Build Flutter Engine

action.yaml

# .github/actions/build-engine/action.yml
name: ""
description: "Build the engine with a specific gclient setup and config name"
inputs:
  gclient:
    description: "gclient name"
    required: false
    default: ""
  config_name:
    description: "name of a valid et config"
    required: false
    default: ""
  engine_version:
    description: "the engine version for the output assets"
    required: false
    default: ""
  gcp_credentials:
    description: "the engine version for the output assets"
    required: false
    default: ""
runs:
  using: "composite"
  steps:
    - name: 'Set up Cloud SDK'
      uses: 'google-github-actions/setup-gcloud@v2'
      with:
        version: '>= 363.0.0'

    - name: Setup gcloud
      shell: bash
      env:
        GCP_CREDENTIALS: ${{ inputs.gcp_credentials }}
      run: |
        echo "$GCP_CREDENTIALS"  | base64 -d  > "$HOME"/gcloud.json
        gcloud auth activate-service-account --key-file="$HOME"/gcloud.json

    - name: Free disk space
      shell: bash
      if: contains(matrix.os, 'ubuntu')
      run: curl -fsSL https://raw.githubusercontent.com/kou/arrow/e49d8ae15583ceff03237571569099a6ad62be32/ci/scripts/util_free_space.sh | bash

    - name: Check out the repository
      uses: actions/checkout@v4

    - uses: actions/setup-python@v5
      with:
        python-version: '3.13'
    
    - name:
      if: ${{ contains(inputs.config_name, 'android') == true }}
      shell: bash
      run: |
        engine/src/build/linux/sysroot_scripts/install-sysroot.py --arch=x64

    - name: Set up depot_tools / gclient
      shell: bash
      run: |
        git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git $HOME/depot_tools
        # Append depot_tools to the PATH for subsequent steps
        echo "$HOME/depot_tools" >> $GITHUB_PATH

    - name: Copy gclient file
      shell: bash
      run: |
        # Use custom gclient to trim size
        cp engine/scripts/${{ inputs.gclient }}.gclient .gclient

    - name: Gclient sync
      shell: bash
      run: gclient sync -D

    - name: Fetch engine dependencies
      shell: bash
      run: |
        cd engine/src
        ./flutter/bin/et fetch

    - name: Build Engine
      shell: bash
      run: |
        echo "Running et config: ${{ inputs.config_name }}"
        cd engine/src
        ./flutter/bin/et build --config ${{ inputs.config_name }}

    - name: Copy Zip Archives
      shell: bash
      if: ${{ hashFiles(format('engine/src/out/{0}/zip_archives/**', inputs.config_name))!= ''  && contains(inputs.config_name, 'test') == false}}
      run: |
        cd engine/src
        echo "copying output to /build_outputs/flutter/engine/<engine-revision>/<platform>/<artifact-name>"
        gcloud storage cp --recursive out/${{ inputs.config_name }}/zip_archives/* gs://flutter-builds/flutter_infra_release/flutter/engine/${{ inputs.engine_version }}/

    - name: Copy Engine Outputs
      shell: bash
      if: ${{ hashFiles(format('engine/src/out/{0}/zip_archives/**', inputs.config_name)) == '' && contains(inputs.config_name, 'test') == false }}
      run: |
        cd engine/src
        echo "copying output to /build_outputs/flutter/engine/<engine-revision>/<platform>/<artifact-name>"
        tar c out/${{ inputs.config_name }} | gzip > out/${{ inputs.config_name }}.tar.gz
        gcloud storage cp --recursive out/${{ inputs.config_name }}.tar.gz gs://flutter-builds/flutter_infra_release/flutter/engine/${{ inputs.engine_version }}/${{ inputs.config_name }}.tar.gz

build-engine.yaml

name: Build Flutter Engine with Engine Tool (Matrix)

on:
  push:
    branches: [ "main", "stable", "beta", "engine-builds" ]
  pull_request:
    branches: [ "main", "stable", "beta", "engine-builds" ]
env:
  # don't try to install google's internal copy of visual studio
  DEPOT_TOOLS_WIN_TOOLCHAIN: 0

jobs:
  build-engine-web:
    # We'll run on whatever OS the matrix entry specifies.
    runs-on: ${{ matrix.os }}
    defaults:
      run:
        shell: bash

    strategy:
      max-parallel: 4
      matrix:
        include:

          - name: linux wasm release (web)
            config_name: wasm_release
            os: ubuntu-latest

          - name: linux wasm debug (web)
            config_name: wasm_debug_unopt
            os: ubuntu-latest

          # Running web tests with et doesn't seem to work

          #- name: web_tests/test_bundles/dart2js-canvaskit-canvaskit
          #  os: ubuntu-latest
          #  config_name: web_tests/test_bundles/dart2js-canvaskit-canvaskit
          #- name: web_tests/test_bundles/dart2js-canvaskit-engine
          #  os: ubuntu-latest
          #  config_name: web_tests/test_bundles/dart2js-canvaskit-engine
          #- name: web_tests/test_bundles/dart2js-canvaskit-ui
          #  os: ubuntu-latest
          #  config_name: web_tests/test_bundles/dart2js-canvaskit-ui
          #- name: web_tests/test_bundles/dart2wasm-canvaskit-engine
          #  os: ubuntu-latest
          #  config_name: web_tests/test_bundles/dart2wasm-canvaskit-engine
          #- name: web_tests/test_bundles/dart2wasm-skwasm-ui
          #  os: ubuntu-latest
          #  config_name: web_tests/test_bundles/dart2wasm-skwasm-ui
          #- name: web_tests/test_bundles/fallbacks
          #  os: ubuntu-latest
          #  config_name: web_tests/test_bundles/fallbacks

    steps:
      - name: Check out the repository
        uses: actions/checkout@v4

      - name: web build
        uses: ./.github/actions/build-engine
        with:
          gcp_credentials: ${{ secrets.GOOGLE_STORAGE_BUCKET_SECRET }}
          gclient: slim-linux-web
          config_name: ${{ matrix.config_name }}
          engine_version: ${{ github.sha }}


  build-engine-android:
    # We'll run on whatever OS the matrix entry specifies.
    runs-on: ${{ matrix.os }}
    defaults:
      run:
        shell: bash

    strategy:
      max-parallel: 4
      matrix:
        include:
          - name: android debug
            os: ubuntu-latest
            config_name: ci/android_debug

          - name: android debug arm64
            os: ubuntu-latest
            config_name: ci/android_debug_arm64

          - name: android debug arm64 clang tidy
            os: ubuntu-latest
            config_name: ci/android_debug_arm64_clang_tidy

          - name: android debug arm64 ddm
            os: ubuntu-latest
            config_name: ci/android_debug_arm64_ddm

          - name: android debug arm64 validation layers
            os: ubuntu-latest
            config_name: ci/android_debug_arm64_validation_layers

          - name: android debug unopt
            os: ubuntu-latest
            config_name: ci/android_debug_unopt

          - name: android debug x64
            os: ubuntu-latest
            config_name: ci/android_debug_x64

          - name: android debug x86
            os: ubuntu-latest
            config_name: ci/android_debug_x86

          - name: android embedder debug unopt
            os: ubuntu-latest
            config_name: ci/android_embedder_debug_unopt

          - name: android emulator debug x64
            os: ubuntu-latest
            config_name: ci/android_emulator_debug_x64

          - name: android emulator debug x86
            os: ubuntu-latest
            config_name: ci/android_emulator_debug_x86

          - name: android profile
            os: ubuntu-latest
            config_name: ci/android_profile

          - name: android profile arm64
            os: ubuntu-latest
            config_name: ci/android_profile_arm64

          - name: android profile x64
            os: ubuntu-latest
            config_name: ci/android_profile_x64

          - name: android release
            os: ubuntu-latest
            config_name:  ci/android_release

          - name: android release arm64
            os: ubuntu-latest
            config_name: ci/android_release_arm64

          - name: android release arm64 ddm
            os: ubuntu-latest
            config_name:  ci/android_release_arm64_ddm

          - name: android release x64
            os: ubuntu-latest
            config_name: ci/android_release_x64

    steps:
      - name: Check out the repository
        uses: actions/checkout@v4

      - name: android build
        uses: ./.github/actions/build-engine
        with:
          gcp_credentials: ${{ secrets.GOOGLE_STORAGE_BUCKET_SECRET }}
          gclient: slim-linux-android
          config_name: ${{ matrix.config_name }}
          engine_version: ${{ github.sha }}


  build-engine-linux:
    # We'll run on whatever OS the matrix entry specifies.
    runs-on: ${{ matrix.os }}
    defaults:
      run:
        shell: bash


    strategy:
      max-parallel: 4
      matrix:
        include:

