action.yml

name: Create and publish a crate tarball
author: Michał Górny
description: Create a Gentoo create tarball using pycargoebuild and attach it to a release
inputs:
  tag:
    description: Tag to create release on
    default: ${{ github.ref_name }}
  dist-filename:
    description: The name of distribution file (e.g. foo-1.2.3-crates.tar.xz)
    default: ${{ github.event.repository.name }}-${{ github.ref_name }}-crates.tar.xz
  directories:
    description: Directories with Cargo.toml files to process
    default: .
  run-cargo-update:
    description: Run "cargo update" in top-level directory
    default: false
runs:
  using: composite
  steps:
    - name: Checkout
      uses: actions/checkout@v7
    - name: Set up Python
      uses: actions/setup-python@v6
      with:
        python-version: '3.14'
    - name: Run cargo update
      if: ${{ inputs.run-cargo-update == 'true' }}
      shell: bash
      run: cargo update
    - name: Install pycargoebuild
      shell: bash
      run: pip install pycargoebuild
    - name: Grab the license mapping
      shell: bash
      run: |
        wget https://raw.githubusercontent.com/gentoo/gentoo/refs/heads/master/metadata/license-mapping.conf
    - name: Cache fetched crates
      uses: actions/cache@v6
      with:
        path: /tmp/dist
        key: dist
    - name: Create a dist tarball
      shell: bash
      run: |
        pycargoebuild \
          --crate-tarball \
          --crate-tarball-path "${{ inputs.dist-filename }}" \
          --distdir /tmp/dist \
          --license-mapping license-mapping.conf \
          ${{ inputs.directories }}
    - name: Create release
      uses: softprops/action-gh-release@v3
      with:
        body:
        files: ${{ inputs.dist-filename }}
        tag_name: ${{ inputs.tag }}
        fail_on_unmatched_files: true