diff --git a/packages/cutler/.gitignore b/packages/cutler/.gitignore
index 3a857904..9ddb333f 100644
--- a/packages/cutler/.gitignore
+++ b/packages/cutler/.gitignore
@@ -1,3 +1,5 @@
 # https://dart.dev/guides/libraries/private-files
 # Created by `dart pub`
 .dart_tool/
+build/
+coverage/
\ No newline at end of file
diff --git a/packages/cutler/lib/config.dart b/packages/cutler/lib/config.dart
index d0f15822..1c397cd6 100644
--- a/packages/cutler/lib/config.dart
+++ b/packages/cutler/lib/config.dart
@@ -2,14 +2,15 @@ import 'dart:io';
 
 // https://github.com/dart-lang/sdk/issues/18466
 // https://github.com/dart-lang/path/issues/117#issuecomment-1034313012
-String expandUser(String path) {
+String expandUser(String path, {Map<String, String>? env}) {
   // This is not "well written", but eventually I guess we should
   // write one and publish it if Dart doesn't add an equivalent method.
   // If we're in CMD or PowerShell, we need to expand %USERPROFILE%. If we're
   // in WSL, we need to expand $HOME.
   // This should handle ~ and ~user.
+  final environment = env ?? Platform.environment;
   if (path.startsWith('~')) {
-    final home = Platform.environment['HOME'];
+    final home = environment['HOME'];
     if (home == null) {
       throw Exception('Failed to expand $path');
     }
diff --git a/packages/cutler/test/cutler_test.dart b/packages/cutler/test/cutler_test.dart
new file mode 100644
index 00000000..274a1fae
--- /dev/null
+++ b/packages/cutler/test/cutler_test.dart
@@ -0,0 +1,17 @@
+import 'dart:io';
+
+import 'package:cutler/config.dart';
+import 'package:cutler/versions.dart';
+import 'package:test/test.dart';
+
+void main() {
+  test('parseBuildRoot', () {
+    final depsContents = File('test/fixtures/DEPS').readAsStringSync();
+    final buildrootVersion = parseBuildRoot(depsContents);
+    expect(buildrootVersion, 'd6c410f19de5947de40ce110c1e768c887870072');
+  });
+  test('expandUser', () {
+    final path = expandUser('~/foo/bar', env: {'HOME': '/home/user'});
+    expect(path, endsWith('/home/user/foo/bar'));
+  });
+}
diff --git a/packages/cutler/test/fixtures/DEPS b/packages/cutler/test/fixtures/DEPS
new file mode 100644
index 00000000..dd4e673d
--- /dev/null
+++ b/packages/cutler/test/fixtures/DEPS
@@ -0,0 +1,965 @@
+# Example DEPS file from Flutter Engine
+# Used to test our DEPS parsing regex.
+
+# The dependencies referenced by the Flutter Engine.
+#
+# This file is referenced by the .gclient file at the root of the checkout.
+# To preview changes to the dependencies, update this file and run
+# `gclient sync`.
+#
+# When adding a new dependency, please update the top-level .gitignore file
+# to list the dependency's destination directory.
+
+vars = {
+  'chromium_git': 'https://chromium.googlesource.com',
+  'swiftshader_git': 'https://swiftshader.googlesource.com',
+  'dart_git': 'https://dart.googlesource.com',
+  'flutter_git': 'https://flutter.googlesource.com',
+  'fuchsia_git': 'https://fuchsia.googlesource.com',
+  'github_git': 'https://github.com',
+  'skia_git': 'https://skia.googlesource.com',
+  'llvm_git': 'https://llvm.googlesource.com',
+  # OCMock is for testing only so there is no google clone
+  'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
+  'skia_revision': '0d31aa1f49cb8cfd790c44d92a9a023839524865',
+
+  'updater_git': 'https://github.com/shorebirdtech/updater.git',
+  'updater_rev': '226df7d08dd7899e5cad6b597f2405708e8560d4',
+
+  # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
+  # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.
+  'canvaskit_cipd_instance': '61aeJQ9laGfEFF_Vlc_u0MCkqB6xb2hAYHRBxKH-Uw4C',
+
+  # Do not download the Emscripten SDK by default.
+  # This prevents us from downloading the Emscripten toolchain for builds
+  # which do not build for the web. This toolchain is needed to build CanvasKit
+  # for the web engine.
+  'download_emsdk': False,
+
+  # For experimental features some dependencies may only be avaialable in the master/main
+  # channels. This variable is being set when CI is checking out the repository.
+  'release_candidate': False,
+
+
+  # As Dart does, we use Fuchsia's GN and Clang toolchain. These revision
+  # should be kept up to date with the revisions pulled by Dart.
+  # The list of revisions for these tools comes from Fuchsia, here:
+  # https://fuchsia.googlesource.com/integration/+/HEAD/toolchain
+  # If there are problems with the toolchain, contact fuchsia-toolchain@.
+  'clang_version': 'git_revision:20d06c833d833ef6b2d0f519cc4a7998d49a2803',
+
+  # When updating the Dart revision, ensure that all entries that are
+  # dependencies of Dart are also updated to match the entries in the
+  # Dart SDK's DEPS file for that revision of Dart. The DEPS file for
+  # Dart is: https://github.com/dart-lang/sdk/blob/main/DEPS
+  # You can use //tools/dart/create_updated_flutter_deps.py to produce
+  # updated revision list of existing dependencies.
+  'dart_revision': '7a6514d1377175decd3a886fe4190fbbebddac3a',
+
+  # WARNING: DO NOT EDIT MANUALLY
+  # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
+  'dart_binaryen_rev': 'b9b5f162ca8bf5b899ff0f0351491d7d403d7ed9',
+  'dart_boringssl_gen_rev': 'ced85ef0a00bbca77ce5a91261a5f2ae61b1e62f',
+  'dart_boringssl_rev': '87f316d7748268eb56f2dc147bd593254ae93198',
+  'dart_browser_launcher_rev': 'ba4e02851d2e3d5b2889c6b44f6189baea584ce1',
+  'dart_clock_rev': '93d9f56106fdba330bc8fade194038a5561ec730',
+  'dart_collection_rev': '9db854d03529ccf8d0d665868ded65a4c1403c0f',
+  'dart_devtools_rev': '026f0adf03725fbab24d601ac74c811808f258e5',
+  'dart_libprotobuf_rev': '24487dd1045c7f3d64a21f38a3f0c06cc4cf2edb',
+  'dart_perfetto_rev': 'b8da07095979310818f0efde2ef3c69ea70d62c5',
+  'dart_protobuf_gn_rev': 'f872f05cb0378eef9a7a2609076929f0f35b4141',
+  'dart_protobuf_rev': 'b90a4c44d56075eb23ee38ae56ce0febfd7f280f',
+  'dart_pub_rev': '3e2c92a8bb74935302de52b80b870bf66963756d',
+  'dart_root_certificates_rev': '692f6d6488af68e0121317a9c2c9eb393eb0ee50',
+  'dart_watcher_rev': '00aa79b0ff5562c9dafb0525891e2e69c51be06d',
+  'dart_webdev_rev': 'e887316c2352524baaf3b2e5aadd15ba0773edf6',
+  'dart_webkit_inspection_protocol_rev': '8401098ace995e4dcd9855a2741c2dacccaa780b',
+  'dart_yaml_edit_rev': '386fd331f206e0cb1d081cd76a4fe92fe016c99d',
+  'dart_zlib_rev': '27c2f474b71d0d20764f86f60ef8b00da1a16cda',
+
+  'ocmock_rev': 'c4ec0e3a7a9f56cfdbd0aa01f4f97bb4b75c5ef8', # v3.7.1
+
+  # Download a prebuilt Dart SDK by default
+  'download_dart_sdk': True,
+
+  # Checkout Android dependencies only on platforms where we build for Android targets.
