publish.yml

name: Publish

on:
  workflow_run:
    workflows: ["Precomp NIFs"]
    types: [completed]

jobs:
  publish:
    runs-on: ubuntu-latest
    # Only publish when:
    # 1. The precompiled NIFs workflow completed successfully
    # 2. The trigger was a push event (not PR, etc.)
    # 3. The push was for a valid version tag (v1.0.0, v2.1.3-beta, etc.)
    if: >
      github.event.workflow_run.conclusion == 'success' && 
      github.event.workflow_run.event == 'push' &&
      startsWith(github.event.workflow_run.head_branch, 'v') &&
      contains(github.event.workflow_run.head_branch, '.')

    steps:
      - name: Checkout code
        uses: actions/checkout@v5

      - name: Setup Elixir and Rust
        uses: ./.github/actions/setup-elixir-rust

      - name: Download precompiled NIFs
        run: mix rustler_precompiled.download DprintMarkdownFormatter.Native --all --ignore-unavailable

      - name: Build hex package
        run: mix hex.build

      - name: Publish to Hex.pm
        run: mix hex.publish --yes --replace
        env:
          HEX_API_KEY: ${{ secrets.HEX_API_KEY }}