name: Preview build

on:

  repository_dispatch:

    types:

    - Preview*

jobs:

  preview:

    name: Build preview

    runs-on: ubuntu-20.04

    container:

      # If you change this version, change the number in the cache step too.

      image: emscripten/emsdk:2.0.10

      # uid=1001(runner) gid=121(docker)

      options: -u 1001:121

    steps:

    - name: Update deployment status to in progress

      uses: octokit/request-action@v2.x

      with:

        route: POST /repos/{owner}/{repo}/deployments/{deployment_id}/statuses

        mediaType: |

          previews:

          - ant-man

          - flash

        owner: ${{ github.event.repository.owner.login }}

        repo: ${{ github.event.repository.name }}

        deployment_id: ${{ github.event.client_payload.deployment_id }}

        state: in_progress

      env:

        GITHUB_TOKEN: ${{ secrets.PREVIEW_GITHUB_TOKEN }}

    - name: Checkout

      uses: actions/checkout@v2

      with:

        ref: ${{ github.event.client_payload.sha }}

    - name: Name branch

      run: |

        name=$(echo "${{ github.event.client_payload.folder }}")

        git checkout -b ${name}

    - name: Setup cache

      uses: actions/cache@v2

      with:

        path: /emsdk/upstream/emscripten/cache

        key: 2.0.10-${{ runner.os }}

    - name: Build (host tools)

      run: |

        mkdir build-host

        cd build-host

        echo "::group::CMake"

        cmake .. -DOPTION_TOOLS_ONLY=ON

        echo "::endgroup::"

        echo "::group::Build"

        echo "Running on $(nproc) cores"

        make -j$(nproc) tools

        echo "::endgroup::"

    - name: Install GCC problem matcher

      uses: ammaraskar/gcc-problem-matcher@master

    - name: Build

      run: |

        mkdir build

        cd build

        echo "::group::CMake"

        emcmake cmake .. \

          -DHOST_BINARY_DIR=../build-host \

          -DCMAKE_BUILD_TYPE=RelWithDebInfo \

          # EOF

        echo "::endgroup::"

        echo "::group::Build"

        echo "Running on $(nproc) cores"

        emmake make -j$(nproc)

        echo "::endgroup::"

    - name: Publish preview

      run: |

        # setuptools is missing in this Docker image, which breaks installing

        # awscli. So we need to do this in two steps to recover sanity.

        pip3 install setuptools

        pip3 install awscli

        ~/.local/bin/aws s3 cp --only-show-errors build/openttd.data s3://${{ secrets.PREVIEW_S3_BUCKET }}/${{ github.event.client_payload.folder }}/

        ~/.local/bin/aws s3 cp --only-show-errors build/openttd.html s3://${{ secrets.PREVIEW_S3_BUCKET }}/${{ github.event.client_payload.folder }}/

        ~/.local/bin/aws s3 cp --only-show-errors build/openttd.js s3://${{ secrets.PREVIEW_S3_BUCKET }}/${{ github.event.client_payload.folder }}/

        ~/.local/bin/aws s3 cp --only-show-errors build/openttd.wasm s3://${{ secrets.PREVIEW_S3_BUCKET }}/${{ github.event.client_payload.folder }}/

        # Invalidate the cache of the CloudFront distribution

        ~/.local/bin/aws cloudfront create-invalidation --distribution-id ${{ secrets.PREVIEW_CF_DISTRIBUTION_ID }} --paths "/${{ github.event.client_payload.folder }}/*"

      env:

        AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}

        AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}

    - name: Update deployment status to success

      uses: octokit/request-action@v2.x

      with:

        route: POST /repos/{owner}/{repo}/deployments/{deployment_id}/statuses

        mediaType: |

          previews:

          - ant-man

          - flash

        owner: ${{ github.event.repository.owner.login }}

        repo: ${{ github.event.repository.name }}

        deployment_id: ${{ github.event.client_payload.deployment_id }}

        state: success

        environment_url: https://preview.openttd.org/${{ github.event.client_payload.folder }}/

      env:

        GITHUB_TOKEN: ${{ secrets.PREVIEW_GITHUB_TOKEN }}

    - if: failure()

      name: Update deployment status to failure

      uses: octokit/request-action@v2.x

      with:

        route: POST /repos/{owner}/{repo}/deployments/{deployment_id}/statuses

        mediaType: |

          previews:

          - ant-man

          - flash

        owner: ${{ github.event.repository.owner.login }}

        repo: ${{ github.event.repository.name }}

        deployment_id: ${{ github.event.client_payload.deployment_id }}

        state: failure

      env:

        GITHUB_TOKEN: ${{ secrets.PREVIEW_GITHUB_TOKEN }}

name: Preview label

on:

  pull_request_target:

    types:

    - labeled

env:

  TEAM_CORE_DEVELOPER: core-developers

jobs:

  check_preview_label:

    name: Check for preview label

    if: github.event.action == 'labeled' && github.event.label.name == 'preview'

    runs-on: ubuntu-20.04

    steps:

