firefox.yml

name: Firefox
on:
  push:
    branches: ["main"]
    paths-ignore: ["*.md", "*.png", "*.svg", "LICENSE-*"]
  pull_request:
    branches: ["main"]
    paths-ignore: ["*.md", "*.png", "*.svg", "LICENSE-*"]
  merge_group:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref_name }}
  cancel-in-progress: true

env:
    FIREFOX: Firefox

jobs:
  firefox:
    name: Build Firefox
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-14, windows-latest]
        type: [debug, release]
    runs-on: ${{ matrix.os }}
    defaults:
      run:
        shell: bash
    env:
      MOZBUILD_STATE_PATH: ${{ github.workspace }}/mozbuild
      CARGO_HOME: ${{ github.workspace }}/cargo

    steps:
      # We need to check out Neqo first, because the maximize-build-space action
      # is vendored in.
      - name: Check out Neqo
        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f # v4.1.3

      - name: Maximize build space
        if: runner.os == 'Linux'
        uses: ./.github/actions/maximize-build-space
        with:
          root-reserve-mb: 2048
          temp-reserve-mb: 2048
          swap-size-mb: 4096
          remove-dotnet: true
          remove-android: true
          remove-haskell: true
          remove-docker-images: true

      # The previous step blew it away, so we need to check it out again.
      - name: Check out Neqo again
        if: runner.os == 'Linux'
        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f # v4.1.3

      - name: Check out Firefox
        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f # v4.1.3
        with:
          repository: mozilla/gecko-dev
          path: mozilla-unified

      - name: Install deps (Windows)
        if: runner.os == 'Windows'
        run: choco install -y mozillabuild

      - name: Bootstrap Firefox
        run: |
          cd mozilla-unified
          {
            echo "mk_add_options MOZ_OBJDIR=../$FIREFOX"
            echo "ac_add_options --with-ccache=sccache"
            echo "ac_add_options --enable-application=browser"
            # Work around https://bugzilla.mozilla.org/show_bug.cgi?id=1894031
            if [ "${{ runner.os }}" != "Windows" ] || [ "${{ matrix.type}}" != "debug" ]; then
              echo "ac_add_options --disable-tests"
            fi
            echo "ac_add_options --enable-${{ matrix.type }}"
          } >> mozconfig
          ./mach bootstrap --application-choice browser

      - name: Plumb in Neqo
        run: |
          # Get qlog version used by neqo
          cargo generate-lockfile
          QLOG_VERSION=$(cargo pkgid qlog | cut -d@ -f2)
          rm Cargo.lock
          cd mozilla-unified
          {
            echo '[[audits.qlog]]'
            echo 'who = "CI"'
            echo 'criteria = "safe-to-deploy"'
            echo "version = \"$QLOG_VERSION\""
          } >> supply-chain/audits.toml
          sed -i'' -e "s/qlog =.*/qlog = \"$QLOG_VERSION\"/" netwerk/socket/neqo_glue/Cargo.toml
          {
            echo '[patch."https://github.com/mozilla/neqo"]'
            echo 'neqo-http3 = { path = "../neqo-http3" }'
            echo 'neqo-transport = { path = "../neqo-transport" }'
            echo 'neqo-common = { path = "../neqo-common" }'
            echo 'neqo-qpack = { path = "../neqo-qpack" }'
            echo 'neqo-crypto = { path = "../neqo-crypto" }'
          } >> Cargo.toml
          cargo update neqo-http3 neqo-transport neqo-common neqo-qpack neqo-crypto
          ./mach vendor rust --ignore-modified

      - name: Build Firefox
        env:
          NAME: ${{ runner.os == 'macOS' && 'Nightly' || 'bin' }}
          TYPE: ${{ runner.os == 'macOS' && matrix.type == 'debug' && 'Debug' || '' }}
          EXT: ${{ runner.os == 'macOS' && '.app' || '' }}
        run: |
          cd mozilla-unified
          ./mach build && tar -cf "../$FIREFOX.tar" -C "../$FIREFOX/dist" "$NAME$TYPE$EXT"
          exit 0

      - name: Export binary
        id: upload
        uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
        with:
          name: ${{ runner.os }}-${{ env.FIREFOX }}-${{ matrix.type }}.tgz
          path: ${{ env.FIREFOX }}.tar
          compression-level: 9

      - run: echo "${{ steps.upload.outputs.artifact-url }}" >> artifact

      - name: Export artifact URL
        uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
        with:
          name: artifact-${{ runner.os }}-${{ env.FIREFOX }}-${{ matrix.type }}
          path: artifact
          retention-days: 1

  comment:
    name: Comment on PR
    if: always()
    needs: firefox
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f # v4.1.3

      - uses: actions/download-artifact@9c19ed7fe5d278cd354c7dfd5d3b88589c7e2395 # v4.1.6
        with:
          pattern: 'artifact-*'
          path: artifacts

      - run: |
          {
            echo "### Firefox builds for this PR"
            echo "The following builds are available for testing. Crossed-out builds did not succeed."
            for os in Linux macOS Windows; do
              echo -n "* **$os**:"
              for type in debug release; do
                artifact="artifacts/artifact-$os-${{ env.FIREFOX }}-$type/artifact"
                if [ -e "$artifact" ]; then
                  echo -n " [${type^}]($(cat $artifact))"
                else
                  echo -n " ~~${type^}~~"
                fi
              done
              echo
            done
          } > comment.md
          cat comment.md > "$GITHUB_STEP_SUMMARY"

      - uses: ./.github/actions/pr-comment-data-export
        with:
          name: ${{ github.workflow }}
          contents: comment.md