Merge pull request #262789 from hacker1024/feature/flutter-from-source

flutter: Construct SDK from Git repository + `flutter precache`

pkgs/build-support/dart/build-dart-application/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, callPackage, fetchDartDeps, writeText, symlinkJoin, dartHooks, makeWrapper, dart, cacert, nodejs, darwin, jq }:
+{ lib, stdenv, callPackage, fetchDartDeps, runCommand, symlinkJoin, writeText, dartHooks, makeWrapper, dart, cacert, nodejs, darwin, jq }:
 
 { sdkSetupScript ? ""
 , pubGetScript ? "dart pub get"
@@ -37,13 +37,15 @@
 let
   dartDeps = (fetchDartDeps.override {
     dart = symlinkJoin {
-      name = "dart-fod";
-      paths = [ dart ];
-      nativeBuildInputs = [ makeWrapper ];
-      postBuild = ''
-        wrapProgram "$out/bin/dart" \
-          --add-flags "--root-certs-file=${cacert}/etc/ssl/certs/ca-bundle.crt"
-      '';
+      name = "dart-sdk-fod";
+      paths = [
+        (runCommand "dart-fod" { nativeBuildInputs = [ makeWrapper ]; } ''
+          mkdir -p "$out/bin"
+          makeWrapper "${dart}/bin/dart" "$out/bin/dart" \
+            --add-flags "--root-certs-file=${cacert}/etc/ssl/certs/ca-bundle.crt"
+        '')
+        dart
+      ];
     };
   }) {
     buildDrvArgs = args;

pkgs/build-support/dart/fetch-dart-deps/default.nix

@@ -154,15 +154,27 @@ let
       outputHash = if vendorHash != "" then vendorHash else lib.fakeSha256;
     } // (removeAttrs drvArgs [ "name" "pname" ]));
 
-  depsListDrv = stdenvNoCC.mkDerivation ({
-    name = "${name}-dart-deps-list.json";
-    nativeBuildInputs = [ hook dart jq ];
+  mkDepsDrv = args: stdenvNoCC.mkDerivation (args // {
+    nativeBuildInputs = args.nativeBuildInputs or [ ] ++ [ hook dart ];
 
-    configurePhase = ''
+    configurePhase = args.configurePhase or ''
       runHook preConfigure
-      doPubGet dart pub get --offline
+
+      ${sdkSetupScript}
+
+      _pub_get() {
+        ${pubGetScript} --offline
+      }
+      doPubGet _pub_get
+
       runHook postConfigure
     '';
+  } // (removeAttrs buildDrvInheritArgs [ "name" "pname" ]));
+
+  depsListDrv = mkDepsDrv {
+    name = "${name}-dart-deps-list.json";
+
+    nativeBuildInputs = [ jq ];
 
     buildPhase = ''
       runHook preBuild
@@ -171,7 +183,34 @@ let
     '';
 
     dontInstall = true;
-  } // (removeAttrs buildDrvInheritArgs [ "name" "pname" ]));
+  };
+
+  packageConfigDrv = mkDepsDrv {
+    name = "${name}-package-config.json";
+
+    nativeBuildInputs = [ jq ];
+
+    buildPhase = ''
+      runHook preBuild
+
+      # Canonicalise the package_config.json, and replace references to the
+      # reconstructed package cache with the original FOD.
+      #
+      # The reconstructed package cache is not reproducible. The intended
+      # use-case of this derivation is for use with tools that use a
+      # package_config.json to load assets from packages, and not for use with
+      # Pub directly, which requires the setup performed by the hook before
+      # usage.
+      jq -S '
+        .packages[] |= . + { rootUri: .rootUri | gsub("'"$PUB_CACHE"'"; "${hook.deps}/cache/.pub-cache") }
+      | .generated |= "1970-01-01T00:00:00.000Z"
+      ' .dart_tool/package_config.json > $out
+
+      runHook postBuild
+    '';
+
+    dontInstall = true;
+  };
 
   # As of Dart 3.0.0, Pub checks the revision of cached Git-sourced packages.
   # Git must be wrapped to return a positive result, as the real .git directory is wiped
@@ -195,8 +234,10 @@ let
     substitutions = { inherit gitSourceWrapper deps; };
     propagatedBuildInputs = [ dart git ];
     passthru = {
+      inherit deps;
       files = deps.outPath;
       depsListFile = depsListDrv.outPath;
+      packageConfig = packageConfigDrv;
     };
   }) ./setup-hook.sh;
 in

pkgs/build-support/flutter/default.nix

@@ -48,6 +48,8 @@
     flutter config --enable-linux-desktop >/dev/null
   '';
 
+  inherit pubGetScript;
+
   nativeBuildInputs = (args.nativeBuildInputs or [ ]) ++ [ wrapGAppsHook ];
   buildInputs = (args.buildInputs or [ ]) ++ [ glib ];
 

pkgs/development/compilers/flutter/artifacts/fetch-artifacts.nix

@@ -0,0 +1,54 @@
+{ lib
+, runCommand
+, xorg
+, cacert
+, unzip
+
+, platform
+, flutter
+, hash
+}:
+
+let
+  platforms = [
+    "android"
+    "ios"
+    "web"
+    "linux"
+    "windows"
+    "macos"
+    "fuchsia"
+    "universal"
+  ];
+
+  flutter' = flutter.override {
+    # Use a version of Flutter with just enough capabilities to download
+    # artifacts.
+    supportedTargetPlatforms = [ ];
+  };
+in
+runCommand "flutter-artifacts-${platform}"
+{
+  nativeBuildInputs = [ xorg.lndir flutter' unzip ];
+
+  NIX_FLUTTER_TOOLS_VM_OPTIONS = "--root-certs-file=${cacert}/etc/ssl/certs/ca-bundle.crt";
+
+  outputHash = hash;
+  outputHashMode = "recursive";
+  outputHashAlgo = "sha256";
+
+  passthru = {
+    inherit platform;
+  };
+} ''
+  export FLUTTER_ROOT="$NIX_BUILD_TOP"
+  lndir -silent '${flutter'}' "$FLUTTER_ROOT"
+  rm -rf "$FLUTTER_ROOT/bin/cache"
+  mkdir "$FLUTTER_ROOT/bin/cache"
+
+  HOME="$(mktemp -d)" flutter precache -v '--${platform}' ${builtins.concatStringsSep " " (map (p: "'--no-${p}'") (lib.remove platform platforms))}
+  rm -rf "$FLUTTER_ROOT/bin/cache/lockfile"
+  find "$FLUTTER_ROOT" -type l -lname '${flutter'}/*' -delete
+
+  cp -r bin/cache "$out"
+''