+  'download_android_deps': 'host_os == "mac" or (host_os == "linux" and host_cpu == "x64")',
+
+  # Checkout Windows dependencies only if we are building on Windows.
+  'download_windows_deps' : 'host_os == "win"',
+
+  # Checkout Linux dependencies only when building on Linux.
+  'download_linux_deps': 'host_os == "linux"',
+
+  # Downloads the fuchsia SDK as listed in fuchsia_sdk_path var. This variable
+  # is currently only used for the Fuchsia LSC process and is not intended for
+  # local development.
+  'download_fuchsia_sdk': False,
+  'fuchsia_sdk_path': '',
+
+  # An LLVM backend needs LLVM binaries and headers. To avoid build time
+  # increases we can use prebuilts. We don't want to download this on every
+  # CQ/CI bot nor do we want the average Dart developer to incur that cost.
+  # So by default we will not download prebuilts. This varible is needed in
+  # the flutter engine to ensure that Dart gn has access to it as well.
+  "checkout_llvm": False,
+
+  # Setup Git hooks by default.
+  "setup_githooks": True,
+
+  # Upstream URLs for third party dependencies, used in
+  # determining common ancestor commit for vulnerability scanning
+  # prefixed with 'upstream_' in order to be identified by parsing tool.
+  # The vulnerabiity database being used in this scan can be browsed
+  # using this UI https://osv.dev/list
+  # If a new dependency needs to be added, the upstream (non-mirrored)
+  # git URL for that dependency should be added to this list 
+  # with the key-value pair being:
+  # 'upstream_[dep name from last slash and before .git in URL]':'[git URL]'
+  # example: 
+  "upstream_abseil-cpp": "https://github.com/abseil/abseil-cpp.git",
+  "upstream_angle": "https://github.com/google/angle.git",
+  "upstream_archive": "https://github.com/brendan-duncan/archive.git",
+  "upstream_args": "https://github.com/dart-lang/args.git",
+  "upstream_async": "https://github.com/dart-lang/async.git",
+  "upstream_bazel_worker": "https://github.com/dart-lang/bazel_worker.git",
+  "upstream_benchmark": "https://github.com/google/benchmark.git",
+  "upstream_boolean_selector": "https://github.com/dart-lang/boolean_selector.git",
+  "upstream_boringssl_gen": "https://github.com/dart-lang/boringssl_gen.git",
+  "upstream_boringssl": "https://github.com/openssl/openssl.git",
+  "upstream_browser_launcher": "https://github.com/dart-lang/browser_launcher.git",
+  "upstream_buildroot": "https://github.com/flutter/buildroot.git",
+  "upstream_cli_util": "https://github.com/dart-lang/cli_util.git",
+  "upstream_clock": "https://github.com/dart-lang/clock.git",
+  "upstream_collection": "https://github.com/dart-lang/collection.git",
+  "upstream_colorama": "https://github.com/tartley/colorama.git",
+  "upstream_convert": "https://github.com/dart-lang/convert.git",
+  "upstream_crypto": "https://github.com/dart-lang/crypto.git",
+  "upstream_csslib": "https://github.com/dart-lang/csslib.git",
+  "upstream_dart_style": "https://github.com/dart-lang/dart_style.git",
+  "upstream_dartdoc": "https://github.com/dart-lang/dartdoc.git",
+  "upstream_equatable": "https://github.com/felangel/equatable.git",
+  "upstream_ffi": "https://github.com/dart-lang/ffi.git",
+  "upstream_file": "https://github.com/google/file.dart.git",
+  "upstream_fixnum": "https://github.com/dart-lang/fixnum.git",
+  "upstream_flatbuffers": "https://github.com/google/flatbuffers.git",
+  "upstream_fontconfig": "https://gitlab.freedesktop.org/fontconfig/fontconfig.git",
+  "upstream_freetype2": "https://gitlab.freedesktop.org/freetype/freetype.git",
+  "upstream_gcloud": "https://github.com/dart-lang/gcloud.git",
+  "upstream_glfw": "https://github.com/glfw/glfw.git",
+  "upstream_glob": "https://github.com/dart-lang/glob.git",
+  "upstream_googleapis": "https://github.com/google/googleapis.dart.git",
+  "upstream_googletest": "https://github.com/google/googletest.git",
+  "upstream_gtest-parallel": "https://github.com/google/gtest-parallel.git",
+  "upstream_harfbuzz": "https://github.com/harfbuzz/harfbuzz.git",
+  "upstream_html": "https://github.com/dart-lang/html.git",
+  "upstream_http_multi_server": "https://github.com/dart-lang/http_multi_server.git",
+  "upstream_http_parser": "https://github.com/dart-lang/http_parser.git",
+  "upstream_http": "https://github.com/dart-lang/http.git",
+  "upstream_icu": "https://github.com/unicode-org/icu.git",
+  "upstream_intl": "https://github.com/dart-lang/intl.git",
+  "upstream_imgui": "https://github.com/ocornut/imgui.git",
+  "upstream_inja": "https://github.com/pantor/inja.git",
+  "upstream_json": "https://github.com/nlohmann/json.git",
+  "upstream_json_rpc_2": "https://github.com/dart-lang/json_rpc_2.git",
+  "upstream_libcxx": "https://github.com/llvm-mirror/libcxx.git",
+  "upstream_libcxxabi": "https://github.com/llvm-mirror/libcxxabi.git",
+  "upstream_libexpat": "https://github.com/libexpat/libexpat.git",
+  "upstream_libjpeg-turbo": "https://github.com/libjpeg-turbo/libjpeg-turbo.git",
