name: Release alpha version

on:
  workflow_dispatch:
  schedule:
    # At 00:00 on Saturday
    # https://crontab.guru/#0_0_*_*_6
    - cron: "0 0 * * 6"

defaults:
  run:
    shell: bash

jobs:
  publish-alpha:
    name: Create an alpha release
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout the repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Calculate the next release
        run: .github/workflows/calculate-alpha-release.bash

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable

      - name: Publish
        run: cargo publish --allow-dirty --token ${{ secrets.CARGO_TOKEN }}

      - name: Generate a changelog
        uses: orhun/git-cliff-action@v4
        with:
          config: cliff.toml
          args: --unreleased --tag ${{ env.NEXT_TAG }} --strip header
        env:
          OUTPUT: BODY.md

      - name: Publish on GitHub
        uses: ncipollo/release-action@v1
        with:
          tag: ${{ env.NEXT_TAG }}
          prerelease: true
          bodyFile: BODY.md