pkgs/development/compilers/flutter/artifacts/hashes.nix

@@ -0,0 +1,75 @@
+# NOTICE: When updating these hashes, make sure that no additional platforms
+# have been added to the `flutter precache` CLI. If any have, they may be
+# included in every derivation, unless they are also added to the platform list
+# in fetch-artifacts.nix.
+#
+# The known arguments are as follows:
+# $ flutter precache --help --verbose
+# Usage: flutter precache [arguments]
+# -h, --help                              Print this usage information.
+# -a, --all-platforms                     Precache artifacts for all host platforms.
+# -f, --force                             Force re-downloading of artifacts.
+#     --[no-]android                      Precache artifacts for Android development.
+#     --[no-]android_gen_snapshot         Precache gen_snapshot for Android development.
+#     --[no-]android_maven                Precache Gradle dependencies for Android development.
+#     --[no-]android_internal_build       Precache dependencies for internal Android development.
+#     --[no-]ios                          Precache artifacts for iOS development.
+#     --[no-]web                          Precache artifacts for web development.
+#     --[no-]linux                        Precache artifacts for Linux desktop development.
+#     --[no-]windows                      Precache artifacts for Windows desktop development.
+#     --[no-]macos                        Precache artifacts for macOS desktop development.
+#     --[no-]fuchsia                      Precache artifacts for Fuchsia development.
+#     --[no-]universal                    Precache artifacts required for any development platform.
+#                                         (defaults to on)
+#     --[no-]flutter_runner               Precache the flutter runner artifacts.
+#     --[no-]use-unsigned-mac-binaries    Precache the unsigned macOS binaries when available.
+
+# Schema:
+# ${flutterVersion}.${targetPlatform}.${hostPlatform}
+#
+# aarch64-darwin as a host is not yet supported.
+# https://github.com/flutter/flutter/issues/60118
+{
+  "3.13.8" = {
+    android = {
+      x86_64-linux = "sha256-Uc36aBq8wQo2aEvjAPOoixZElWOE/GNRm2GUfhbwT3Y=";
+      aarch64-linux = "sha256-Uc36aBq8wQo2aEvjAPOoixZElWOE/GNRm2GUfhbwT3Y=";
+      x86_64-darwin = "sha256-v/6/GTj7732fEOIgSaoM00yaw2qNwOMuvbuoCvii7vQ=";
+    };
+    fuchsia = {
+      x86_64-linux = "sha256-eu0BERdz53CkSexbpu3KA7O6Q4g0s9SGD3t1Snsk3Fk=";
+      aarch64-linux = "sha256-eu0BERdz53CkSexbpu3KA7O6Q4g0s9SGD3t1Snsk3Fk=";
+      x86_64-darwin = "sha256-eu0BERdz53CkSexbpu3KA7O6Q4g0s9SGD3t1Snsk3Fk=";
+    };
+    ios = {
+      x86_64-linux = "sha256-QwkeGnutTVsm682CqxRtEd9rKUvN7zlAJcqkvAQYwao=";
+      aarch64-linux = "sha256-QwkeGnutTVsm682CqxRtEd9rKUvN7zlAJcqkvAQYwao=";
+      x86_64-darwin = "sha256-QwkeGnutTVsm682CqxRtEd9rKUvN7zlAJcqkvAQYwao=";
+    };
+    linux = {
+      x86_64-linux = "sha256-0gIOwux3YBdmcXgwICr8dpftj1CauaBUX8Rt5GG0WSs=";
+      aarch64-linux = "sha256-drGHsuJoOCLqrhVrXczqJRCOtpeWVlqdWW0OSMS/l5M=";
+      x86_64-darwin = "sha256-0gIOwux3YBdmcXgwICr8dpftj1CauaBUX8Rt5GG0WSs=";
+    };
+    macos = {
+      x86_64-linux = "sha256-9WqCJQ37mcGc5tzfqQoY5CqHWHGTizjXf9p73bdnNWc=";
+      aarch64-linux = "sha256-9WqCJQ37mcGc5tzfqQoY5CqHWHGTizjXf9p73bdnNWc=";
+      x86_64-darwin = "sha256-9WqCJQ37mcGc5tzfqQoY5CqHWHGTizjXf9p73bdnNWc=";
+    };
+    universal = {
+      x86_64-linux = "sha256-wATt1UPjo/fh7RFO1vvcUAdo0dMAaaOUIuzYodsM0v0=";
+      aarch64-linux = "sha256-Z9bszNaIpCccG7OfvE5WFsw36dITiyCQAZ6p29+Yq68=";
+      x86_64-darwin = "sha256-qN5bAXRfQ78TWF3FLBIxWzUB5y5OrZVQTEilY5J/+2k=";
+    };
+    web = {
+      x86_64-linux = "sha256-DVXJOOFxv7tKt3d0NaYMexkphEcr7+gDFV67I6iAYa0=";
+      aarch64-linux = "sha256-DVXJOOFxv7tKt3d0NaYMexkphEcr7+gDFV67I6iAYa0=";
+      x86_64-darwin = "sha256-DVXJOOFxv7tKt3d0NaYMexkphEcr7+gDFV67I6iAYa0=";
+    };
+    windows = {
+      x86_64-linux = "sha256-s8fJtwQkuZaGXr6vrPiKfpwP/NfewbETwyp9ERGqHYI=";
+      aarch64-linux = "sha256-s8fJtwQkuZaGXr6vrPiKfpwP/NfewbETwyp9ERGqHYI=";
+      x86_64-darwin = "sha256-s8fJtwQkuZaGXr6vrPiKfpwP/NfewbETwyp9ERGqHYI=";
+    };
+  };
+}

pkgs/development/compilers/flutter/artifacts/overrides/linux.nix

@@ -0,0 +1,10 @@
+{ gtk3
+}:
+
+{ buildInputs ? [ ]
+, ...
+}:
+
+{
+  buildInputs = buildInputs ++ [ gtk3 ];
+}

pkgs/development/compilers/flutter/artifacts/prepare-artifacts.nix

@@ -0,0 +1,26 @@
+{ lib
+, stdenv
+, callPackage
+, autoPatchelfHook
+, src
+}:
+
+(stdenv.mkDerivation {
+  inherit (src) name;
+  inherit src;
+
+  nativeBuildInputs = lib.optional stdenv.hostPlatform.isLinux autoPatchelfHook;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p "$out/bin"
+    cp -r . "$out/bin/cache"
+
+    runHook postInstall
+  '';
+}).overrideAttrs (
+  if builtins.pathExists ./overrides/${src.platform}.nix
+  then callPackage ./overrides/${src.platform}.nix { }
+  else ({ ... }: { })
+)

pkgs/development/compilers/flutter/default.nix

@@ -1,14 +1,24 @@
-{ callPackage, fetchzip, dart, lib, stdenv }:
+{ callPackage, fetchzip, fetchFromGitHub, dart, lib, stdenv }:
 let
   mkCustomFlutter = args: callPackage ./flutter.nix args;
   wrapFlutter = flutter: callPackage ./wrapper.nix { inherit flutter; };
   getPatches = dir:
     let files = builtins.attrNames (builtins.readDir dir);
     in map (f: dir + ("/" + f)) files;
-  mkFlutter = { version, engineVersion, dartVersion, flutterHash, dartHash, patches }:
+  mkFlutter =
+    { version
+    , engineVersion
+    , dartVersion
+    , flutterHash
+    , dartHash
+    , patches
+    , pubspecLockFile
+    , vendorHash
+    , depsListFile
+    }:
     let
       args = {
-        inherit version engineVersion patches;
+        inherit version engineVersion patches pubspecLockFile vendorHash depsListFile;
 
         dart = dart.override {
           version = dartVersion;
@@ -31,24 +41,12 @@ let
             };
           };
         };
-        src = {
-          x86_64-linux = fetchzip {
-            url = "https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/flutter_linux_${version}-stable.tar.xz";
-            sha256 = flutterHash.x86_64-linux;
-          };
-          aarch64-linux = fetchzip {
-            url = "https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/flutter_linux_${version}-stable.tar.xz";
-            sha256 = flutterHash.aarch64-linux;
-          };
-          x86_64-darwin = fetchzip {
-            url = "https://storage.googleapis.com/flutter_infra_release/releases/stable/macos/flutter_macos_${version}-stable.zip";
-            sha256 = flutterHash.x86_64-darwin;
-          };
-          aarch64-darwin = fetchzip {
-            url = "https://storage.googleapis.com/flutter_infra_release/releases/stable/macos/flutter_macos_arm64_${version}-stable.zip";
-            sha256 = flutterHash.aarch64-darwin;
-          };
-        }.${stdenv.hostPlatform.system};
+        src = fetchFromGitHub {
+          owner = "flutter";
+          repo = "flutter";
+          rev = version;
+          hash = flutterHash;
+        };
       };
     in
     (mkCustomFlutter args).overrideAttrs (prev: next: {
@@ -57,13 +55,7 @@ let
         buildFlutterApplication = callPackage ../../../build-support/flutter {
           # Package a minimal version of Flutter that only uses Linux desktop release artifacts.
           flutter = (wrapFlutter (mkCustomFlutter args)).override {
-            supportsAndroid = false;
-            includedEngineArtifacts = {
-              common = [ "flutter_patched_sdk_product" ];
-              platform.linux = lib.optionals stdenv.hostPlatform.isLinux
-                (lib.genAttrs ((lib.optional stdenv.hostPlatform.isx86_64 "x64") ++ (lib.optional stdenv.hostPlatform.isAarch64 "arm64"))
-                  (architecture: [ "release" ]));
-            };
+            supportedTargetPlatforms = [ "universal" "linux" ];
           };
         };
       };
@@ -83,12 +75,10 @@ in
       x86_64-darwin = "sha256-BchKowKd6BscVuk/dXibcQzdFkW9//GDfll77mHEI4M=";
       aarch64-darwin = "sha256-9yrx09vYrOTmdqkfJI7mfh7DI1/rg67tPlf82m5+iKI=";
     };
-    flutterHash = rec {
-      x86_64-linux = "sha256-ouI1gjcynSQfPTnfTVXQ4r/NEDdhmzUsKdcALLRiCbg=";
-      aarch64-linux = x86_64-linux;
-      x86_64-darwin = "sha256-k6KNazP/I71zG5mbx3iEtXBJ8EZi9Qq+7PgL/HAJrgE=";
-      aarch64-darwin = "sha256-Duvw8EqrGb3PmBHBH/prZjyij2xJd9sLkNfPRYpC0pQ=";
-    };
+    flutterHash = "sha256-00G030FvZZTsdf9ruFs9jdIHcC5h+xpp4NlmL64qVZA=";
     patches = flutter3Patches;
+    pubspecLockFile = ./lockfiles/stable/pubspec.lock;
+    vendorHash = "sha256-lsFOvvmhszBcFb9XvabpqfL2Ek4wjhmB0OrcWUOURFQ=";
+    depsListFile = ./lockfiles/stable/deps.json;
   };
 }

