example-report.yml

name: Example report - Status and Screenshots

on:
  workflow_dispatch:
  schedule:
    - cron:  '0 6,18 * * *'

concurrency:
  group: ${{ github.repository }}-example-report

env:
  PER_PAGE: 20

jobs:
  get-environment:
    name: Get Environment
    runs-on: ubuntu-latest
    outputs:
      pages: ${{ steps.env.outputs.pages }}
      gitref: ${{ steps.env.outputs.gitref }}
      date: ${{ steps.env.outputs.date }}
      linux_percy_project: ${{ steps.env.outputs.linux_percy_project }}
      windows_percy_project: ${{ steps.env.outputs.windows_percy_project }}
      macos_percy_project: ${{ steps.env.outputs.macos_percy_project }}
      mobile_percy_project: ${{ steps.env.outputs.mobile_percy_project }}
      mobile_nonce: ${{ steps.env.outputs.mobile_nonce }}
      updated: ${{ steps.version-check.outputs.updated }}
    steps:
      - name: Checkout Bevy main branch
        uses: actions/checkout@v4
        with:
          repository: 'bevyengine/bevy'
          ref: 'main'
      - name: Get Environment
        id: env
        run: |
          example_count=`cat Cargo.toml | grep '\[\[example\]\]' | wc -l`
          page_count=$((example_count / ${{ env.PER_PAGE }} + 1))

          echo "gitref=`git rev-parse HEAD`" >> $GITHUB_OUTPUT
          echo "date=`date +%Y%m%d%H%M`" >> $GITHUB_OUTPUT
          echo "linux_percy_project=dede4209/Screenshots-Linux-Vulkan" >> $GITHUB_OUTPUT
          echo "windows_percy_project=dede4209/Screenshots-Windows-DX12" >> $GITHUB_OUTPUT
          echo "macos_percy_project=dede4209/Screenshots-macOS-Metal" >> $GITHUB_OUTPUT
          echo "mobile_percy_project=dede4209/Bevy-Mobile-Example" >> $GITHUB_OUTPUT
          echo "pages=`python -c \"import json; print(json.dumps([i for i in range($page_count)]))\"`" >> $GITHUB_OUTPUT
          echo "mobile_nonce=${{ github.run_id }}-$(date +%s)" >> $GITHUB_OUTPUT
      - uses: actions/checkout@v4
        with:
          ref: 'results'
          path: 'results'
      - name: Check if current Bevy version already ran
        id: version-check
        run: |
          gitref=`git rev-parse HEAD`
          updated=`if ls results/*-$gitref 1> /dev/null 2>&1; then echo "false"; else echo "true"; fi`
          echo "updated=$updated" >> $GITHUB_OUTPUT

  take-screenshots:
    name: Take Screenshots
    needs: get-environment
    if: needs.get-environment.outputs.updated == 'true' || github.event_name == 'workflow_dispatch'
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-14]
        page: ${{ fromJSON(needs.get-environment.outputs.pages) }}

    steps:

      - name: Checkout Bevy main branch
        uses: actions/checkout@v4
        with:
          repository: 'bevyengine/bevy'
          ref: ${{ needs.get-environment.outputs.gitref }}

      - name: Checkout patches
        uses: actions/checkout@v4
        with:
          path: 'runner-patches'  
  
      - name: Apply patches
        shell: pwsh
        run: |
          Get-ChildItem "runner-patches/patches" -Filter *.patch | 
          Foreach-Object {
              Write-Output "Processing $($_.FullName)"
              git apply --ignore-whitespace $($_.FullName)
          }

      - name: Setup Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Install Bevy dependencies
        if: runner.os == 'linux'
        run: |
          sudo apt-get update;
          DEBIAN_FRONTEND=noninteractive sudo apt-get install --no-install-recommends -yq \
            libasound2-dev libudev-dev libxkbcommon-x11-0;

      - name: install xvfb, llvmpipe and lavapipe
        if: runner.os == 'linux'
        run: |
          sudo apt-get update -y -qq
          sudo add-apt-repository ppa:kisak/turtle -y
          sudo apt-get update
          sudo apt install -y xvfb libegl1-mesa libgl1-mesa-dri libxcb-xfixes0-dev mesa-vulkan-drivers

      - uses: actions/cache/restore@v4
        id: restore-cache
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}
          restore-keys: ${{ runner.os }}-cargo-

      - name: Take Screenshots (Linux)
        id: screenshots-linux
        if: runner.os == 'linux'
        continue-on-error: true
        run: xvfb-run -s "-screen 0 1280x1024x24" cargo run -p example-showcase -- --page ${{ matrix.page }} --per-page ${{ env.PER_PAGE }} run --screenshot-at 250 --frame-duration 0.02 --stop-at 350 --in-ci --ignore-stress-tests --report-details