+  "upstream_libpng": "https://github.com/glennrp/libpng.git",
+  "upstream_libtess2": "https://github.com/memononen/libtess2.git",
+  "upstream_libwebp": "https://chromium.googlesource.com/webm/libwebp.git",
+  "upstream_libxml": "https://gitlab.gnome.org/GNOME/libxml2.git",
+  "upstream_linter": "https://github.com/dart-lang/linter.git",
+  "upstream_logging": "https://github.com/dart-lang/logging.git",
+  "upstream_markdown": "https://github.com/dart-lang/markdown.git",
+  "upstream_matcher": "https://github.com/dart-lang/matcher.git",
+  "upstream_mime": "https://github.com/dart-lang/mime.git",
+  "upstream_mockito": "https://github.com/dart-lang/mockito.git",
+  "upstream_oauth2": "https://github.com/dart-lang/oauth2.git",
+  "upstream_ocmock": "https://github.com/erikdoe/ocmock.git",
+  "upstream_package_config": "https://github.com/dart-lang/package_config.git",
+  "upstream_packages": "https://github.com/flutter/packages.git",
+  "upstream_path": "https://github.com/dart-lang/path.git",
+  "upstream_platform": "https://github.com/google/platform.dart.git",
+  "upstream_pool": "https://github.com/dart-lang/pool.git",
+  "upstream_process_runner": "https://github.com/google/process_runner.git",
+  "upstream_process": "https://github.com/google/process.dart.git",
+  "upstream_protobuf": "https://github.com/google/protobuf.dart.git",
+  "upstream_pub_semver": "https://github.com/dart-lang/pub_semver.git",
+  "upstream_pub": "https://github.com/dart-lang/pub.git",
+  "upstream_pyyaml": "https://github.com/yaml/pyyaml.git",
+  "upstream_quiver-dart": "https://github.com/google/quiver-dart.git",
+  "upstream_rapidjson": "https://github.com/Tencent/rapidjson.git",
+  "upstream_root_certificates": "https://github.com/dart-lang/root_certificates.git",
+  "upstream_sdk": "https://github.com/dart-lang/sdk.git",
+  "upstream_shaderc": "https://github.com/google/shaderc.git",
+  "upstream_shelf": "https://github.com/dart-lang/shelf.git",
+  "upstream_skia": "https://skia.googlesource.com/skia.git",
+  "upstream_source_map_stack_trace": "https://github.com/dart-lang/source_map_stack_trace.git",
+  "upstream_source_maps": "https://github.com/dart-lang/source_maps.git",
+  "upstream_source_span": "https://github.com/dart-lang/source_span.git",
+  "upstream_sqlite": "https://github.com/sqlite/sqlite.git",
+  "upstream_sse": "https://github.com/dart-lang/sse.git",
+  "upstream_stack_trace": "https://github.com/dart-lang/stack_trace.git",
+  "upstream_stream_channel": "https://github.com/dart-lang/stream_channel.git",
+  "upstream_string_scanner": "https://github.com/dart-lang/string_scanner.git",
+  "upstream_SwiftShader": "https://swiftshader.googlesource.com/SwiftShader.git",
+  "upstream_term_glyph": "https://github.com/dart-lang/term_glyph.git",
+  "upstream_test_reflective_loader": "https://github.com/dart-lang/test_reflective_loader.git",
+  "upstream_test": "https://github.com/dart-lang/test.git",
+  "upstream_tinygltf": "https://github.com/syoyo/tinygltf.git",
+  "upstream_typed_data": "https://github.com/dart-lang/typed_data.git",
+  "upstream_usage": "https://github.com/dart-lang/usage.git",
+  "upstream_vector_math": "https://github.com/google/vector_math.dart.git",
+  "upstream_Vulkan-Headers": "https://github.com/KhronosGroup/Vulkan-Headers.git",
+  "upstream_VulkanMemoryAllocator": "https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git",
+  "upstream_watcher": "https://github.com/dart-lang/watcher.git",
+  "upstream_web_socket_channel": "https://github.com/dart-lang/web_socket_channel.git",
+  "upstream_webdev": "https://github.com/dart-lang/webdev.git",
+  "upstream_webkit_inspection_protocol": "https://github.com/google/webkit_inspection_protocol.dart.git",
+  "upstream_wuffs-mirror-release-c": "https://github.com/google/wuffs-mirror-release-c.git",
+  "upstream_yaml_edit": "https://github.com/dart-lang/yaml_edit.git",
+  "upstream_yaml": "https://github.com/dart-lang/yaml.git",
+  "upstream_yapf": "https://github.com/google/yapf.git",
+  "upstream_zlib": "https://github.com/madler/zlib.git",
+}
+
+gclient_gn_args_file = 'src/third_party/dart/build/config/gclient_args.gni'
+gclient_gn_args = [
+  'checkout_llvm'
+]
+
+# Only these hosts are allowed for dependencies in this DEPS file.
+# If you need to add a new host, contact chrome infrastructure team.
+allowed_hosts = [
+  'boringssl.googlesource.com',
+  'chrome-infra-packages.appspot.com',
+  'chromium.googlesource.com',
+  'dart.googlesource.com',
+  'flutter.googlesource.com',
+  'fuchsia.googlesource.com',
+  'llvm.googlesource.com',
+  'skia.googlesource.com',
+  'swiftshader.googlesource.com',
+]
+
+deps = {
+  'src': 'https://github.com/shorebirdtech/buildroot.git' + '@' + 'd6c410f19de5947de40ce110c1e768c887870072',
+
+   # Fuchsia compatibility
+   #
+   # The dependencies in this section should match the layout in the Fuchsia gn
+   # build. Eventually, we'll manage these dependencies together with Fuchsia
+   # and not have to specific hashes.
