.github/workflows/merge.yml

name: Merge actions

env:
  CI_IMAGE: registry.gitlab.com/buildstream/buildstream-docker-images/testsuite-debian:10-master-132813612
  BST_FORCE_SESSION_REBUILD: 1

on:
  push:
    branches-ignore:
    - gh-pages
    - master

jobs:
  build:
    name: Build documentation
    runs-on: ubuntu-20.04
    steps:
    - name: Checkout code
      uses: actions/checkout@v2
      # BuildStream requires tags to be able to find its version.
      with:
        fetch-depth: 0

    - name: Build documentation
      run: |
        docker run \
            --privileged \
            --device /dev/fuse \
            --env BST_FORCE_SESSION_REBUILD \
            --volume /home/runner/work:/__w \
            --workdir /__w/buildstream/buildstream \
            $CI_IMAGE \
            tox -e docs
        tar -C doc/build/html -zcf docs.tgz .

    - name: Upload artifacts
      uses: actions/upload-artifact@v2
      with:
        name: docs
        path: doc/build/html

  publish:
    needs: build
    runs-on: ubuntu-20.04
    steps:

    - name: Download artifact
      uses: actions/download-artifact@v2
      with:
        name: docs
        path: docs

    - name: Checkout code
      uses: actions/checkout@v2
      with:
        ref: gh-pages
        path: pages

    - name: Update repo
      run: |

        # Copy the docs asset over and overwrite the orphan gh-pages branch, ensure
        # that we disable GitHub's jekyll by creating the .nojekyll file, otherwise
        # it will interfere with the rendering of the site.
        #
        mkdir -p pages/docs
        cp -a docs/* pages/docs/
        touch pages/docs/.nojekyll

        cd pages/
        git add .
        git config --local user.email "merge-ci@ponyland"
        git config --local user.name  "Github Actions Nightly Job"
        git commit -m "Update repo for docs build $GITHUB_RUN_NUMBER"
        git push "https://$GITHUB_ACTOR:$GITHUB_TOKEN@github.com/$GITHUB_REPOSITORY.git" gh-pages