      - name: Take Screenshots (Windows)
        id: screenshots-windows
        if: runner.os == 'windows'
        continue-on-error: true
        shell: pwsh
        run: |
          Add-Type -AssemblyName System.Windows.Forms
          $screen = [System.Windows.Forms.SystemInformation]::VirtualScreen
          [Windows.Forms.Cursor]::Position = "$($screen.Width / 2),$($screen.Height / 2)"

          cargo run -p example-showcase -- --page ${{ matrix.page }} --per-page ${{ env.PER_PAGE }} run --screenshot-at 250 --frame-duration 0.02 --stop-at 350 --in-ci --ignore-stress-tests --report-details

      - name: Take Screenshots (macOS)
        id: screenshots-macos
        if: runner.os == 'macos'
        continue-on-error: true
        run: cargo run -p example-showcase -- --page ${{ matrix.page }} --per-page ${{ env.PER_PAGE }} run --screenshot-at 250 --frame-duration 0.02 --stop-at 350 --in-ci --ignore-stress-tests --report-details
  
      - name: Log errors
        shell: pwsh
        run: |
          if (Get-Content no_screenshots) {
            perl -p -e 's/(.*) - [.0-9]*\n/\1, /g' no_screenshots > cleaned
            $no_screenshots = Get-Content .\cleaned -Raw
            echo "::warning title=No Screenshots ${{ runner.os }}/${{ matrix.page }}::$no_screenshots"
          }
          if (Get-Content failures) {
            perl -p -e 's/(.*) - [.0-9]*\n/\1, /g' failures > cleaned
            $failures = Get-Content .\cleaned -Raw
            echo "::error title=Failed To Run ${{ runner.os }}/${{ matrix.page }}::$failures"
          }

      - name: Outputs run results
        id: run-results
        shell: pwsh
        run: |
          echo "has_success=$(![String]::IsNullOrWhiteSpace((Get-content successes)))" | Out-File -FilePath $env:GITHUB_OUTPUT -Append

      - name: Upload Screenshots
        uses: actions/upload-artifact@v4
        with:
          name: screenshots-${{ runner.os }}-${{ matrix.page }}
          path: screenshots

      - name: Upload Status
        uses: actions/upload-artifact@v4
        with:
          name: status-${{ runner.os }}-${{ matrix.page }}
          path: |
            successes
            failures
            no_screenshots

  send-to-percy:
    name: Send screenshots to Percy
    runs-on: ubuntu-latest
    needs: [take-screenshots, get-environment]
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: Linux
            percy_key: PERCY_TOKEN_LINUX_VULKAN
            percy_project: ${{ needs.get-environment.outputs.linux_percy_project }}
          - os: Windows
            percy_key: PERCY_TOKEN_WINDOWS_DX12
            percy_project: ${{ needs.get-environment.outputs.windows_percy_project }}
          - os: macOS
            percy_key: PERCY_TOKEN_MACOS_METAL
            percy_project: ${{ needs.get-environment.outputs.macos_percy_project }}
    steps:
      
      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          pattern: screenshots-${{ matrix.os }}-*

      - name: Move examples to the correct folder
        id: gather-examples
        continue-on-error: true
        run: |
          mkdir screenshots-${{ matrix.os }}
          for screenshotfolder in screenshots-${{ matrix.os }}-*
          do
            echo $screenshotfolder
            rsync --verbose --archive $screenshotfolder/* screenshots-${{ matrix.os }}/
            rm -rf $screenshotfolder
          done
      
      - name: Remove images that are all black
        if: steps.gather-examples.outcome == 'success'
        run: |
          set +e
          sudo apt install -y imagemagick
          for image in screenshots-${{ matrix.os }}/*/*.png
          do
            mean=`convert "$image" -format "%[mean]" info:`
            if [[ "$?" = "1" ]]; then
              echo "Error reading $image"
              rm "$image"
            fi
            if [ "$mean" = 0 ]; then
              echo "$image is all black"
              rm "$image"
            fi
          done

      - name: Remove example known to be random
        if: steps.gather-examples.outcome == 'success'
        run: |
          rm "screenshots-${{ matrix.os }}/Animation/animated_fox.png" || true
          rm "screenshots-${{ matrix.os }}/Animation/morph_targets.png" || true
          rm "screenshots-${{ matrix.os }}/Async Tasks/async_compute.png" || true
          rm "screenshots-${{ matrix.os }}/Async Tasks/external_source_external_thread.png" || true
          rm "screenshots-${{ matrix.os }}/Games/alien_cake_addict.png" || true
          rm "screenshots-${{ matrix.os }}/Games/contributors.png" || true
          rm "screenshots-${{ matrix.os }}/UI (User Interface)/font_atlas_debug.png" || true
          rm "screenshots-${{ matrix.os }}/Shaders/compute_shader_game_of_life.png" || true

