name: Publish docs

on:
  push:
    branches:
      - master
      - main
      # for testing the GH Action without merging to main,
      # in some cases
      - test-publish-snapshots
      - docs/v*
    tags: ["*"]

jobs:
  documentation:
    name: Documentation
    runs-on: ubuntu-20.04
    if: github.repository == 'akka/akka'
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          # we don't know what commit the last tag was it's safer to get entire repo so previousStableVersion resolves
          fetch-depth: 0
      - name: Set up JDK 11
        uses: olafurpg/setup-scala@v10
        with:
          java-version: adopt@1.11
      - name: Publish
        run: |-
          eval "$(ssh-agent -s)"
          echo $SCP_SECRET | base64 -d > /tmp/id_rsa
          chmod 600 /tmp/id_rsa
          ssh-add /tmp/id_rsa
          # using Scala 2.13 here to avoid the infamous problem with missing AskSupport in classpath
          sbt -Dakka.build.scalaVersion=2.13.0 -Dakka.genjavadoc.enabled=true publishRsync
        env:
          SCP_SECRET: ${{ secrets.SCP_SECRET }}