install-action/action.yml

name: Install development tools
description: GitHub Action for installing development tools

inputs:
  tool:
    description: Tools to install (whitespace or comma separated list)
    required: true
    # default: #publish:tool
  checksum:
    description: Whether to enable checksums
    required: false
    default: 'true'
  fallback:
    description: Whether to use fallback (none, cargo-binstall, cargo-install)
    required: false
    default: 'cargo-binstall'

# 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:
    - name: Prepare
      id: prepare
      run: |
        set -eu
        if ! command -v bash >/dev/null; then
          if command -v busybox >/dev/null; then
            if test -n "${GITHUB_OUTPUT:-}"; then
              printf 'shell=busybox sh -e {0}\n' >>"${GITHUB_OUTPUT}"
              exit
            fi
          fi
          printf '::error::install-action requires bash or busybox\n'
          exit 1
        fi
      shell: sh
      if: runner.os == 'Linux'
    - run: |
        case "${CURRENT_SHELL}" in
          busybox*) busybox sh "${GITHUB_ACTION_PATH:?}/main.sh" ;;
          *) bash --noprofile --norc "${GITHUB_ACTION_PATH:?}/main.sh" ;;
        esac
      shell: ${{ steps.prepare.outputs.shell || 'bash' }}
      env:
        INPUT_TOOL: ${{ inputs.tool }}
        INPUT_CHECKSUM: ${{ inputs.checksum }}
        INPUT_FALLBACK: ${{ inputs.fallback }}
        DEFAULT_GITHUB_TOKEN: ${{ github.token }}
        ACTION_USER_AGENT: ${{ github.action_repository }} (${{ github.action_ref }})
        CURRENT_SHELL: ${{ steps.prepare.outputs.shell }}