pkgs/development/compilers/flutter/engine-artifacts/default.nix

@@ -1,243 +0,0 @@
-{ lib
-, stdenv
-, hostPlatform
-, engineVersion
-, fetchurl
-, fetchzip
-, autoPatchelfHook
-, gtk3
-, flutterVersion
-, unzip
-, stdenvNoCC
-}:
-
-let
-  hashes = (import ./hashes.nix).${engineVersion} or
-    (throw "There are no known artifact hashes for Flutter engine version ${engineVersion}.");
-  noticeText = stdenvNoCC.mkDerivation (finalAttrs: {
-    pname = "flutter-notice";
-    version = engineVersion;
-    dontUnpack = true;
-    src = fetchurl {
-      pname = "flutter-sky_engine-LICENSE";
-      version = engineVersion;
-      url = "https://raw.githubusercontent.com/flutter/engine/${engineVersion}/sky/packages/sky_engine/LICENSE";
-      sha256 = hashes.skyNotice;
-    };
-    flutterNotice = fetchurl {
-      pname = "flutter-LICENSE";
-      version = engineVersion;
-      url = "https://raw.githubusercontent.com/flutter/flutter/${flutterVersion}/LICENSE";
-      sha256 = hashes.flutterNotice;
-    };
-    installPhase =
-      ''
-        SRC_TEXT="$(cat $src)"
-        FLUTTER_NOTICE_TEXT="$(cat $flutterNotice)"
-        cat << EOF > $out
-        This artifact is from the Flutter SDK's engine.
-        This file carries third-party notices for its dependencies.
-        See also other files, that have LICENSE in the name, in the artifact directory.
-
-        Appendix 1/2: merged sky_engine LICENSE file (also found at ${finalAttrs.src.url})
-        $SRC_TEXT
-
-        Appendix 2/2: Flutter license (also found at ${finalAttrs.flutterNotice.url})
-        $FLUTTER_NOTICE_TEXT
-        EOF
-      '';
-  });
-  artifacts =
-    {
-      common = {
-        flutter_patched_sdk = { archive = "flutter_patched_sdk.zip"; };
-        flutter_patched_sdk_product = { archive = "flutter_patched_sdk_product.zip"; };
-      };
-      platform = {
-        android =
-          (lib.genAttrs
-            [ "arm" "arm64" "x64" ]
-            (arch:
-              {
-                base = [
-                  { archive = "artifacts.zip"; }
-                ];
-                variants = lib.genAttrs [ "profile" "release" ]
-                  (variant: [
-                    { archive = "artifacts.zip"; }
-                    { subdirectory = true; archive = "${lib.toLower hostPlatform.uname.system}-x64.zip"; }
-                  ]);
-              })) //
-          {
-            "x86" = {
-              base = [
-                { archive = "artifacts.zip"; }
-              ];
-              variants.jit-release = [
-                { archive = "artifacts.zip"; }
-              ];
-            };
-          };
-
-        darwin = {
-          "arm64" = {
-            base = [
-              { archive = "artifacts.zip"; }
-              { archive = "font-subset.zip"; }
-            ];
-            variants = lib.genAttrs [ "profile" "release" ]
-              (variant: [
-                { archive = "artifacts.zip"; }
-              ]);
-          };
-          "x64" = {
-            base = [
-              { archive = "FlutterEmbedder.framework.zip"; }
-              { archive = "FlutterMacOS.framework.zip"; }
-              { archive = "artifacts.zip"; }
-              { archive = "font-subset.zip"; }
-              { archive = "gen_snapshot.zip"; }
-            ];
-            variants.profile = [
-              { archive = "FlutterMacOS.framework.zip"; }
-              { archive = "artifacts.zip"; }
-              { archive = "gen_snapshot.zip"; }
-            ];
-            variants.release = [
-              { archive = "FlutterMacOS.dSYM.zip"; }
-              { archive = "FlutterMacOS.framework.zip"; }
-              { archive = "artifacts.zip"; }
-              { archive = "gen_snapshot.zip"; }
-            ];
-          };
-        };
-
-        ios =
-          (lib.genAttrs
-            [ "" ]
-            (arch:
-              {
-                base = [
-                  { archive = "artifacts.zip"; }
-                ];
-                variants.profile = [
-                  { archive = "artifacts.zip"; }
-                ];
-                variants.release = [
-                  { archive = "artifacts.zip"; }
-                  { archive = "Flutter.dSYM.zip"; }
-                ];
-              }));
-
-        linux = lib.genAttrs
-          [ "arm64" "x64" ]
-          (arch:
-            let
-              linux-flutter-gtk = {
-                archive = "linux-${arch}-flutter-gtk.zip";
-                buildInputs = [ gtk3 ];
-              };
-            in
-            {
-              base = [
-                ({ archive = "artifacts.zip"; } // lib.optionalAttrs (arch == "arm64") {
-                  # For some reason, the arm64 artifacts are missing shader code in Flutter < 3.10.0.
-                  postPatch = ''
-                    if [ ! -d shader_lib ]; then
-                      ln -s ${lib.findSingle
-                        (pkg: lib.getName pkg == "flutter-artifact-linux-x64-artifacts")
-                        (throw "Could not find the x64 artifact archive.")
-                        (throw "Could not find the correct x64 artifact archive.")
-                        artifactDerivations.platform.linux.x64.base
-                      }/shader_lib .
-                    fi
-                  '';
-                })
-                { archive = "font-subset.zip"; }
-                (linux-flutter-gtk // {
-                  # https://github.com/flutter/flutter/commit/9d94a51b607600a39c14470c35c676eb3e30eed6
-                  variant = "debug";
-                })
-              ];
-              variants = lib.genAttrs [ "debug" "profile" "release" ] (variant: [
-                linux-flutter-gtk
-              ]);
-            });
-      };
-    };
-
-  mkArtifactDerivation = { platform ? null, variant ? null, subdirectory ? null, archive, ... }@args:
-    let
-      artifactDirectory = if platform == null then null else "${platform}${lib.optionalString (variant != null) "-${variant}"}";
-      archiveBasename = lib.removeSuffix ".${(lib.last (lib.splitString "." archive))}" archive;
-      overrideUnpackCmd = builtins.elem archive [ "FlutterEmbedder.framework.zip" "FlutterMacOS.framework.zip" ];
-    in
-    stdenv.mkDerivation ({
-      pname = "flutter-artifact${lib.optionalString (platform != null) "-${artifactDirectory}"}-${archiveBasename}";
-      version = engineVersion;
-
-      nativeBuildInputs = [ unzip ]
-        ++ lib.optionals stdenv.hostPlatform.isLinux [ autoPatchelfHook ];
-
-      src =
-        if overrideUnpackCmd then
-          (fetchurl {
-            url = "https://storage.googleapis.com/flutter_infra_release/flutter/${engineVersion}${lib.optionalString (platform != null) "/${artifactDirectory}"}/${archive}";
-            hash = (if artifactDirectory == null then hashes else hashes.${artifactDirectory}).${archive};
-          }) else
-          (fetchzip {
-            url = "https://storage.googleapis.com/flutter_infra_release/flutter/${engineVersion}${lib.optionalString (platform != null) "/${artifactDirectory}"}/${archive}";
-            stripRoot = false;
-            hash = (if artifactDirectory == null then hashes else hashes.${artifactDirectory}).${archive};
-          });
-
-      sourceRoot = if overrideUnpackCmd then "." else null;
-      unpackCmd = if overrideUnpackCmd then "unzip -o $src -d $out" else null;
-
-      installPhase =
-        let
-          destination = "$out/${if subdirectory == true then archiveBasename else if subdirectory != null then subdirectory else "."}";
-        in
-        ''
-          # ship the notice near all artifacts. if the artifact directory is / multiple directories are nested in $src, link it there. If there isn't a directory, link it in root
-          # this *isn't the same as the subdirectory variable above*
-          DIR_CNT="$(echo */ | wc -w)"
-          if [[ "$DIR_CNT" == 0 ]]; then
-            ln -s ${noticeText} LICENSE.README
-          else
-            for dir in */
-            do
-              ln -s ${noticeText} "$dir/LICENSE.README"
-            done
-          fi
-          mkdir -p "${destination}"
-          cp -r . "${destination}"
-        '';
-    } // args);
-
-  artifactDerivations = {
-    common = builtins.mapAttrs (name: mkArtifactDerivation) artifacts.common;
-    platform =
-      builtins.mapAttrs
-        (os: architectures:
-          builtins.mapAttrs
-            (architecture: variants: {
-              base = map
-                (args: mkArtifactDerivation ({
-                  platform = "${os}${lib.optionalString (architecture != "") "-${architecture}"}";
-                } // args))
-                variants.base;
-              variants = builtins.mapAttrs
-                (variant: variantArtifacts: map
-                  (args: mkArtifactDerivation ({
-                    platform = "${os}${lib.optionalString (architecture != "") "-${architecture}"}";
-                    inherit variant;
-                  } // args))
-                  variantArtifacts)
-                variants.variants;
-            })
-            architectures)
-        artifacts.platform;
-  };
-in
-artifactDerivations