+
+  'src/third_party/rapidjson':
+   Var('fuchsia_git') + '/third_party/rapidjson' + '@' + 'ef3564c5c8824989393b87df25355baf35ff544b',
+
+  'src/third_party/harfbuzz':
+   Var('flutter_git') + '/third_party/harfbuzz' + '@' + '8e1629fbcf9c5b86f5574232dd271496fabaffaf',
+
+  'src/third_party/libcxx':
+   Var('llvm_git') + '/llvm-project/libcxx' + '@' + '44079a4cc04cdeffb9cfe8067bfb3c276fb2bab0',
+
+  'src/third_party/libcxxabi':
+   Var('llvm_git') + '/llvm-project/libcxxabi' + '@' + '2ce528fb5e0f92e57c97ec3ff53b75359d33af12',
+
+  'src/third_party/glfw':
+   Var('fuchsia_git') + '/third_party/glfw' + '@' + 'dd8a678a66f1967372e5a5e3deac41ebf65ee127',
+
+  'src/third_party/shaderc':
+   Var('github_git') + '/google/shaderc.git' + '@' + '7ea834ecc59258a5c13c3d3e6fa0582bdde7c543',
+
+  'src/third_party/vulkan-deps':
+   Var('chromium_git') + '/vulkan-deps' + '@' + 'a56166d59ebdb0208a7301d267460773df1a1adc',
+
+  'src/third_party/flatbuffers':
+   Var('github_git') + '/google/flatbuffers.git' + '@' + '0a80646371179f8a7a5c1f42c31ee1d44dcf6709',
+
+  'src/third_party/icu':
+   Var('chromium_git') + '/chromium/deps/icu.git' + '@' + '7698bff409f232537fb6e621a430500c0a81682f',
+
+  'src/third_party/khronos':
+   Var('chromium_git') + '/chromium/src/third_party/khronos.git' + '@' + '676d544d2b8f48903b7da9fceffaa534a5613978',
+
+   'src/third_party/gtest-parallel':
+   Var('chromium_git') + '/external/github.com/google/gtest-parallel' + '@' + '38191e2733d7cbaeaef6a3f1a942ddeb38a2ad14',
+
+  'src/third_party/benchmark':
+   Var('github_git') + '/google/benchmark' + '@' + '431abd149fd76a072f821913c0340137cc755f36',
+
+  'src/third_party/googletest':
+   Var('github_git') + '/google/googletest' + '@' + '054a986a8513149e8374fc669a5fe40117ca6b41',
+
+  'src/third_party/boringssl':
+   Var('github_git') + '/dart-lang/boringssl_gen.git' + '@' + Var('dart_boringssl_gen_rev'),
+
+  'src/third_party/yapf':
+  Var('github_git') + '/google/yapf' + '@' + '212c5b5ad8e172d2d914ae454c121c89cccbcb35',
+
+  'src/third_party/boringssl/src':
+   'https://boringssl.googlesource.com/boringssl.git' + '@' + Var('dart_boringssl_rev'),
+
+  'src/third_party/perfetto':
+   Var('fuchsia_git') + "/third_party/android.googlesource.com/platform/external/perfetto"
+   + '@' + Var('dart_perfetto_rev'),
+
+  'src/third_party/protobuf':
+   Var('fuchsia_git') + '/third_party/protobuf' + '@' + Var('dart_libprotobuf_rev'),
+
+  'src/build/secondary/third_party/protobuf':
+   Var('fuchsia_git') + '/protobuf-gn' + '@' + Var('dart_protobuf_gn_rev'),
+
+  'src/third_party/dart':
+   Var('dart_git') + '/sdk.git' + '@' + Var('dart_revision'),
+
+  # WARNING: Unused Dart dependencies in the list below till "WARNING:" marker are removed automatically - see create_updated_flutter_deps.py.
+
+  'src/third_party/dart/third_party/binaryen/src':
+   Var('chromium_git') + '/external/github.com/WebAssembly/binaryen.git@b9b5f162ca8bf5b899ff0f0351491d7d403d7ed9',
+
+  'src/third_party/dart/third_party/devtools':
+   {'packages': [{'version': 'git_revision:026f0adf03725fbab24d601ac74c811808f258e5', 'package': 'dart/third_party/flutter/devtools'}], 'dep_type': 'cipd'},
+
+  'src/third_party/dart/third_party/pkg/args':
+   Var('dart_git') + '/args.git@5ac2ba1d93f037c7aee2975703bf071f88597a76',
+
+  'src/third_party/dart/third_party/pkg/async':
+   Var('dart_git') + '/async.git@012781315e0f4659bc8d7806352e350e8fff8048',
+
+  'src/third_party/dart/third_party/pkg/bazel_worker':
+   Var('dart_git') + '/bazel_worker.git@d5f88375b41def124aa65be1d4da8a2c9e82e076',
+
+  'src/third_party/dart/third_party/pkg/boolean_selector':
+   Var('dart_git') + '/boolean_selector.git@28dc03d893e5ac4141b48d8e7ef80eacb04de071',
+
+  'src/third_party/dart/third_party/pkg/browser_launcher':
+   Var('dart_git') + '/browser_launcher.git' + '@' + Var('dart_browser_launcher_rev'),
+
+  'src/third_party/dart/third_party/pkg/cli_util':
+   Var('dart_git') + '/cli_util.git@6c318c29c4ad0efcbe2e847dd5cebac1e379c8f5',
+
+  'src/third_party/dart/third_party/pkg/clock':
+   Var('dart_git') + '/clock.git' + '@' + Var('dart_clock_rev'),
+
+  'src/third_party/dart/third_party/pkg/collection':
+   Var('dart_git') + '/collection.git' + '@' + Var('dart_collection_rev'),
+
+  'src/third_party/dart/third_party/pkg/convert':
+   Var('dart_git') + '/convert.git@8812e4034235bf90e89eea7635e10512a35d62e6',
+
+  'src/third_party/dart/third_party/pkg/crypto':
+   Var('dart_git') + '/crypto.git@8a03816370b2f856ab52bf302472a7bf1286094d',
+
+  'src/third_party/dart/third_party/pkg/csslib':
+   Var('dart_git') + '/csslib.git@5836863a4e73da8fb88b9a65901eb653339b1196',
+
+  'src/third_party/dart/third_party/pkg/dart_style':
+   Var('dart_git') + '/dart_style.git@33efb2560c62b7b7bf330009cd757495b0e1456a',
+
+  'src/third_party/dart/third_party/pkg/dartdoc':
+   Var('dart_git') + '/dartdoc.git@1a7952b13858ed307185a28f9b4ea861c0abb1c5',
+
+  'src/third_party/dart/third_party/pkg/ffi':
+   Var('dart_git') + '/ffi.git@04fa38ab45cb2957f9059e03031b53906c2c4385',
+
+  'src/third_party/dart/third_party/pkg/file':
+   Var('dart_git') + '/external/github.com/google/file.dart@72a67c33f90bfb7e10057e286e06d2fe3baa4d98',
+
+  'src/third_party/dart/third_party/pkg/fixnum':
+   Var('dart_git') + '/fixnum.git@92ec336bbd0d03e02be0208483bdfaf68b4b6b7c',
+
+  'src/third_party/dart/third_party/pkg/glob':
+   Var('dart_git') + '/glob.git@eaa878b6af1ec7f7deeab0d2f9e830a7a7da2a8c',
+