          - name: linux host debug unopt
            os: ubuntu-latest
            config_name: ci/host_debug_unopt

          - name: linux debug arm64
            os: ubuntu-latest
            config_name: ci/linux_debug_arm64

          - name: linux profile arm64
            os: ubuntu-latest
            config_name: ci/linux_profile_arm64
          - name: linux release arm64
            os: ubuntu-latest
            config_name: ci/linux_release_arm64

          - name: linux host release
            os: ubuntu-latest
            config_name: ci/host_release

          - name: linux host debug
            config_name: ci/host_debug
            os: ubuntu-latest


          - name: linux host release
            os: ubuntu-latest
            config_name: ci/host_release_desktop

          - name: linux host debug
            config_name: ci/host_debug_desktop
            os: ubuntu-latest

          - name: linux host debug clang tidy
            os: ubuntu-latest
            config_name: ci/host_debug_clang_tidy

          - name: linux host debug ddm
            os: ubuntu-latest
            config_name: ci/host_debug_ddm

    steps:

      - name: Check out the repository
        uses: actions/checkout@v4

      - name: linux build
        uses: ./.github/actions/build-engine
        with:
          gcp_credentials: ${{ secrets.GOOGLE_STORAGE_BUCKET_SECRET }}
          gclient: slim-linux-desktop
          config_name: ${{ matrix.config_name }}
          engine_version: ${{ github.sha }}

      # ------------------------- TESTS BUILDS -------------------------

      # - name: linux host debug test
      #  os: ubuntu-latest
      #  config_name: ci/host_debug_test
      # - name: linux host debug unopt impeller tests
      #  os: ubuntu-latest
      #  config_name: ci/host_debug_unopt_impeller_tests
      # - name: linux host profile desktop
      #  os: ubuntu-latest
      #  config_name: ci/host_profile_desktop
      #- name: linux host profile test
      #  os: ubuntu-latest
      #  config_name: ci/host_profile_test
      #- name: linux host release test
      #  os: ubuntu-latest
      #  config_name: ci/host_release_test
      #- name: android debug test
      #  os: ubuntu-latest
      #  config_name: ci/android_debug_test

  build-engine-mac:
    # We'll run on whatever OS the matrix entry specifies.
    runs-on: ${{ matrix.os }}
    defaults:
      run:
        shell: bash

    strategy:
      max-parallel: 4
      matrix:
        include:

         # ------------------------- MAC BUILDS -------------------------

          - name: mac debug arm64
            os: macos-latest
            config_name: ci/mac_debug_arm64

          - name: mac debug framework arm64
            os: macos-latest
            config_name: ci/mac_debug_framework_arm64

          - name: mac debug gen snapshot arm64
            os: macos-latest
            config_name: ci/mac_debug_gen_snapshot_arm64

          - name: mac profile arm64
            os: macos-latest
            config_name: ci/mac_profile_arm64

          - name: mac profile frmaoek arm64
            os: macos-latest
            config_name: ci/mac_profile_framework_arm64

          - name: mac profile gen snapshot arm64
            os: macos-latest
            config_name: ci/mac_profile_gen_snapshot_arm64

          - name: mac release arm64
            os: macos-latest
            config_name: ci/mac_release_arm64

          - name: mac framework arm64
            os: macos-latest
            config_name: ci/mac_release_framework_arm64

          - name: mac mac release gen snapshot arm64
            os: macos-latest
            config_name: ci/mac_release_gen_snapshot_arm64

          - name: mac host debug clang tidy
            os: macos-latest
            config_name: ci/host_debug_clang_tidy

          - name: mac host debug framework
            os: macos-latest
            config_name:  ci/host_debug_framework

          - name: mac host debug den snapshot
            os: macos-latest
            config_name: ci/host_debug_gen_snapshot

          - name: mac host debug unopt arm64
            os: macos-latest
            config_name: ci/host_debug_unopt_arm64