pkgs/development/compilers/flutter/engine-artifacts/hashes.nix

@@ -1,118 +0,0 @@
-{
-  "767d8c75e898091b925519803830fc2721658d07" = {
-    skyNotice = "sha256-bJMktK26wC9fVzdhLNcTHqOg5sHRZ535LB5u5dgwjlY=";
-    flutterNotice = "sha256-pZjblLYpD/vhC17PkRBXtqlDNRxyf92p5fKJHWhwCiA=";
-    android-arm = {
-      "artifacts.zip" = "sha256-pnUDY2sUN2r/LrivyNkfTUpQC90GKOI6Ya+0lgIz+c0=";
-    };
-    android-arm-profile = {
-      "artifacts.zip" = "sha256-/kDNI+no4u2Ri/FqqsQEp2iEqifULYGqzz8w0G4pzCM=";
-      "linux-x64.zip" = "sha256-fUfaDJIo1VcdJHcd0jO98Az3OdNQ+JtA5Mp6nQVVU4E=";
-      "darwin-x64.zip" = "sha256-J7vDD5VEsgnWmbI8acM3vQwrnrqcfMaCijiItDfniLY=";
-    };
-    android-arm-release = {
-      "artifacts.zip" = "sha256-tVAFHHG8A8vlgQu6l6ybdfm6OmBf2vrYf3PZByWvs08=";
-      "linux-x64.zip" = "sha256-lrejG7zpUBox9kPvs1uPM/lyR1d/SAc1w+c6kcqghHI=";
-      "darwin-x64.zip" = "sha256-8lKOsqLgbnuoCR87v84dn8V3PRzl1+maWFIHopiGvbc=";
-    };
-    android-arm64 = {
-      "artifacts.zip" = "sha256-rcU2mX0nP1ot+6DU+uxvILUOAuwTPGH23UQ6riBs0d4=";
-    };
-    android-arm64-profile = {
-      "artifacts.zip" = "sha256-x4TEJWi3c6mEPGh+3l4PtRqsg4Tq7mxHtGz+4MqwzPw=";
-      "linux-x64.zip" = "sha256-PsDKOq3DXaNeNtaFtDQJ9JIEESXBHm8XHHpOw2u1cGg=";
-      "darwin-x64.zip" = "sha256-K4W1CEBOlZVsHjuhvKCUZWv45VSohRd23vviaLqMNjQ=";
-    };
-    android-arm64-release = {
-      "artifacts.zip" = "sha256-w+J4sNhYoj44IiHpZ0BkemCYlE9wOTvWL57Y8RCstkI=";
-      "linux-x64.zip" = "sha256-MJsmck27V14/f0IAT6b/R47p8/eCMX9Nn//PEAbEeOY=";
-      "darwin-x64.zip" = "sha256-xXa5GFatJPiwBANqeWUpAdM9gibD4xH85aI6YpJrcpI=";
-    };
-    android-x64 = {
-      "artifacts.zip" = "sha256-doNUwEJkwncHPIf2c8xOZByUU8dmogtWlc6q7n7ElDY=";
-    };
-    android-x64-profile = {
-      "artifacts.zip" = "sha256-N3AjdHdzj4s6v3f3Gf6n/1Xk0W7xFQP70SneCNlj2sk=";
-      "linux-x64.zip" = "sha256-pNn75iZqLwOGO3ZmymmrSasDPMmDWwp9ZWBv9Xti4cU=";
-      "darwin-x64.zip" = "sha256-6O4lA/4wZ91ODUUYHe4HpjvraAEbhHiehBmf3sT37Dc=";
-    };
-    android-x64-release = {
-      "artifacts.zip" = "sha256-odDS/m8fgSA24EYt+W2sEDmOlPO17FZxxomWuYUHmns=";
-      "linux-x64.zip" = "sha256-sVQYmu0KaPADlL59XZc26Ks+TbmaJxRGPiJKlWxUhRA=";
-      "darwin-x64.zip" = "sha256-dep/CmBIDkvqYKQPWMCDTDbFhVvOk6N7JAF8v3dr/P8=";
-    };
-    android-x86 = {
-      "artifacts.zip" = "sha256-MzTFQ0XPtd9OXvKfM98bwpxN/xfEcXox24gn/4aS/Do=";
-    };
-    android-x86-jit-release = {
-      "artifacts.zip" = "sha256-cUsBqJxOOluwnYEFzdtZof8c4Vp1D81HkEEH8aRGLyY=";
-    };
-    darwin-arm64 = {
-      "artifacts.zip" = "sha256-df+rmN0RqLM7MgEKjTcybMY0bFYCB1jsTvaVE1J0BzY=";
-      "font-subset.zip" = "sha256-hJ5fECxN4oZX6E9ivzSDGejNSj56t2SKccbyfozXxps=";
-    };
-    darwin-arm64-profile = {
-      "artifacts.zip" = "sha256-EaXOr998zE4cG5G5FRtsDGt3jjg1GjkRGE/ZDD3Coto=";
-    };
-    darwin-arm64-release = {
-      "artifacts.zip" = "sha256-1XMoM8jDRoUSPMauKD5lsgC25B7Htod8wYouDKSEGJY=";
-    };
-    darwin-x64 = {
-      "FlutterEmbedder.framework.zip" = "sha256-vzvt0pwo1HbIxxym/jn2Y+1+Iqm/Gw2TfymEcuUHIXQ=";
-      "FlutterMacOS.framework.zip" = "sha256-cMTCULaVOKDq8VrqCmZLo0IPBve0GSh0K2yvtdCvX8c=";
-      "artifacts.zip" = "sha256-8BViZUz4b0XurQJM+FCU2toONKmhajabCc66gBUVGgY=";
-      "font-subset.zip" = "sha256-VgqNdUmvTbSedQtJNT+Eq90GWS4hXCDCBDBjno6s1dk=";
-      "gen_snapshot.zip" = "sha256-4O0ZfKt96x8/Jwh8DgBoPFiv84Tqf9tR/f0PVRJlJiQ=";
-    };
-    darwin-x64-profile = {
-      "FlutterMacOS.framework.zip" = "sha256-IrXK0Mjllic3OKaYKKpAE9gPIceTO32hGqgxGR66QmY=";
-      "artifacts.zip" = "sha256-IHllbxwRMrEWA1MI0DRCYYRzYAdQIL8B9b5rZHsOvjc=";
-      "gen_snapshot.zip" = "sha256-bPI6pHrWQR1X7CzytbJA90TYe3cg1yN+9v7JtsCCrbQ=";
-    };
-    darwin-x64-release = {
-      "FlutterMacOS.dSYM.zip" = "sha256-HjU8sLPwvOwO3LP7krpZZW6/t3sN3rX2frFnBp1Kk0I=";
-      "FlutterMacOS.framework.zip" = "sha256-GuTWojZFdSEeOiSYxH8XGSWsxcrkUpnXA61B0NpDa5A=";
-      "artifacts.zip" = "sha256-tQCm1HHrhffNz9a0lNIHXLBqFMbT4QiaibKvRKuuhJ4=";
-      "gen_snapshot.zip" = "sha256-0na+yx0Nxe/FuHVZqhgbRniZLInShoKE3USaJg0829o=";
-    };
-    "flutter_patched_sdk.zip" = "sha256-AVjXLND3nJAaGyBAhytBRUvbkJtwZEcndQSrq+D2c08=";
-    "flutter_patched_sdk_product.zip" = "sha256-31qgieDI897sXtEf8ok2SdFgrlN57bwhT3FUfdofZi0=";
-    ios = {
-      "artifacts.zip" = "sha256-RicBTTBX5aIQwfcolDrKe0MVG9uTp56RYMWgR75AVEw=";
-    };
-    ios-profile = {
-      "artifacts.zip" = "sha256-6EXHvy36K+rRGpjt0GL/DyuOhpAGeaOrZAZvPZuLyys=";
-    };
-    ios-release = {
-      "Flutter.dSYM.zip" = "sha256-zYqlX4QhxnDb9LasMcBcPO/+30LCfVbwC+z+wZiiEqk=";
-      "artifacts.zip" = "sha256-DVpynf2LxU6CPC1BPQbi8OStcIwJKX55rDSWNiJ4KNk=";
-    };
-    linux-arm64 = {
-      "artifacts.zip" = "sha256-djesma+IqQZgGlxQj4Gv6hAkQhQKQp7Gsa1I4hksqNc=";
-      "font-subset.zip" = "sha256-Wo11dks0uhLI2nu+9QJ7aLmvfsPcuqvcmquak4qv5XM=";
-    };
-    linux-arm64-debug = {
-      "linux-arm64-flutter-gtk.zip" = "sha256-6T2Ycxe3GTVnFGfBFfXLZwPklIndQ6hojnCSnMeXJso=";
-    };
-    linux-arm64-profile = {
-      "linux-arm64-flutter-gtk.zip" = "sha256-ycInFHuRu7r+50GsoFR4v/rIRiAQaQ9zFemd2d9AnpQ=";
-    };
-    linux-arm64-release = {
-      "linux-arm64-flutter-gtk.zip" = "sha256-J60MU8pHDVL9DyX5A3YdCRkKXnTgvALhHiEzYiPSSuA=";
-    };
-    linux-x64 = {
-      "artifacts.zip" = "sha256-ZUMRJ0dzaeRQUYy5S7gDLWa3w9CVhNPORN9l+lwxAMs=";
-      "font-subset.zip" = "sha256-pmtHAgIj5tXzUsDrrxB5JwfLDNzMCqouUCOyYN5BOEQ=";
-    };
-    linux-x64-debug = {
-      "linux-x64-flutter-gtk.zip" = "sha256-otmghZAiUlpLYfFaWd18UWlfctKcYsMRBMP78ZyBj/E=";
-    };
-    linux-x64-profile = {
-      "linux-x64-flutter-gtk.zip" = "sha256-bT6xMYlwTB9JOV1790cJqTSEXYstdI4sZCQzFzcpa5s=";
-    };
-    linux-x64-release = {
-      "linux-x64-flutter-gtk.zip" = "sha256-E8Eogr0nD7yaxjuoNhpvF4tTx9N53y3iOkI71Eqx5Ko=";
-    };
-  };
-}
-