+  'src/third_party/dart/third_party/pkg/html':
+   Var('dart_git') + '/html.git@57b747d7052aba08901adb366ffb2836facaa04d',
+
+  'src/third_party/dart/third_party/pkg/http':
+   Var('dart_git') + '/http.git@ffb44388762716f8d93aaa8541f8c5f2de159b71',
+
+  'src/third_party/dart/third_party/pkg/http_multi_server':
+   Var('dart_git') + '/http_multi_server.git@e0b5d357890eb09f0a7b3d26ddf643dee6977c4b',
+
+  'src/third_party/dart/third_party/pkg/http_parser':
+   Var('dart_git') + '/http_parser.git@bbe37dd228ec59f58a73df4b328ef747757165c7',
+
+  'src/third_party/dart/third_party/pkg/intl':
+   Var('dart_git') + '/intl.git@a958db01c90d041f0cd357d1732ae9813b620ee0',
+
+  'src/third_party/dart/third_party/pkg/json_rpc_2':
+   Var('dart_git') + '/json_rpc_2.git@5da270592006e4d43fd5a6ac736829f955881240',
+
+  'src/third_party/dart/third_party/pkg/linter':
+   Var('dart_git') + '/linter.git@c0942721fcc1feeff278f95626cb5d27a654301e',
+
+  'src/third_party/dart/third_party/pkg/logging':
+   Var('dart_git') + '/logging.git@787030a2b3d0d5d53ce57f1c7dc74f27ecb07b0b',
+
+  'src/third_party/dart/third_party/pkg/markdown':
+   Var('dart_git') + '/markdown.git@d437c85188806fe2bfa4f3616159300ba9dc6d2a',
+
+  'src/third_party/dart/third_party/pkg/matcher':
+   Var('dart_git') + '/matcher.git@cb6b68c603d2c57a51bbddfff08fa211bba7dcd3',
+
+  'src/third_party/dart/third_party/pkg/mime':
+   Var('dart_git') + '/mime.git@2d8496df6a6e851816610c3f99eae0d9663f54c4',
+
+  'src/third_party/dart/third_party/pkg/mockito':
+   Var('dart_git') + '/mockito.git@28e8eda2ef16f2e9c5e2e8fef48a834afd33ce44',
+
+  'src/third_party/dart/third_party/pkg/package_config':
+   Var('dart_git') + '/package_config.git@7e09db12e968482ef81e309de3ce233463b4cd7e',
+
+  'src/third_party/dart/third_party/pkg/path':
+   Var('dart_git') + '/path.git@23e33194c4073c0fdd818a70dd944afd5ad206e6',
+
+  'src/third_party/dart/third_party/pkg/pool':
+   Var('dart_git') + '/pool.git@650e5d3eff10529c65ef45b5fcb4bca270c7ea8f',
+
+  'src/third_party/dart/third_party/pkg/protobuf':
+   Var('dart_git') + '/protobuf.git' + '@' + Var('dart_protobuf_rev'),
+
+  'src/third_party/dart/third_party/pkg/pub':
+   Var('dart_git') + '/pub.git' + '@' + Var('dart_pub_rev'),
+
+  'src/third_party/dart/third_party/pkg/pub_semver':
+   Var('dart_git') + '/pub_semver.git@860e3d825ff7ff9f3422091fe5948f5fd0fb0dcd',
+
+  'src/third_party/dart/third_party/pkg/shelf':
+   Var('dart_git') + '/shelf.git@9a792b49f07bd9d310d83cd103035cc60a9956af',
+
+  'src/third_party/dart/third_party/pkg/source_map_stack_trace':
+   Var('dart_git') + '/source_map_stack_trace.git@08a81a81710fe1442a705c5761bccf3280940a9c',
+
+  'src/third_party/dart/third_party/pkg/source_maps':
+   Var('dart_git') + '/source_maps.git@0a4b030b381996c203f054f4f3f93cd256fec83a',
+
+  'src/third_party/dart/third_party/pkg/source_span':
+   Var('dart_git') + '/source_span.git@b739fbf161e0b3058d6fda6f95953b359afdd0fb',
+
+  'src/third_party/dart/third_party/pkg/sse':
+   Var('dart_git') + '/sse.git@11e83a0810c06b6f468ca8f50117ab97fcf9c92e',
+
+  'src/third_party/dart/third_party/pkg/stack_trace':
+   Var('dart_git') + '/stack_trace.git@9c1b1c506053e98602957b79f45930b31ffdba29',
+
+  'src/third_party/dart/third_party/pkg/stream_channel':
+   Var('dart_git') + '/stream_channel.git@74646ea6d87cf3b3ef5b08656b2afd326e4e5beb',
+
+  'src/third_party/dart/third_party/pkg/string_scanner':
+   Var('dart_git') + '/string_scanner.git@f7a656fdaaab069fc6f8c9d34d3205ce6100dfb1',
+
+  'src/third_party/dart/third_party/pkg/term_glyph':
+   Var('dart_git') + '/term_glyph.git@f6856e264f8f88309be36a7eed6defce2ab38b24',
+
+  'src/third_party/dart/third_party/pkg/test':
+   Var('dart_git') + '/test.git@8ea42987b0fee4a31ec97c101d0c66a461bf18f3',
+
+  'src/third_party/dart/third_party/pkg/test_reflective_loader':
+   Var('dart_git') + '/test_reflective_loader.git@a85a930ad3736f93b96f6cc104d3576c1ae19e0e',
+
+  'src/third_party/dart/third_party/pkg/tools':
+   Var('dart_git') + '/tools.git@0304fbbb42989abd9ab6bbdfad26d830c96a7574',
+
+  'src/third_party/dart/third_party/pkg/typed_data':
+   Var('dart_git') + '/typed_data.git@d85363d2efb333afce07ec409a529ec32986e1a2',
+
+  'src/third_party/dart/third_party/pkg/usage':
+   Var('dart_git') + '/usage.git@0698711985b332432ce9a901bbbd3b1ed227b090',
+
+  'src/third_party/dart/third_party/pkg/watcher':
+   Var('dart_git') + '/watcher.git' + '@' + Var('dart_watcher_rev'),
+
+  'src/third_party/dart/third_party/pkg/web_socket_channel':
+   Var('dart_git') + '/web_socket_channel.git@40eb2360e10595c2eab33cf61439c45708eb8d29',
+
+  'src/third_party/dart/third_party/pkg/webdev':
+   Var('dart_git') + '/webdev.git' + '@' + Var('dart_webdev_rev'),
+
+  'src/third_party/dart/third_party/pkg/webkit_inspection_protocol':
+   Var('dart_git') + '/external/github.com/google/webkit_inspection_protocol.dart.git' + '@' + Var('dart_webkit_inspection_protocol_rev'),
+
+  'src/third_party/dart/third_party/pkg/yaml':
+   Var('dart_git') + '/yaml.git@56dfaf4fb021ac1c0f1a469e7c8e71ea4f7add2f',
+
+  'src/third_party/dart/third_party/pkg/yaml_edit':
+   Var('dart_git') + '/yaml_edit.git' + '@' + Var('dart_yaml_edit_rev'),
+
+  'src/third_party/dart/tools/sdks':
+   {'packages': [{'version': 'version:3.0.0-369.0.dev', 'package': 'dart/dart-sdk/${{platform}}'}], 'dep_type': 'cipd'},
+
+  # WARNING: end of dart dependencies list that is cleaned up automatically - see create_updated_flutter_deps.py.