    - name: Check if label was added by core developer

      id: core_developer

      continue-on-error: true

      uses: octokit/request-action@v2.x

      with:

        route: GET /orgs/OpenTTD/teams/${{ env.TEAM_CORE_DEVELOPER }}/memberships/${{ github.event.sender.login }}

      env:

        GITHUB_TOKEN: ${{ secrets.PREVIEW_GITHUB_TOKEN }}

    - if: steps.core_developer.outcome == 'failure'

      name: Remove preview label if not core developer

      uses: octokit/request-action@v2.x

      with:

        route: DELETE /repos/{owner}/{repo}/issues/{issue_number}/labels/preview

        owner: ${{ github.event.repository.owner.login }}

        repo: ${{ github.event.repository.name }}

        issue_number: ${{ github.event.number }}

      env:

        GITHUB_TOKEN: ${{ secrets.PREVIEW_GITHUB_TOKEN }}

    - if: steps.core_developer.outcome == 'success'

      name: Create deployment

      id: deployment

      uses: octokit/request-action@v2.x

      with:

        route: POST /repos/{owner}/{repo}/deployments

        mediaType: |

          previews:

          - ant-man

          - flash

        owner: ${{ github.event.repository.owner.login }}

        repo: ${{ github.event.repository.name }}

        ref: ${{ github.event.pull_request.head.sha }}

        task: deploy:preview

        auto_merge: false

        required_contexts: "[]"

        environment: preview-pr-${{ github.event.number }}

        description: "Preview for Pull Request #${{ github.event.number }}"

      env:

        GITHUB_TOKEN: ${{ secrets.PREVIEW_GITHUB_TOKEN }}

    - if: steps.core_developer.outcome == 'success'

      name: Trigger 'preview build'

      uses: peter-evans/repository-dispatch@v1

      with:

        token: ${{ secrets.PREVIEW_GITHUB_TOKEN }}

        event-type: "Preview build #${{ github.event.number }}"

        client-payload: '{"folder": "pr${{ github.event.number }}", "sha": "${{ github.event.pull_request.head.sha }}", "deployment_id": "${{ fromJson(steps.deployment.outputs.data).id }}"}'

name: Preview push

on:

  pull_request_target:

    types:

    - synchronize

jobs:

  check_new_preview:

    name: Check preview needs update

    runs-on: ubuntu-20.04

    steps:

    - name: Check if earlier preview exists

      id: earlier_preview

      uses: octokit/request-action@v2.x

      with:

        route: GET /repos/{owner}/{repo}/deployments

        owner: ${{ github.event.repository.owner.login }}

        repo: ${{ github.event.repository.name }}

        environment: preview-pr-${{ github.event.number }}

        per_page: 1

      env:

        GITHUB_TOKEN: ${{ secrets.PREVIEW_GITHUB_TOKEN }}

    - if: toJson(fromJson(steps.earlier_preview.outputs.data)) != '[]'

      name: Check for preview label

      id: preview_label

      uses: octokit/request-action@v2.x

      with:

        route: GET /repos/{owner}/{repo}/issues/{issue_number}/labels

        owner: ${{ github.event.repository.owner.login }}

        repo: ${{ github.event.repository.name }}

        issue_number: ${{ github.event.number }}

      env:

        GITHUB_TOKEN: ${{ secrets.PREVIEW_GITHUB_TOKEN }}

    - if: toJson(fromJson(steps.earlier_preview.outputs.data)) != '[]' && contains(fromJson(steps.preview_label.outputs.data).*.name, 'preview')

      name: Create deployment

      id: deployment

      uses: octokit/request-action@v2.x

      with:

        route: POST /repos/{owner}/{repo}/deployments

        mediaType: |

          previews:

          - ant-man

          - flash

        owner: ${{ github.event.repository.owner.login }}

        repo: ${{ github.event.repository.name }}

        ref: ${{ github.event.pull_request.head.sha }}

        task: deploy:preview

        auto_merge: false

        required_contexts: "[]"

        environment: preview-pr-${{ github.event.number }}

        description: "Preview for Pull Request #${{ github.event.number }}"

      env:

        GITHUB_TOKEN: ${{ secrets.PREVIEW_GITHUB_TOKEN }}

    - if: toJson(fromJson(steps.earlier_preview.outputs.data)) != '[]' && contains(fromJson(steps.preview_label.outputs.data).*.name, 'preview')

      name: Trigger 'preview build'

      uses: peter-evans/repository-dispatch@v1

      with:

        token: ${{ secrets.PREVIEW_GITHUB_TOKEN }}

        event-type: "Preview build #${{ github.event.number }}"

        client-payload: '{"folder": "pr${{ github.event.number }}", "sha": "${{ github.event.pull_request.head.sha }}", "deployment_id": "${{ fromJson(steps.deployment.outputs.data).id }}"}'