pkgs/development/compilers/flutter/flutter-tools.nix

@@ -0,0 +1,51 @@
+{ hostPlatform
+, buildDartApplication
+, git
+, which
+, dart
+, version
+, flutterSrc
+, patches ? [ ]
+, pubspecLockFile
+, vendorHash
+, depsListFile
+}:
+
+buildDartApplication.override { inherit dart; } rec {
+  pname = "flutter-tools";
+  inherit version;
+  dartOutputType = "jit-snapshot";
+
+  src = flutterSrc;
+  sourceRoot = "source/packages/flutter_tools";
+  postUnpack = ''chmod -R u+w "$NIX_BUILD_TOP/source"'';
+
+  inherit patches;
+  # The given patches are made for the entire SDK source tree.
+  prePatch = ''pushd "$NIX_BUILD_TOP/source"'';
+  postPatch = ''popd'';
+
+  # When the JIT snapshot is being built, the application needs to run.
+  # It attempts to generate configuration files, and relies on a few external
+  # tools.
+  nativeBuildInputs = [ git which ];
+  preConfigure = ''
+    export HOME=.
+    export FLUTTER_ROOT="$NIX_BUILD_TOP/source"
+    mkdir -p "$FLUTTER_ROOT/bin/cache"
+    ln -s '${dart}' "$FLUTTER_ROOT/bin/cache/dart-sdk"
+  '';
+
+  dartEntryPoints."flutter_tools.snapshot" = "bin/flutter_tools.dart";
+  dartCompileFlags = [ "--define=NIX_FLUTTER_HOST_PLATFORM=${hostPlatform.system}" ];
+
+  # The Dart wrapper launchers are useless for the Flutter tool - it is designed
+  # to be launched from a snapshot by the SDK.
+  postInstall = ''
+    pushd "$out"
+    rm ${builtins.concatStringsSep " " (builtins.attrNames dartEntryPoints)}
+    popd
+  '';
+
+  inherit pubspecLockFile vendorHash depsListFile;
+}

pkgs/development/compilers/flutter/flutter.nix

@@ -3,23 +3,33 @@
 , patches
 , dart
 , src
+, pubspecLockFile
+, vendorHash
+, depsListFile
 , lib
 , stdenv
+, callPackage
+, makeWrapper
 , darwin
 , git
 , which
 }:
 
 let
+  tools = callPackage ./flutter-tools.nix {
+    inherit dart version;
+    flutterSrc = src;
+    inherit patches;
+    inherit pubspecLockFile vendorHash depsListFile;
+  };
+
   unwrapped =
     stdenv.mkDerivation {
       name = "flutter-${version}-unwrapped";
       inherit src patches version;
 
-      outputs = [ "out" "cache" ];
-
       buildInputs = [ git ];
-      nativeBuildInputs = [ ]
+      nativeBuildInputs = [ makeWrapper ]
         ++ lib.optionals stdenv.hostPlatform.isDarwin [ darwin.DarwinTools ];
 
       preConfigure = ''
@@ -34,46 +44,31 @@ let
       '';
 
       buildPhase = ''
-        export FLUTTER_ROOT="$(pwd)"
-        export FLUTTER_TOOLS_DIR="$FLUTTER_ROOT/packages/flutter_tools"
-        export SCRIPT_PATH="$FLUTTER_TOOLS_DIR/bin/flutter_tools.dart"
+        # The flutter_tools package tries to run many Git commands. In most
+        # cases, unexpected output is handled gracefully, but commands are never
+        # expected to fail completely. A blank repository needs to be created.
+        rm -rf .git # Remove any existing Git directory
+        git init -b nixpkgs
+        GIT_AUTHOR_NAME=Nixpkgs GIT_COMMITTER_NAME=Nixpkgs \
+        GIT_AUTHOR_EMAIL= GIT_COMMITTER_EMAIL= \
+        GIT_AUTHOR_DATE='1/1/1970 00:00:00 +0000' GIT_COMMITTER_DATE='1/1/1970 00:00:00 +0000' \
+          git commit --allow-empty -m "Initial commit"
+        (. '${../../../build-support/fetchgit/deterministic-git}'; make_deterministic_repo .)
 