      - name: Send to Percy
        if: steps.gather-examples.outcome == 'success'        
        run: |
          npm install -g @percy/cli@latest
          npx percy upload screenshots-${{ matrix.os }}
        env:
          PERCY_TOKEN: ${{ secrets[matrix.percy_key] }}
          PERCY_COMMIT: ${{ needs.get-environment.outputs.gitref }}

      - name: Wait for result
        if: steps.gather-examples.outcome == 'success'
        run: |
          npx percy build:wait --project ${{ matrix.percy_project }} --commit ${{ needs.get-environment.outputs.gitref }}
        env:
          PERCY_TOKEN: ${{ secrets[matrix.percy_key] }}

  update-results:
    name: Update Results
    runs-on: ubuntu-latest
    needs: [send-to-percy, get-environment, mobile-run]
    if: always() && (needs.get-environment.outputs.updated == 'true' || github.event_name == 'workflow_dispatch')
    permissions:
      contents: write
    steps:
      
      - uses: actions/checkout@v4
        with:
          ref: 'results'
          path: 'results'

      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          pattern: status-*

      - name: Concatenate status
        run: |
          set -x

          mkdir results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}

          for report in status-Linux-*
          do
            (cat $report/successes; echo) >> Linux-successes-concat
            (cat $report/failures; echo) >> Linux-failures-concat
            (cat $report/no_screenshots; echo) >> Linux-no_screenshots-concat
          done
          # remove empty lines
          grep . Linux-successes-concat > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/Linux-successes || true
          grep . Linux-failures-concat > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/Linux-failures || true
          grep . Linux-no_screenshots-concat > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/Linux-no_screenshots || true

          for report in status-Windows-*
          do
            (cat $report/successes; echo) >> Windows-successes-concat
            (cat $report/failures; echo) >> Windows-failures-concat
            (cat $report/no_screenshots; echo) >> Windows-no_screenshots-concat
          done
          # remove empty lines
          grep . Windows-successes-concat > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/Windows-successes || true
          grep . Windows-failures-concat > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/Windows-failures || true
          grep . Windows-no_screenshots-concat > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/Windows-no_screenshots || true

          for report in status-macOS-*
          do
            (cat $report/successes; echo) >> macOS-successes-concat
            (cat $report/failures; echo) >> macOS-failures-concat
            (cat $report/no_screenshots; echo) >> macOS-no_screenshots-concat
          done
          # remove empty lines
          grep . macOS-successes-concat > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/macOS-successes || true
          grep . macOS-failures-concat > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/macOS-failures || true
          grep . macOS-no_screenshots-concat > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/macOS-no_screenshots || true

      - name: Save Percy results
        run: |
          curl 'https://percy.io/api/v1/projects/${{ needs.get-environment.outputs.windows_percy_project }}/builds?filter\[sha\]=${{ needs.get-environment.outputs.gitref }}' | jq '.data[0].attributes' > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/Windows-percy
          curl 'https://percy.io/api/v1/projects/${{ needs.get-environment.outputs.linux_percy_project }}/builds?filter\[sha\]=${{ needs.get-environment.outputs.gitref }}' | jq '.data[0].attributes' > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/Linux-percy
          curl 'https://percy.io/api/v1/projects/${{ needs.get-environment.outputs.macos_percy_project }}/builds?filter\[sha\]=${{ needs.get-environment.outputs.gitref }}' | jq '.data[0].attributes' > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/macOS-percy
          curl 'https://percy.io/api/v1/projects/${{ needs.get-environment.outputs.mobile_percy_project }}/builds?filter\[sha\]=${{ needs.get-environment.outputs.gitref }}' | jq '.data[0].attributes' > results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/mobile-percy

      - name: Store results in git
        run: |
          cd results

          git config user.name 'Workflow'
          git config user.email '<>'

          git add .
          git commit -m "Update Results"
          git push

      - name: Upload Aggregated Status
        uses: actions/upload-artifact@v4
        with:
          name: aggregated-status
          path: |
            results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}

  rerun-failed-examples:
    name: Rerun Failed Examples (without screenshot)
    needs: [get-environment, update-results]
    if: always() && (needs.get-environment.outputs.updated == 'true' || github.event_name == 'workflow_dispatch')
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-14]
    steps:

      - name: Checkout Bevy main branch
        uses: actions/checkout@v4
        with:
          repository: 'bevyengine/bevy'
          ref: ${{ needs.get-environment.outputs.gitref }}