          - name: mac host profile framework
            os: macos-latest
            config_name: ci/host_profile_framework

          - name: mac host profile gen snapshot
            os: macos-latest
            config_name: ci/host_profile_gen_snapshot

          - name: mac host release framework
            os: macos-latest
            config_name: ci/host_release_framework

          - name: mac host release gen snapshot
            os: macos-latest
            config_name: ci/host_release_gen_snapshot

          - name: mac host profile
            os: macos-latest
            config_name: ci/host_profile

          - name: mac host release
            os: macos-latest
            config_name: ci/host_release

          - name: mac host debug
            config_name: ci/host_debug
            os: macos-latest

          - name: mac release framework
            config_name: ci/host_release_framework
            os: macos-latest

          - name: mac debug framework
            config_name: ci/host_debug_framework
            os: macos-latest

    steps:
      - name: Check out the repository
        uses: actions/checkout@v4

      - name: mac build
        uses: ./.github/actions/build-engine
        with:
          gcp_credentials: ${{ secrets.GOOGLE_STORAGE_BUCKET_SECRET }}
          gclient: slim-mac
          config_name: ${{ matrix.config_name }}
          engine_version: ${{ github.sha }}


  build-engine-ios:
    # We'll run on whatever OS the matrix entry specifies.
    runs-on: ${{ matrix.os }}
    defaults:
      run:
        shell: bash

    strategy:
      max-parallel: 4
      matrix:
        include:
          # ------------------------- iOS BUILDS -------------------------

          - name: ios debug
            config_name: ci/ios_debug
            os: macos-latest

          - name: ios debug sim
            config_name: ci/ios_debug_sim
            os: macos-latest

          - name: ios debug sim arm64
            config_name: ci/ios_debug_sim_arm64
            os: macos-latest

          - name: ios profile
            config_name: ci/ios_profile
            os: macos-latest

          - name: ios release
            config_name: ci/ios_release
            os: macos-latest

          - name: ios debug extension safe
            config_name: ci/ios_debug_extension_safe
            os: macos-latest

          - name: ios debug sim arm64 extension safe
            config_name: ci/ios_debug_sim_arm64_extension_safe
            os: macos-latest

          - name: ios debug sim extension safe
            config_name: ci/ios_debug_sim_extension_safe
            os: macos-latest

          - name: ios debug unopt sim arm64 extension safe
            config_name: ci/ios_debug_unopt_sim_arm64_extension_safe
            os: macos-latest

          - name: ios profile extension safe
            config_name: ci/ios_profile_extension_safe
            os: macos-latest

          - name: ios release extension safe
            config_name: ci/ios_release_extension_safe
            os: macos-latest

          # ------------------------- TESTS BUILDS -------------------------

          # - name: mac release arm64 tests
          #  os: macos-latest
          #  config_name: ci/mac_release_arm64_tests
          #- name: mac host debug arm64 tests
          #  os: macos-latest
          #  config_name: ci/host_debug_arm64_tests
          #- name: mac host profile arm64 tests
          #  os: macos-latest
          #  config_name: ci/host_profile_arm64_tests
          #- name: mac host release arm64 tests
          #  os: macos-latest
          #  config_name: ci/host_release_arm64_tests

    steps:

      - name: Check out the repository
        uses: actions/checkout@v4

      - name: mac build
        uses: ./.github/actions/build-engine
        with:
          gcp_credentials: ${{ secrets.GOOGLE_STORAGE_BUCKET_SECRET }}
          gclient: slim-mac
          config_name: ${{ matrix.config_name }}
          engine_version: ${{ github.sha }}


  #build-engine-windows:
    # We'll run on whatever OS the matrix entry specifies.
  #  runs-on: ${{ matrix.os }}
  #  defaults:
  #    run:
  #      shell: bash

  #  strategy:
  #    max-parallel: 4
  #    matrix:
  #      include:
       # ------------------------- WINDOWS BUILDS -------------------------

          # Engine tool doesn't currently support windows
          #- name: Windows host release
          #  config_name: host_release
          #  os: windows-latest
  #  steps:
  #    - name: windows build
  #      uses: ./.github/actions/build-engine
  #      with:
  #        gcp_credentials: ${{ secrets.GOOGLE_STORAGE_BUCKET_SECRET }}
  #        gclient: slim-windows
  #        config_name: ${{ matrix.config_name }}
  #        engine_version: ${{ github.sha }}

  build-ios-release:
    needs: build-engine-ios
    runs-on: macos-latest
    defaults:
      run:
        shell: bash

    steps:

      - name: 'Set up Cloud SDK'
        uses: 'google-github-actions/setup-gcloud@v2'
        with:
          version: '>= 363.0.0'

      - name: Setup gcloud
        env:
          GCP_CREDENTIALS: ${{ secrets.GOOGLE_STORAGE_BUCKET_SECRET }}
        run: |
          echo "$GCP_CREDENTIALS"  | base64 -d  > "$HOME"/gcloud.json
          gcloud auth activate-service-account --key-file="$HOME"/gcloud.json

      - uses: actions/setup-python@v5
        with:
          python-version: '3.13'

      - name: Set up depot_tools / gclient
        run: |
          git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git $HOME/depot_tools
          # Append depot_tools to the PATH for subsequent steps
          echo "$HOME/depot_tools" >> $GITHUB_PATH

      - name: Check out the repository
        uses: actions/checkout@v4

      - name: gclient sync macos
        run: |
          # Use custom gclient to trim size
          cp engine/scripts/slim-mac.gclient .gclient
          gclient sync -D

      - name: build ios release
        run: |

          cd engine/src

          gcloud storage cp --recursive 'gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ci/ios_profile.tar.gz' .
          tar -xzf ios_profile.tar.gz
          rm ios_profile.tar.gz

          gcloud storage cp --recursive 'gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ci/ios_debug.tar.gz' .
          tar -xzf ios_debug.tar.gz
          rm ios_debug.tar.gz

          gcloud storage cp --recursive 'gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ci/ios_release.tar.gz' .
          tar -xzf ios_release.tar.gz
          rm ios_release.tar.gz

          gcloud storage cp --recursive 'gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ci/ios_debug_sim.tar.gz' .
          tar -xzf ios_debug_sim.tar.gz
          rm ios_debug_sim.tar.gz

          gcloud storage cp --recursive 'gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ci/ios_debug_sim_arm64.tar.gz' .
          tar -xzf ios_debug_sim_arm64.tar.gz
          rm ios_debug_sim_arm64.tar.gz

          gcloud storage cp --recursive 'gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ci/ios_release_extension_safe.tar.gz' .
          tar -xzf ios_release_extension_safe.tar.gz
          rm ios_release_extension_safe.tar.gz

          gcloud storage cp --recursive 'gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ci/ios_debug_extension_safe.tar.gz' .
          tar -xzf ios_debug_extension_safe.tar.gz
          rm ios_debug_extension_safe.tar.gz

          gcloud storage cp --recursive 'gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ci/ios_debug_sim_arm64_extension_safe.tar.gz' .
          tar -xzf ios_debug_sim_arm64_extension_safe.tar.gz
          rm  ios_debug_sim_arm64_extension_safe.tar.gz

          gcloud storage cp --recursive 'gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ci/ios_debug_unopt_sim_arm64_extension_safe.tar.gz' .
          tar -xzf ios_debug_unopt_sim_arm64_extension_safe.tar.gz
          rm ios_debug_unopt_sim_arm64_extension_safe.tar.gz

          gcloud storage cp --recursive 'gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ci/ios_debug_sim_extension_safe.tar.gz' .
          tar -xzf ios_debug_sim_extension_safe.tar.gz
          rm ios_debug_sim_extension_safe.tar.gz

          gcloud storage cp --recursive 'gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ci/ios_profile_extension_safe.tar.gz' .
          tar -xzf ios_profile_extension_safe.tar.gz
          rm ios_profile_extension_safe.tar.gz

          gcloud storage cp --recursive 'gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ci/ios_release_extension_safe.tar.gz' .
          tar -xzf ios_release_extension_safe.tar.gz
          rm ios_release_extension_safe.tar.gz


          python3 flutter/sky/tools/create_ios_framework.py \
          --dst out/ios \
          --arm64-out-dir out/ci/ios_debug \
          --simulator-x64-out-dir out/ci/ios_debug_sim \
          --simulator-arm64-out-dir out/ci/ios_debug_sim_arm64 \
          --dsym \
          --strip