-        export SNAPSHOT_PATH="$FLUTTER_ROOT/bin/cache/flutter_tools.snapshot"
-        export STAMP_PATH="$FLUTTER_ROOT/bin/cache/flutter_tools.stamp"
+        mkdir -p bin/cache
 
-        export DART_SDK_PATH="${dart}"
+        # Add a flutter_tools artifact stamp, and build a snapshot.
+        # This is the Flutter CLI application.
+        echo "$(git rev-parse HEAD)" > bin/cache/flutter_tools.stamp
+        ln -s '${tools}/share/flutter_tools.snapshot' bin/cache/flutter_tools.snapshot
 
-        # The Flutter tool compilation requires dependencies to be cached, as there is no Internet access.
-        # Dart expects package caches to be mutable, and does not support composing cache directories.
-        # The packages cached during the build therefore cannot be easily used. They are provided through
-        # the derivation's "cache" output, though, in case they are needed.
-        #
-        # Note that non-cached packages will normally be fetched from the Internet when they are needed, so Flutter
-        # will function without an existing package cache as long as it has an Internet connection.
-        export PUB_CACHE="$cache"
+        # Some of flutter_tools's dependencies contain static assets. The
+        # application attempts to read its own package_config.json to find these
+        # assets at runtime.
+        mkdir -p packages/flutter_tools/.dart_tool
+        ln -s '${tools.dartDeps.packageConfig}' packages/flutter_tools/.dart_tool/package_config.json
 
-        if [ -d .pub-preload-cache ]; then
-          ${dart}/bin/dart pub cache preload .pub-preload-cache/*
-        elif [ -d .pub-cache ]; then
-          mv .pub-cache "$PUB_CACHE"
-        else
-          echo 'ERROR: Failed to locate the Dart package cache required to build the Flutter tool.'
-          exit 1
-        fi
-
-        pushd "$FLUTTER_TOOLS_DIR"
-        ${dart}/bin/dart pub get --offline
-        popd
-
-        local revision="$(cd "$FLUTTER_ROOT"; git rev-parse HEAD)"
-        ${dart}/bin/dart --snapshot="$SNAPSHOT_PATH" --packages="$FLUTTER_TOOLS_DIR/.dart_tool/package_config.json" "$SCRIPT_PATH"
-        echo "$revision" > "$STAMP_PATH"
         echo -n "${version}" > version
-
-        # Certain prebuilts should be replaced with Nix-built (or at least Nix-patched) equivalents.
-        rm -r \
-          $FLUTTER_ROOT/bin/cache/dart-sdk \
-          $FLUTTER_ROOT/bin/cache/artifacts/engine
       '';
 
       installPhase = ''
@@ -81,8 +76,19 @@ let
 
         mkdir -p $out
         cp -r . $out
+        rm -rf $out/bin/cache/dart-sdk
         ln -sf ${dart} $out/bin/cache/dart-sdk
 
+        # The regular launchers are designed to download/build/update SDK
+        # components, and are not very useful in Nix.
+        # Replace them with simple links and wrappers.
+        rm "$out/bin"/{dart,flutter}
+        ln -s "$out/bin/cache/dart-sdk/bin/dart" "$out/bin/dart"
+        makeShellWrapper "$out/bin/dart" "$out/bin/flutter" \
+          --set-default FLUTTER_ROOT "$out" \
+          --set FLUTTER_ALREADY_LOCKED true \
+          --add-flags "--disable-dart-dev \$NIX_FLUTTER_TOOLS_VM_OPTIONS $out/bin/cache/flutter_tools.snapshot"
+
         runHook postInstall
       '';
 
@@ -95,13 +101,13 @@ let
         export HOME="$(mktemp -d)"
         $out/bin/flutter config --android-studio-dir $HOME
         $out/bin/flutter config --android-sdk $HOME
-        $out/bin/flutter --version | fgrep -q '${version}'
+        $out/bin/flutter --version | fgrep -q '${builtins.substring 0 10 engineVersion}'
 
         runHook postInstallCheck
       '';
 
       passthru = {
-        inherit dart engineVersion;
+        inherit dart engineVersion tools;
         # The derivation containing the original Flutter SDK files.
         # When other derivations wrap this one, any unmodified files
         # found here should be included as-is, for tooling compatibility.
@@ -116,7 +122,7 @@ let
         '';
         homepage = "https://flutter.dev";
         license = licenses.bsd3;
-        platforms = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+        platforms = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" ];
         maintainers = with maintainers; [ babariviere ericdallo FlafyDev hacker1024 ];
       };
     };

