action.yml

name: checkout-action
description: GitHub Action for checking out a repository. (Simplified actions/checkout alternative that does not depend on Node.js.)

# Note:
# - inputs.* should be manually mapped to INPUT_* due to https://github.com/actions/runner/issues/665
# - Use GITHUB_*/RUNNER_* instead of github.*/runner.* due to https://github.com/actions/runner/issues/2185
runs:
  using: composite
  steps:
    - run: |
        set -eu
        if ! command -v bash >/dev/null; then
          if grep -Eq '^ID=alpine' /etc/os-release; then
            printf '::group::Install packages required for checkout-action (bash)\n'
            # NB: sync with apk_install in main.sh
            if command -v sudo >/dev/null; then
              sudo apk --no-cache add bash
            elif command -v doas >/dev/null; then
              doas apk --no-cache add bash
            else
              apk --no-cache add bash
            fi
            printf '::endgroup::\n'
          elif grep -Eq '^ID_LIKE=.*openwrt' /etc/os-release; then
            printf '::group::Install packages required for checkout-action (bash)\n'
            # NB: sync with opkg_install in main.sh
            if command -v sudo >/dev/null; then
              sudo mkdir -p /var/lock
              sudo opkg update
              sudo opkg install bash
            else
              mkdir -p /var/lock
              opkg update
              opkg install bash
            fi
            printf '::endgroup::\n'
          else
            printf '::error::checkout-action requires bash\n'
            exit 1
          fi
        fi
        bash --noprofile --norc "${GITHUB_ACTION_PATH:?}/main.sh"
      shell: sh
      if: runner.os	!= 'Windows'
    - run: bash --noprofile --norc "${GITHUB_ACTION_PATH:?}/main.sh"
      shell: bash
      if: runner.os	== 'Windows'