+
+  # Prebuilt Dart SDK of the same revision as the Dart SDK source checkout
+  'src/flutter/prebuilts/linux-x64/dart-sdk': {
+    'packages': [
+      {
+        'package': 'flutter/dart-sdk/linux-amd64',
+        'version': 'git_revision:'+Var('dart_revision')
+      }
+    ],
+    'dep_type': 'cipd',
+    'condition': 'host_os == "linux" and download_dart_sdk'
+  },
+  'src/flutter/prebuilts/linux-arm64/dart-sdk': {
+    'packages': [
+      {
+        'package': 'flutter/dart-sdk/linux-arm64',
+        'version': 'git_revision:'+Var('dart_revision')
+      }
+    ],
+    'dep_type': 'cipd',
+    'condition': 'host_os == "linux" and download_dart_sdk'
+  },
+  'src/flutter/prebuilts/macos-x64/dart-sdk': {
+    'packages': [
+      {
+        'package': 'flutter/dart-sdk/mac-amd64',
+        'version': 'git_revision:'+Var('dart_revision')
+      }
+    ],
+    'dep_type': 'cipd',
+    'condition': 'host_os == "mac" and download_dart_sdk'
+  },
+  'src/flutter/prebuilts/macos-arm64/dart-sdk': {
+    'packages': [
+      {
+        'package': 'flutter/dart-sdk/mac-arm64',
+        'version': 'git_revision:'+Var('dart_revision')
+      }
+    ],
+    'dep_type': 'cipd',
+    'condition': 'host_os == "mac" and download_dart_sdk'
+  },
+  'src/flutter/prebuilts/windows-x64/dart-sdk': {
+    'packages': [
+      {
+        'package': 'flutter/dart-sdk/windows-amd64',
+        'version': 'git_revision:'+Var('dart_revision')
+      }
+    ],
+    'dep_type': 'cipd',
+    'condition': 'host_os == "win" and download_dart_sdk'
+  },
+  'src/flutter/prebuilts/windows-arm64/dart-sdk': {
+    'packages': [
+      {
+        'package': 'flutter/dart-sdk/windows-arm64',
+        'version': 'git_revision:'+Var('dart_revision')
+      }
+    ],
+    'dep_type': 'cipd',
+    'condition': 'host_os == "win" and download_dart_sdk and not release_candidate'
+  },
+
+  'src/third_party/colorama/src':
+   Var('chromium_git') + '/external/colorama.git' + '@' + '799604a1041e9b3bc5d2789ecbd7e8db2e18e6b8',
+
+  'src/third_party/expat':
+   Var('chromium_git') + '/external/github.com/libexpat/libexpat.git' + '@' + '654d2de0da85662fcc7644a7acd7c2dd2cfb21f0',
+
+  'src/third_party/freetype2':
+   Var('flutter_git') + '/third_party/freetype2' + '@' + '3bea2761290a1cbe7d8f75c1c5a7ad727f826a66',
+
+  'src/third_party/root_certificates':
+   Var('dart_git') + '/root_certificates.git' + '@' + Var('dart_root_certificates_rev'),
+
+  'src/third_party/skia':
+   Var('skia_git') + '/skia.git' + '@' +  Var('skia_revision'),
+
+  'src/third_party/ocmock':
+   Var('ocmock_git') + '@' +  Var('ocmock_rev'),
+
+  'src/third_party/updater':
+   Var('updater_git') + '@' +  Var('updater_rev'),
+
+  'src/third_party/libjpeg-turbo':
+   Var('fuchsia_git') + '/third_party/libjpeg-turbo' + '@' + '0fb821f3b2e570b2783a94ccd9a2fb1f4916ae9f',
+
+  'src/third_party/libpng':
+   Var('flutter_git') + '/third_party/libpng' + '@' + '9187b6e12756317f6d44fc669ac11dfc262bd192',
+
+  'src/third_party/libwebp':
+   Var('chromium_git') + '/webm/libwebp.git' + '@' + '7dfde712a477e420968732161539011e0fd446cf', # 1.2.0
+
+  'src/third_party/wuffs':
+   Var('skia_git') + '/external/github.com/google/wuffs-mirror-release-c.git' + '@' + '600cd96cf47788ee3a74b40a6028b035c9fd6a61',
+
+  'src/third_party/fontconfig/src':
+   Var('chromium_git') + '/external/fontconfig.git' + '@' + 'c336b8471877371f0190ba06f7547c54e2b890ba',
+
+  'src/third_party/fontconfig':
+   Var('flutter_git') + '/third_party/fontconfig' + '@' + '81c83d510ae3aa75589435ce32a5de05139aacb0',
+
+  'src/third_party/libxml':
+   Var('flutter_git') + '/third_party/libxml' + '@' + 'a143e452b5fc7d872813eeadc8db421694058098',
+
+  'src/third_party/zlib':
+   Var('chromium_git') + '/chromium/src/third_party/zlib.git' + '@' + Var('dart_zlib_rev'),
+
+  'src/third_party/inja':
+   Var('flutter_git') + '/third_party/inja' + '@' + '88bd6112575a80d004e551c98cf956f88ff4d445',
+
+  'src/third_party/libtess2':
+   Var('flutter_git') + '/third_party/libtess2' + '@' + '725e5e08ec8751477565f1d603fd7eb9058c277c',
+
+  'src/third_party/sqlite':
+   Var('flutter_git') + '/third_party/sqlite' + '@' + '0f61bd2023ba94423b4e4c8cfb1a23de1fe6a21c',
+
+  'src/third_party/pyyaml':
+   Var('fuchsia_git') + '/third_party/pyyaml.git' + '@' + '25e97546488eee166b1abb229a27856cecd8b7ac',
+
+   # Upstream Khronos Vulkan Headers are part of vulkan-deps
+   # Downstream Fuchsia Vulkan Headers (v1.2.198)
+  'src/third_party/fuchsia-vulkan':
+   Var('fuchsia_git') + '/third_party/Vulkan-Headers.git' + '@' + '32640ad82ef648768c706c9bf828b77123a09bc2',
+
+   'src/third_party/swiftshader':
+   Var('swiftshader_git') + '/SwiftShader.git' + '@' + '5f9ed9b16931c7155171d31f75004f73f0a3abc8',
+
+   'src/third_party/angle':
+   Var('chromium_git') + '/angle/angle.git' + '@' + '32175d8a6dc185dd850e5c9988f208085c9c0d80',
+
+   'src/third_party/vulkan_memory_allocator':
+   Var('chromium_git') + '/external/github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator' + '@' + '7de5cc00de50e71a3aab22dea52fbb7ff4efceb6',
+
+   'src/third_party/abseil-cpp':