pkgs/development/compilers/flutter/lockfiles/stable/pubspec.lock

@@ -0,0 +1,677 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  _fe_analyzer_shared:
+    dependency: "direct main"
+    description:
+      name: _fe_analyzer_shared
+      sha256: ae92f5d747aee634b87f89d9946000c2de774be1d6ac3e58268224348cd0101a
+      url: "https://pub.dev"
+    source: hosted
+    version: "61.0.0"
+  analyzer:
+    dependency: "direct main"
+    description:
+      name: analyzer
+      sha256: ea3d8652bda62982addfd92fdc2d0214e5f82e43325104990d4f4c4a2a313562
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.13.0"
+  archive:
+    dependency: "direct main"
+    description:
+      name: archive
+      sha256: "80e5141fafcb3361653ce308776cfd7d45e6e9fbb429e14eec571382c0c5fecb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.3.2"
+  args:
+    dependency: "direct main"
+    description:
+      name: args
+      sha256: eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
+  async:
+    dependency: "direct main"
+    description:
+      name: async
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.11.0"
+  boolean_selector:
+    dependency: "direct main"
+    description:
+      name: boolean_selector
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  browser_launcher:
+    dependency: "direct main"
+    description:
+      name: browser_launcher
+      sha256: "6ee4c6b1f68a42e769ef6e663c4f56708522f7bce9d2ab6e308a37b612ffa4ec"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  built_collection:
+    dependency: "direct main"
+    description:
+      name: built_collection
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: "direct main"
+    description:
+      name: built_value
+      sha256: "598a2a682e2a7a90f08ba39c0aaa9374c5112340f0a2e275f61b59389543d166"
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.6.1"
+  checked_yaml:
+    dependency: "direct dev"
+    description:
+      name: checked_yaml
+      sha256: feb6bed21949061731a7a75fc5d2aa727cf160b91af9a3e464c5e3a32e28b5ff
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.3"
+  clock:
+    dependency: "direct main"
+    description:
+      name: clock
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  collection:
+    dependency: "direct dev"
+    description:
+      name: collection
+      sha256: f092b211a4319e98e5ff58223576de6c2803db36221657b46c82574721240687
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.17.2"
+  completion:
+    dependency: "direct main"
+    description:
+      name: completion
+      sha256: f11b7a628e6c42b9edc9b0bc3aa490e2d930397546d2f794e8e1325909d11c60
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
+  convert:
+    dependency: "direct main"
+    description:
+      name: convert
+      sha256: "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
+  coverage:
+    dependency: "direct main"
+    description:
+      name: coverage
+      sha256: "2fb815080e44a09b85e0f2ca8a820b15053982b2e714b59267719e8a9ff17097"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.6.3"
+  crypto:
+    dependency: "direct main"
+    description:
+      name: crypto
+      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.3"
+  csslib:
+    dependency: "direct main"
+    description:
+      name: csslib
+      sha256: "706b5707578e0c1b4b7550f64078f0a0f19dec3f50a178ffae7006b0a9ca58fb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  dap:
+    dependency: "direct main"
+    description:
+      name: dap
+      sha256: "2120d4a8cbad45e5dbd518b713e8f064274e0a4c0e3edcaef1f4cf9ccbc90cd9"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  dds:
+    dependency: "direct main"
+    description:
+      name: dds
+      sha256: "397c3c80919ee187b2efc28205af3c0378b6b757ea6d059083dece145a2e31e9"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.9.0+hotfix"
+  dds_service_extensions:
+    dependency: "direct main"
+    description:
+      name: dds_service_extensions
+      sha256: "9ac669bef49a4c13ed62073685089be121200fb213800ec59c202e90d569ea44"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.0"
+  devtools_shared:
+    dependency: "direct main"
+    description:
+      name: devtools_shared
+      sha256: ad58ac3a5df41adf08d0d6f0a4d73349533edcc383ee93a30ac3d0fd0bb6df49
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.24.0"
+  dwds:
+    dependency: "direct main"
+    description:
+      name: dwds
+      sha256: b6dad73ae56f00bff7647f531b9db018005f713328e816e7a277b544184e9170
+      url: "https://pub.dev"
+    source: hosted
+    version: "19.0.1+1"
+  fake_async:
+    dependency: "direct main"
+    description:
+      name: fake_async
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.1"
+  file:
+    dependency: "direct main"
+    description:
+      name: file
+      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.4"
+  file_testing:
+    dependency: "direct dev"
+    description:
+      name: file_testing
+      sha256: "0aaadb4025bd350403f4308ad6c4cea953278d9407814b8342558e4946840fb5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.0"
+  fixnum:
+    dependency: "direct main"
+    description:
+      name: fixnum
+      sha256: "25517a4deb0c03aa0f32fd12db525856438902d9c16536311e76cdc57b31d7d1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  flutter_template_images:
+    dependency: "direct main"
+    description:
+      name: flutter_template_images
+      sha256: fd3e55af73c577b9e3f88d4080d3e366cb5c8ef3fbd50b94dfeca56bb0235df6
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.0"
+  frontend_server_client:
+    dependency: "direct main"
+    description:
+      name: frontend_server_client
+      sha256: "408e3ca148b31c20282ad6f37ebfa6f4bdc8fede5b74bc2f08d9d92b55db3612"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.0"
+  glob:
+    dependency: "direct main"
+    description:
+      name: glob
+      sha256: "0e7014b3b7d4dac1ca4d6114f82bf1782ee86745b9b42a92c9289c23d8a0ab63"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  html:
+    dependency: "direct main"
+    description:
+      name: html
+      sha256: "3a7812d5bcd2894edf53dfaf8cd640876cf6cef50a8f238745c8b8120ea74d3a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.15.4"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      sha256: "5895291c13fa8a3bd82e76d5627f69e0d85ca6a30dcac95c4ea19a5d555879c2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.13.6"
+  http_multi_server:
+    dependency: "direct main"
+    description:
+      name: http_multi_server
+      sha256: "97486f20f9c2f7be8f514851703d0119c3596d14ea63227af6f7a481ef2b2f8b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
+  http_parser:
+    dependency: "direct main"
+    description:
+      name: http_parser
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
+  intl:
+    dependency: "direct main"
+    description:
+      name: intl
+      sha256: "3bc132a9dbce73a7e4a21a17d06e1878839ffbf975568bc875c60537824b0c4d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.18.1"
+  io:
+    dependency: "direct main"
+    description:
+      name: io
+      sha256: "2ec25704aba361659e10e3e5f5d672068d332fc8ac516421d483a11e5cbd061e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  js:
+    dependency: "direct main"
+    description:
+      name: js
+      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.7"
+  json_annotation:
+    dependency: "direct dev"
+    description:
+      name: json_annotation
+      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.8.1"
+  json_rpc_2:
+    dependency: "direct main"
+    description:
+      name: json_rpc_2
+      sha256: "5e469bffa23899edacb7b22787780068d650b106a21c76db3c49218ab7ca447e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
+  logging:
+    dependency: "direct main"
+    description:
+      name: logging
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
+  matcher:
+    dependency: "direct main"
+    description:
+      name: matcher
+      sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.16"
+  meta:
+    dependency: "direct main"
+    description:
+      name: meta
+      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.1"
+  mime:
+    dependency: "direct main"
+    description:
+      name: mime
+      sha256: e4ff8e8564c03f255408decd16e7899da1733852a9110a58fe6d1b817684a63e
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  multicast_dns:
+    dependency: "direct main"
+    description:
+      name: multicast_dns
+      sha256: "80e54aba906a7cc68fdc6a201e76b135af27155e2f8e958181d85e2b73786591"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.2+3"
+  mustache_template:
+    dependency: "direct main"
+    description:
+      name: mustache_template
+      sha256: a46e26f91445bfb0b60519be280555b06792460b27b19e2b19ad5b9740df5d1c
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  native_stack_traces:
+    dependency: "direct main"
+    description:
+      name: native_stack_traces
+      sha256: c797830b9910d13b0f4e70ddef15cde034214fe3bdb8092c4ea5ffad2f74013f
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.6"
+  node_preamble:
+    dependency: "direct dev"
+    description:
+      name: node_preamble
+      sha256: "6e7eac89047ab8a8d26cf16127b5ed26de65209847630400f9aefd7cd5c730db"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.2"
+  package_config:
+    dependency: "direct main"
+    description:
+      name: package_config
+      sha256: "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
+  path:
+    dependency: "direct main"
+    description:
+      name: path
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.8.3"
+  petitparser:
+    dependency: "direct main"
+    description:
+      name: petitparser
+      sha256: cb3798bef7fc021ac45b308f4b51208a152792445cce0448c9a4ba5879dd8750
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.4.0"
+  platform:
+    dependency: "direct main"
+    description:
+      name: platform
+      sha256: "4a451831508d7d6ca779f7ac6e212b4023dd5a7d08a27a63da33756410e32b76"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
+  pool:
+    dependency: "direct main"
+    description:
+      name: pool
+      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.1"
+  process:
+    dependency: "direct main"
+    description:
+      name: process
+      sha256: "53fd8db9cec1d37b0574e12f07520d582019cb6c44abf5479a01505099a34a09"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.4"
+  pub_semver:
+    dependency: "direct main"
+    description:
+      name: pub_semver
+      sha256: "40d3ab1bbd474c4c2328c91e3a7df8c6dd629b79ece4c4bd04bee496a224fb0c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  pubspec_parse:
+    dependency: "direct dev"
+    description:
+      name: pubspec_parse
+      sha256: c63b2876e58e194e4b0828fcb080ad0e06d051cb607a6be51a9e084f47cb9367
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.3"
+  shelf:
+    dependency: "direct main"
+    description:
+      name: shelf
+      sha256: ad29c505aee705f41a4d8963641f91ac4cee3c8fad5947e033390a7bd8180fa4
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  shelf_packages_handler:
+    dependency: "direct main"
+    description:
+      name: shelf_packages_handler
+      sha256: "89f967eca29607c933ba9571d838be31d67f53f6e4ee15147d5dc2934fee1b1e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
+  shelf_proxy:
+    dependency: "direct main"
+    description:
+      name: shelf_proxy
+      sha256: a71d2307f4393211930c590c3d2c00630f6c5a7a77edc1ef6436dfd85a6a7ee3
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  shelf_static:
+    dependency: "direct main"
+    description:
+      name: shelf_static
+      sha256: a41d3f53c4adf0f57480578c1d61d90342cd617de7fc8077b1304643c2d85c1e
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.2"
+  shelf_web_socket:
+    dependency: "direct main"
+    description:
+      name: shelf_web_socket
+      sha256: "9ca081be41c60190ebcb4766b2486a7d50261db7bd0f5d9615f2d653637a84c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  source_map_stack_trace:
+    dependency: "direct main"
+    description:
+      name: source_map_stack_trace
+      sha256: "84cf769ad83aa6bb61e0aa5a18e53aea683395f196a6f39c4c881fb90ed4f7ae"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  source_maps:
+    dependency: "direct main"
+    description:
+      name: source_maps
+      sha256: "708b3f6b97248e5781f493b765c3337db11c5d2c81c3094f10904bfa8004c703"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.10.12"
+  source_span:
+    dependency: "direct main"
+    description:
+      name: source_span
+      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.10.0"
+  sse:
+    dependency: "direct main"
+    description:
+      name: sse
+      sha256: "3ff9088cac3f45aa8b91336f1962e3ea6c81baaba0bbba361c05f8aa7fb59442"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.2"
+  stack_trace:
+    dependency: "direct main"
+    description:
+      name: stack_trace
+      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.11.0"
+  standard_message_codec:
+    dependency: "direct main"
+    description:
+      name: standard_message_codec
+      sha256: "906e66549f0ea90d87c5320e0b0f04738c5d14bc7fb121a15da31b60e84f5b15"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.0.1+3"
+  stream_channel:
+    dependency: "direct main"
+    description:
+      name: stream_channel
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  string_scanner:
+    dependency: "direct main"
+    description:
+      name: string_scanner
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
+  sync_http:
+    dependency: "direct main"
+    description:
+      name: sync_http
+      sha256: "7f0cd72eca000d2e026bcd6f990b81d0ca06022ef4e32fb257b30d3d1014a961"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.1"
+  term_glyph:
+    dependency: "direct main"
+    description:
+      name: term_glyph
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
+  test:
+    dependency: "direct dev"
+    description:
+      name: test
+      sha256: "13b41f318e2a5751c3169137103b60c584297353d4b1761b66029bae6411fe46"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.24.3"
+  test_api:
+    dependency: "direct main"
+    description:
+      name: test_api
+      sha256: "75760ffd7786fffdfb9597c35c5b27eaeec82be8edfb6d71d32651128ed7aab8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.0"
+  test_core:
+    dependency: "direct main"
+    description:
+      name: test_core
+      sha256: "99806e9e6d95c7b059b7a0fc08f07fc53fabe54a829497f0d9676299f1e8637e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.3"
+  typed_data:
+    dependency: "direct main"
+    description:
+      name: typed_data
+      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.2"
+  unified_analytics:
+    dependency: "direct main"
+    description:
+      name: unified_analytics
+      sha256: "4f9f29e5fd357d68fce270e37c7ad9bb489ee20098529199d6bc786b2b624298"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  usage:
+    dependency: "direct main"
+    description:
+      name: usage
+      sha256: "0bdbde65a6e710343d02a56552eeaefd20b735e04bfb6b3ee025b6b22e8d0e15"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.1"
+  uuid:
+    dependency: "direct main"
+    description:
+      name: uuid
+      sha256: "648e103079f7c64a36dc7d39369cabb358d377078a051d6ae2ad3aa539519313"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.7"
+  vm_service:
+    dependency: "direct main"
+    description:
+      name: vm_service
+      sha256: c620a6f783fa22436da68e42db7ebbf18b8c44b9a46ab911f666ff09ffd9153f
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.7.1"
+  vm_snapshot_analysis:
+    dependency: "direct main"
+    description:
+      name: vm_snapshot_analysis
+      sha256: "5a79b9fbb6be2555090f55b03b23907e75d44c3fd7bdd88da09848aa5a1914c8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.6"
+  watcher:
+    dependency: "direct main"
+    description:
+      name: watcher
+      sha256: "3d2ad6751b3c16cf07c7fca317a1413b3f26530319181b37e3b9039b84fc01d8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  web_socket_channel:
+    dependency: "direct main"
+    description:
+      name: web_socket_channel
+      sha256: d88238e5eac9a42bb43ca4e721edba3c08c6354d4a53063afaa568516217621b
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.0"
+  webdriver:
+    dependency: "direct main"
+    description:
+      name: webdriver
+      sha256: "3c923e918918feeb90c4c9fdf1fe39220fa4c0e8e2c0fffaded174498ef86c49"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
+  webkit_inspection_protocol:
+    dependency: "direct main"
+    description:
+      name: webkit_inspection_protocol
+      sha256: "67d3a8b6c79e1987d19d848b0892e582dbb0c66c57cc1fef58a177dd2aa2823d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
+  xml:
+    dependency: "direct main"
+    description:
+      name: xml
+      sha256: "5bc72e1e45e941d825fd7468b9b4cc3b9327942649aeb6fc5cdbf135f0a86e84"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.0"
+  yaml:
+    dependency: "direct main"
+    description:
+      name: yaml
+      sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.2"
+sdks:
+  dart: ">=3.0.0 <4.0.0"

