
    required: false

  branch:
    description: Specify if both branches are the same, but differ from the default.
    required: false
    default: main

  commit_message:
    description: The git commit --message to appear on the target repository.
    required: false

runs:
  using: composite
  steps:
  - uses: actions/checkout@v3
    with:
      repository: ${{inputs.source_repo || github.repository}}
      ref: ${{inputs.source_branch || inputs.branch}}

  - id: mirror
    env:
      GIT_AUTHOR_NAME: ${{env.GIT_AUTHOR_NAME || inputs.git_author_name}}
      GIT_AUTHOR_EMAIL: ${{env.GIT_AUTHOR_EMAIL || inputs.git_author_email}}
      GIT_COMMITTER_NAME: ${{env.GIT_COMMITTER_NAME || inputs.git_author_name}}
      GIT_COMMITTER_EMAIL: ${{env.GIT_COMMITTER_EMAIL || inputs.git_author_email}}
      GITHUB_TOKEN: ${{env.GITHUB_TOKEN || inputs.github_token}}
      source_files: ${{inputs.source_files}}
      source_repo: ${{inputs.source_repo}}
      target_repo: ${{inputs.target_repo}}
      target_path: ${{inputs.target_path}}
      source_branch: ${{inputs.source_branch}}
      target_branch: ${{inputs.target_branch}}
      branch: ${{inputs.branch}}
      commit_message: ${{inputs.commit_message}}

    shell: /bin/zsh --no-rcs --err-exit --pipe-fail {0}
    run: source $GITHUB_ACTION_PATH/action.zsh