+   Var('flutter_git') + '/third_party/abseil-cpp.git' + '@' + '61833f2c057a2b1993d871e8c51156aed1dd4354',
+
+   # Dart packages
+  'src/third_party/pkg/archive':
+  Var('github_git') + '/brendan-duncan/archive.git' + '@' + '9de7a0544457c6aba755ccb65abb41b0dc1db70d', # 3.1.2
+
+  'src/third_party/pkg/equatable':
+  Var('github_git') + '/felangel/equatable.git' + '@' + '0ba67c72db8bed75877fc1caafa74112ee0bd921', # 2.0.2
+
+  'src/third_party/pkg/file':
+  Var('dart_git') + '/external/github.com/google/file.dart.git' + '@' + 'b2e31cb6ef40b223701dbfa0b907fe58468484d7', # 6.1.4
+
+  'src/third_party/pkg/flutter_packages':
+  Var('github_git') + '/flutter/packages.git' + '@' + '25454e63851fe7933f04d025606e68c1eac4fe0f', # various
+
+  'src/third_party/pkg/gcloud':
+  Var('github_git') + '/dart-lang/gcloud.git' + '@' + 'a5276b85c4714378e84b1fb478b8feeeb686ac26', # 0.8.6-dev
+
+  'src/third_party/pkg/googleapis':
+  Var('github_git') + '/google/googleapis.dart.git' + '@' + '526011f56d98eab183cc6075ee1392e8303e43e2', # various
+
+  'src/third_party/pkg/platform':
+  Var('github_git') + '/google/platform.dart.git' + '@' + '1ffad63428bbd1b3ecaa15926bacfb724023648c', # 3.1.0
+
+  'src/third_party/pkg/process':
+  Var('github_git') + '/google/process.dart.git' + '@' + '0c9aeac86dcc4e3a6cf760b76fed507107e244d5', # 4.2.1
+
+  'src/third_party/pkg/process_runner':
+  Var('github_git') + '/google/process_runner.git' + '@' + 'd632ea0bfd814d779fcc53a361ed33eaf3620a0b', # 4.0.1
+
+  'src/third_party/pkg/quiver':
+  Var('github_git') + '/google/quiver-dart.git' + '@' + '90b92bee895e507d435012356a8b5c5f17eafa52', # 3.2.1
+
+  'src/third_party/pkg/vector_math':
+  Var('dart_git') + '/external/github.com/google/vector_math.dart.git' + '@' + '0a5fd95449083d404df9768bc1b321b88a7d2eef', # 2.1.0
+
+  'src/third_party/imgui':
+  Var('github_git') + '/ocornut/imgui.git' + '@' + '3ea0fad204e994d669f79ed29dcaf61cd5cb571d',
+
+  'src/third_party/tinygltf':
+  Var('github_git') + '/syoyo/tinygltf.git' + '@' + '9bb5806df4055ac973b970ba5b3e27ce27d98148',
+
+  'src/third_party/json':
+  Var('github_git') + '/nlohmann/json.git' + '@' + '17d9eacd248f58b73f4d1be518ef649fe2295642',
+
+  'src/third_party/gradle': {
+    'packages': [
+      {
+        'version': 'version:7.0.2',
+        'package': 'flutter/gradle'
+      }
+    ],
+    'condition': 'download_android_deps',
+    'dep_type': 'cipd'
+  },
+
+  'src/third_party/android_tools/trace_to_text': {
+    'packages': [
+      {
+        # 25.0 downloads for both mac-amd64 and mac-arm64
+        # 26.1 is not found with either platform
+        # 27.1 is the latest release of perfetto
+        'version': 'git_tag:v25.0',
+        'package': 'perfetto/trace_to_text/${{platform}}'
+      }
+    ],
+    'condition': 'download_android_deps',
+    'dep_type': 'cipd'
+  },
+
+   'src/third_party/android_tools/google-java-format': {
+     'packages': [
+       {
+        'package': 'flutter/android/google-java-format',
+        'version': 'version:1.7-1'
+       }
+     ],
+     # We want to be able to format these as part of CI, and the CI step that
+     # checks formatting runs without downloading the rest of the Android build
+     # tooling. Therefore unlike all the other Android-related tools, we want to
+     # download this every time.
+     'dep_type': 'cipd',
+   },
+
+  'src/third_party/android_tools': {
+     'packages': [
+       {
+        'package': 'flutter/android/sdk/all/${{platform}}',
+        'version': 'version:33v6'
+       }
+     ],
+     'condition': 'download_android_deps',
+     'dep_type': 'cipd',
+   },
+
+  'src/third_party/android_embedding_dependencies': {
+     'packages': [
+       {
+        'package': 'flutter/android/embedding_bundle',
+        'version': 'last_updated:2021-11-23T12:31:07-0800'
+       }
+     ],
+     'condition': 'download_android_deps',
+     'dep_type': 'cipd',
+   },
+
+  'src/third_party/web_dependencies': {
+     'packages': [
+       {
+         'package': 'flutter/web/canvaskit_bundle',
+         'version': Var('canvaskit_cipd_instance')
+       }
+     ],
+     'dep_type': 'cipd',
+   },
+
+  'src/third_party/java/openjdk': {
+     'packages': [
+       {
+        'package': 'flutter/java/openjdk/${{platform}}',
+        'version': 'version:11'
+       }
+     ],
+     'condition': 'download_android_deps',
+     'dep_type': 'cipd',
+   },
+
+  'src/flutter/third_party/gn': {
+    'packages': [
+      {
+        'package': 'gn/gn/${{platform}}',
+        'version': 'git_revision:b79031308cc878488202beb99883ec1f2efd9a6d'
+      },
+    ],
+    'dep_type': 'cipd',
+  },
+  'src/flutter/third_party/ninja': {
+    'packages': [
+      {
+        'package': 'infra/3pp/tools/ninja/${{platform}}',
+        'version': 'version:2@1.11.1.chromium.4',
+      }
+    ],
+    'dep_type': 'cipd',
+  },
+
+  'src/buildtools/emsdk': {
+   'url': Var('skia_git') + '/external/github.com/emscripten-core/emsdk.git' + '@' + 'fc645b7626ebf86530dbd82fbece74d457e7ae07',
+   'condition': 'download_emsdk',
+  },
+
+  # Clang on mac and linux are expected to typically be the same revision.