          python3 flutter/sky/tools/create_ios_framework.py \
          --dst out/ios_release \
          --arm64-out-dir out/ci/ios_release \
          --simulator-x64-out-dir out/ci/ios_debug_sim \
          --simulator-arm64-out-dir out/ci/ios_debug_sim_arm64 \
          --dsym \
          --strip \

          python3 flutter/sky/tools/create_ios_framework.py \
          --dst out/ios_profile \
          --arm64-out-dir out/ci/ios_profile \
          --simulator-x64-out-dir out/ci/ios_debug_sim \
          --simulator-arm64-out-dir out/ci/ios_debug_sim_arm64 \
          --dsym \
          --strip \

          gcloud storage cp --recursive out/ios/ gs://flutter-builds/flutter_infra_release/flutter/engine//ios/
          gcloud storage cp --recursive out/ios_release/ gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ios_release/
          gcloud storage cp --recursive out/ios_profile/ gs://flutter-builds/flutter_infra_release/flutter/engine/${{github.sha}}/ios_profile/

slim-linux-android.gclient

# Copy this file to the root of your flutter checkout to bootstrap gclient
# or just run gclient sync in an empty directory with this file.
solutions = [
  {
    "custom_deps": {},
    "deps_file": "DEPS",
    "managed": False,
    "name": ".",
    "safesync_url": "",

    # If you are using SSH to connect to GitHub, change the URL to:
    # [email protected]:flutter/flutter.git
    "url": "https://github.com/flutter/flutter.git",


    "custom_vars": {
        "download_linux_deps": False,
        "download_android_deps": True,
        "download_esbuild": False,
        "download_fuchsia_deps": False,
    }
  },
]

slim-linux-desktop.gclient

# Copy this file to the root of your flutter checkout to bootstrap gclient
# or just run gclient sync in an empty directory with this file.
solutions = [
  {
    "custom_deps": {},
    "deps_file": "DEPS",
    "managed": False,
    "name": ".",
    "safesync_url": "",

    # If you are using SSH to connect to GitHub, change the URL to:
    # [email protected]:flutter/flutter.git
    "url": "https://github.com/flutter/flutter.git",


    "custom_vars": {
        "download_linux_deps": True,
        "download_android_deps": False,
        "download_esbuild": False,
        "download_fuchsia_deps": False,
    }
  },
]

slim-linux-web.gclient

# Copy this file to the root of your flutter checkout to bootstrap gclient
# or just run gclient sync in an empty directory with this file.
solutions = [
  {
    "custom_deps": {},
    "deps_file": "DEPS",
    "managed": False,
    "name": ".",
    "safesync_url": "",

    # If you are using SSH to connect to GitHub, change the URL to:
    # [email protected]:flutter/flutter.git
    "url": "https://github.com/flutter/flutter.git",


    "custom_vars": {
        "download_linux_deps": True,
        "download_android_deps": False,
        "download_esbuild": True,
        "download_fuchsia_deps": False,
        "download_emsdk": True,
    }
  },
]

slim-mac.gclient

# Copy this file to the root of your flutter checkout to bootstrap gclient
# or just run gclient sync in an empty directory with this file.
solutions = [
  {
    "custom_deps": {},
    "deps_file": "DEPS",
    "managed": False,
    "name": ".",
    "safesync_url": "",

    # If you are using SSH to connect to GitHub, change the URL to:
    # [email protected]:flutter/flutter.git
    "url": "https://github.com/flutter/flutter.git",


    "custom_vars": {
        "download_linux_deps": False,
        "download_android_deps": False,
        "download_esbuild": False,
        "download_fuchsia_deps": False,
    }
  },
]

slim-windows.gclient

# Copy this file to the root of your flutter checkout to bootstrap gclient
# or just run gclient sync in an empty directory with this file.
solutions = [
  {
    "custom_deps": {},
    "deps_file": "DEPS",
    "managed": False,
    "name": ".",
    "safesync_url": "",

    # If you are using SSH to connect to GitHub, change the URL to:
    # [email protected]:flutter/flutter.git
    "url": "https://github.com/flutter/flutter.git",


    "custom_vars": {
        "download_android_deps": False,
        "download_esbuild": False,
        "download_fuchsia_deps": False,
    }
  },
]