      - name: Checkout patches
        uses: actions/checkout@v4
        with:
          path: 'runner-patches'  
  
      - name: Apply patches
        shell: pwsh
        run: |
          Get-ChildItem "runner-patches/patches" -Filter *.patch | 
          Foreach-Object {
              Write-Output "Processing $($_.FullName)"
              git apply --ignore-whitespace $($_.FullName)
          }
  
      - name: Setup Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Download Aggregated Status
        uses: actions/download-artifact@v4
        with:
          name: aggregated-status
          path: aggregated-status

      - name: Clean Up failures list
        run: |
          sed 's/.*\/\(.*\) - [.0-9]*/\1/g' aggregated-status/${{ runner.os }}-failures > failure-list
  
      - name: Install Bevy dependencies
        if: runner.os == 'linux'
        run: |
          sudo apt-get update;
          DEBIAN_FRONTEND=noninteractive sudo apt-get install --no-install-recommends -yq \
            libasound2-dev libudev-dev;

      - name: install xvfb, llvmpipe and lavapipe
        if: runner.os == 'linux'
        run: |
          sudo apt-get update -y -qq
          sudo add-apt-repository ppa:kisak/turtle -y
          sudo apt-get update
          sudo apt install -y xvfb libegl1-mesa libgl1-mesa-dri libxcb-xfixes0-dev mesa-vulkan-drivers

      - uses: actions/cache/restore@v4
        id: restore-cache
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}
          restore-keys: ${{ runner.os }}-cargo-

      - name: Take Screenshots (Linux)
        if: runner.os == 'linux'
        continue-on-error: true
        run: xvfb-run -s "-screen 0 1280x1024x24" cargo run -p example-showcase -- run --screenshot-at 0 --frame-duration 0.02 --stop-at 200 --in-ci --ignore-stress-tests --report-details --example-list failure-list

      - name: Take Screenshots (Windows)
        if: runner.os == 'windows'
        continue-on-error: true
        run: cargo run -p example-showcase -- run --screenshot-at 0 --frame-duration 0.02 --stop-at 200 --in-ci --ignore-stress-tests --report-details --example-list failure-list
  
      - name: Take Screenshots (macOS)
        if: runner.os == 'macos'
        continue-on-error: true
        run: cargo run -p example-showcase -- run --screenshot-at 0 --frame-duration 0.02 --stop-at 200 --in-ci --ignore-stress-tests --report-details --example-list failure-list
  
      - name: Upload Rerun Status
        uses: actions/upload-artifact@v4
        with:
          name: status-rerun-${{ runner.os }}
          path: |
            successes
            failures
            no_screenshots
            *.log

  update-results-with-rerun:
    name: Update Results with Rerun
    needs: [rerun-failed-examples, get-environment]
    if: always() && (needs.get-environment.outputs.updated == 'true' || github.event_name == 'workflow_dispatch')
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4
        with:
          ref: 'results'
          path: 'results'

      - name: Download Rerun Status on Linux
        uses: actions/download-artifact@v4
        with:
          name: status-rerun-Linux
          path: status-rerun-Linux

      - name: Download Rerun Status on Windows
        uses: actions/download-artifact@v4
        with:
          name: status-rerun-Windows
          path: status-rerun-Windows

      - name: Download Rerun Status on macOS
        uses: actions/download-artifact@v4
        with:
          name: status-rerun-macOS
          path: status-rerun-macOS

      - name: Store results in git
        run: |
          mv status-rerun-Windows results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/
          mv status-rerun-Linux results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/
          mv status-rerun-macOS results/${{ needs.get-environment.outputs.date }}-${{ needs.get-environment.outputs.gitref }}/

          cd results

          git config user.name 'Workflow'
          git config user.email '<>'

          git add .
          git commit -m "Update Results"
          git push

  update-website:
    name: Update Website
    needs: [update-results-with-rerun, get-environment]
    if: always() && (needs.get-environment.outputs.updated == 'true' || github.event_name == 'workflow_dispatch')
    uses: ./.github/workflows/rebuild-website.yml
    permissions:
      contents: read
      pages: write
      id-token: write

  mobile-run:
    needs: [get-environment]
    if: needs.get-environment.outputs.updated == 'true' || github.event_name == 'workflow_dispatch'
    uses: ./.github/workflows/workflow-mobile.yml
    with:
      gitref: ${{ needs.get-environment.outputs.gitref }}
      nonce: ${{ needs.get-environment.outputs.mobile_nonce }}
      mobile_percy_project: ${{ needs.get-environment.outputs.mobile_percy_project }}
    secrets: inherit