+  # They are separated out so that the autoroller can more easily manage them.
+  'src/buildtools/mac-x64/clang': {
+    'packages': [
+      {
+        'package': 'fuchsia/third_party/clang/mac-amd64',
+        'version': Var('clang_version'),
+      }
+    ],
+    'condition': 'host_os == "mac"', # On ARM64 Macs too because Goma doesn't support the host-arm64 toolchain.
+    'dep_type': 'cipd',
+  },
+
+  'src/buildtools/mac-arm64/clang': {
+    'packages': [
+      {
+        'package': 'fuchsia/third_party/clang/mac-arm64',
+        'version': Var('clang_version'),
+      }
+    ],
+    'condition': 'host_os == "mac" and host_cpu == "arm64"',
+    'dep_type': 'cipd',
+  },
+
+  'src/buildtools/linux-x64/clang': {
+    'packages': [
+      {
+        'package': 'fuchsia/third_party/clang/linux-amd64',
+        'version': Var('clang_version'),
+      }
+    ],
+    'condition': 'host_os == "linux" and host_cpu == "x64"',
+    'dep_type': 'cipd',
+  },
+
+  'src/buildtools/linux-arm64/clang': {
+    'packages': [
+      {
+        'package': 'fuchsia/third_party/clang/linux-arm64',
+        'version': Var('clang_version'),
+      }
+    ],
+    'condition': 'host_os == "linux" and host_cpu == "arm64"',
+    'dep_type': 'cipd',
+  },
+
+  'src/buildtools/windows-x64/clang': {
+    'packages': [
+      {
+        'package': 'fuchsia/third_party/clang/windows-amd64',
+        'version': Var('clang_version'),
+      }
+    ],
+    'condition': 'download_windows_deps',
+    'dep_type': 'cipd',
+  },
+
+   # Get the SDK from https://chrome-infra-packages.appspot.com/p/fuchsia/sdk/core at the 'latest' tag
+   # Get the toolchain from https://chrome-infra-packages.appspot.com/p/fuchsia/clang at the 'goma' tag
+
+   'src/fuchsia/sdk/mac': {
+     'packages': [
+       {
+        'package': 'fuchsia/sdk/core/mac-amd64',
+        'version': 'f16HBH4MJdaKy7HlfDR0naUyEH1SZ0DUJINh2WDEYaYC'
+       }
+     ],
+     'condition': 'host_os == "mac" and not download_fuchsia_sdk',
+     'dep_type': 'cipd',
+   },
+   'src/fuchsia/sdk/linux': {
+     'packages': [
+       {
+        'package': 'fuchsia/sdk/core/linux-amd64',
+        'version': 'rQKj0gZPJNATiErM86LM5BALaHqREfrozRBvIuYO9u0C'
+       }
+     ],
+     'condition': 'host_os == "linux" and not download_fuchsia_sdk',
+     'dep_type': 'cipd',
+   },
+}
+
+recursedeps = [
+  'src/third_party/vulkan-deps',
+]
+
+hooks = [
+  {
+    # Generate the Dart SDK's .dart_tool/package_confg.json file.
+    'name': 'Generate .dart_tool/package_confg.json',
+    'pattern': '.',
+    'action': ['python3', 'src/third_party/dart/tools/generate_package_config.py'],
+  },
+  {
+    # Generate the sdk/version file.
+    'name': 'Generate sdk/version',
+    'pattern': '.',
+    'action': ['python3', 'src/third_party/dart/tools/generate_sdk_version_file.py'],
+  },
+  {
+    # Update the Windows toolchain if necessary.
+    'name': 'win_toolchain',
+    'condition': 'download_windows_deps',
+    'pattern': '.',
+    'action': ['python3', 'src/build/vs_toolchain.py', 'update'],
+  },
+  {
+    # Ensure that we don't accidentally reference any .pyc files whose
+    # corresponding .py files have already been deleted.
+    'name': 'remove_stale_pyc_files',
+    'pattern': 'src/tools/.*\\.py',
+    'action': [
+        'python3',
+        'src/tools/remove_stale_pyc_files.py',
+        'src/tools',
+    ],
+  },
+  {
+    'name': 'dia_dll',
+    'pattern': '.',
+    'condition': 'download_windows_deps',
+    'action': [
+      'python3',
+      'src/flutter/tools/dia_dll.py',
+    ],
+  },
+  {
+    'name': 'linux_sysroot_x64',
+    'pattern': '.',
+    'condition': 'download_linux_deps',
+    'action': [
+      'python3',
+      'src/build/linux/sysroot_scripts/install-sysroot.py',
+      '--arch=x64'],
+  },
+  {
+    'name': 'linux_sysroot_arm64',
+    'pattern': '.',
+    'condition': 'download_linux_deps',
+    'action': [
+      'python3',
+      'src/build/linux/sysroot_scripts/install-sysroot.py',
+      '--arch=arm64'],
+  },
+  {
+    'name': 'pub get --offline',
+    'pattern': '.',
+    'action': [
+      'python3',
+      'src/flutter/tools/pub_get_offline.py',
+    ]
+  },
+  {
+    'name': 'Download Fuchsia SDK',
+    'pattern': '.',
+    'condition': 'download_fuchsia_sdk',
+    'action': [
+      'python3',
+      'src/flutter/tools/download_fuchsia_sdk.py',
+      '--fail-loudly',
+      '--verbose',
+      '--host-os',
+      Var('host_os'),
+      '--fuchsia-sdk-path',
+      Var('fuchsia_sdk_path'),
+    ]
+  },
+  {
+    'name': 'Activate Emscripten SDK',
+    'pattern': '.',
+    'condition': 'download_emsdk',
+    'action': [
+      'python3',
+      'src/flutter/tools/activate_emsdk.py',
+    ]
+  },
+  {
+    'name': 'Setup githooks',
+    'pattern': '.',
+    'condition': 'setup_githooks',
+    'action': [
+      'python3',
+      'src/flutter/tools/githooks/setup.py',
+    ]
+  }
+]