release.yml

name: Release

on:
  push:
    branches: [main]
    tags: ["v*"]

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0 # fetch all tags to make sbt-dynver work properly

      - name: Setup Java and Scala
        uses: olafurpg/setup-scala@v13

      - name: Cache sbt
        uses: coursier/cache-action@v6

      - name: Publish
        run: sbt ci-release
        env:
          PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
          PGP_SECRET: ${{ secrets.PGP_SECRET }}
          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}

  update-readme:
    if: github.ref_type == 'tag'
    needs: publish
    runs-on: ubuntu-latest
    steps:
      - name: Checkout the tag
        uses: actions/checkout@v2
        with:
          fetch-depth: 0 # fetch all tags to make sbt-dynver work properly

      - name: Setup Java and Scala
        uses: olafurpg/setup-scala@v13

      - name: Cache sbt
        uses: coursier/cache-action@v6

      - name: Generate readme
        run: sbt docs/mdoc

      - name: Checkout the main branch into a subdirectory
        uses: actions/checkout@v2
        with:
          ref: master
          path: './main'

      - name: Copy generated readme to main branch
        run: cp README.md main

      - name: Commit and push readme
        uses: EndBug/add-and-commit@v8
        with:
          cwd: './main'
          add: 'README.md'
          default_author: github_actions
          message: 'Regenerate readme'