pkgs/development/compilers/flutter/patches/flutter3/deregister-pub-dependencies-artifact.patch

@@ -0,0 +1,19 @@
+diff --git a/packages/flutter_tools/lib/src/flutter_cache.dart b/packages/flutter_tools/lib/src/flutter_cache.dart
+index 252021cf78..e50ef0885d 100644
+--- a/packages/flutter_tools/lib/src/flutter_cache.dart
++++ b/packages/flutter_tools/lib/src/flutter_cache.dart
+@@ -51,14 +51,6 @@ class FlutterCache extends Cache {
+       registerArtifact(IosUsbArtifacts(artifactName, this, platform: platform));
+     }
+     registerArtifact(FontSubsetArtifacts(this, platform: platform));
+-    registerArtifact(PubDependencies(
+-      logger: logger,
+-      // flutter root and pub must be lazily initialized to avoid accessing
+-      // before the version is determined.
+-      flutterRoot: () => Cache.flutterRoot!,
+-      pub: () => pub,
+-      projectFactory: projectFactory,
+-    ));
+   }
+ }
+ 

pkgs/development/compilers/flutter/patches/flutter3/disable-auto-update.patch

@@ -11,18 +11,19 @@ index 3532c23114..25dfcae4c7 100644
    BIN_NAME="$(basename "$PROG_NAME")"
    case "$BIN_NAME" in
      flutter*)
-diff --git a/packages/flutter_tools/lib/src/cache.dart b/packages/flutter_tools/lib/src/cache.dart
-index 13efbde879..467b3a7cbf 100644
---- a/packages/flutter_tools/lib/src/cache.dart
-+++ b/packages/flutter_tools/lib/src/cache.dart
-@@ -664,6 +664,7 @@ class Cache {
+diff --git a/packages/flutter_tools/lib/src/runner/flutter_command.dart b/packages/flutter_tools/lib/src/runner/flutter_command.dart
+index b7e624b4e2..edfdde118b 100644
+--- a/packages/flutter_tools/lib/src/runner/flutter_command.dart
++++ b/packages/flutter_tools/lib/src/runner/flutter_command.dart
+@@ -1554,7 +1554,7 @@ Run 'flutter -h' (or 'flutter <command> -h') for available flutter commands and
  
-   /// Update the cache to contain all `requiredArtifacts`.
-   Future<void> updateAll(Set<DevelopmentArtifact> requiredArtifacts, {bool offline = false}) async {
-+    return;
-     if (!_lockEnabled) {
-       return;
-     }
+     // Populate the cache. We call this before pub get below so that the
+     // sky_engine package is available in the flutter cache for pub to find.
+-    if (shouldUpdateCache) {
++    if (false) {
+       // First always update universal artifacts, as some of these (e.g.
+       // ios-deploy on macOS) are required to determine `requiredArtifacts`.
+       final bool offline;
 diff --git a/packages/flutter_tools/lib/src/runner/flutter_command_runner.dart b/packages/flutter_tools/lib/src/runner/flutter_command_runner.dart
 index 5d6d78639f..90a4dfa555 100644
 --- a/packages/flutter_tools/lib/src/runner/flutter_command_runner.dart

pkgs/development/compilers/flutter/patches/flutter3/move-cache.patch

@@ -1,53 +0,0 @@
-diff --git a/packages/flutter_tools/lib/src/cache.dart b/packages/flutter_tools/lib/src/cache.dart
-index dd80b1e46e..8e54517765 100644
---- a/packages/flutter_tools/lib/src/cache.dart
-+++ b/packages/flutter_tools/lib/src/cache.dart
-@@ -22,6 +22,7 @@ import 'base/user_messages.dart';
- import 'build_info.dart';
- import 'convert.dart';
- import 'features.dart';
-+import 'globals.dart' as globals;
- 
- const String kFlutterRootEnvironmentVariableName = 'FLUTTER_ROOT'; // should point to //flutter/ (root of flutter/flutter repo)
- const String kFlutterEngineEnvironmentVariableName = 'FLUTTER_ENGINE'; // should point to //engine/src/ (root of flutter/engine repo)
-@@ -318,8 +319,13 @@ class Cache {
-       return;
-     }
-     assert(_lock == null);
-+    final Directory dir = _fileSystem.directory(_fileSystem.path.join(globals.fsUtils.homeDirPath!, '.cache', 'flutter'));
-+    if (!dir.existsSync()) {
-+      dir.createSync(recursive: true);
-+      globals.os.chmod(dir, '755');
-+    }
-     final File lockFile =
--      _fileSystem.file(_fileSystem.path.join(flutterRoot!, 'bin', 'cache', 'lockfile'));
-+      _fileSystem.file(_fileSystem.path.join(globals.fsUtils.homeDirPath!, '.cache', 'flutter', 'lockfile'));
-     try {
-       _lock = lockFile.openSync(mode: FileMode.write);
-     } on FileSystemException catch (e) {
-@@ -378,8 +384,7 @@ class Cache {
- 
-   String get devToolsVersion {
-     if (_devToolsVersion == null) {
--      const String devToolsDirPath = 'dart-sdk/bin/resources/devtools';
--      final Directory devToolsDir = getCacheDir(devToolsDirPath, shouldCreate: false);
-+      final Directory devToolsDir = _fileSystem.directory(_fileSystem.path.join(flutterRoot!, 'bin/cache/dart-sdk/bin/resources/devtools'));
-       if (!devToolsDir.existsSync()) {
-         throw Exception('Could not find directory at ${devToolsDir.path}');
-       }
-diff --git a/packages/flutter_tools/lib/src/cache.dart b/packages/flutter_tools/lib/src/cache.dart
-index 1c31c1b5db..76c7210d3b 100644
---- a/packages/flutter_tools/lib/src/cache.dart
-+++ b/packages/flutter_tools/lib/src/cache.dart
-@@ -529,6 +529,11 @@ class Cache {
- 
-   /// Return the top-level directory in the cache; this is `bin/cache`.
-   Directory getRoot() {
-+    const Platform platform = LocalPlatform();
-+    if (platform.environment.containsKey('FLUTTER_CACHE_DIR')) {
-+      return _fileSystem.directory(platform.environment['FLUTTER_CACHE_DIR']);
-+    }
-+
-     if (_rootOverride != null) {
-       return _fileSystem.directory(_fileSystem.path.join(_rootOverride!.path, 'bin', 'cache'));
-     } else {

pkgs/development/compilers/flutter/patches/flutter3/override-host-platform.patch

@@ -0,0 +1,21 @@
+diff --git a/packages/flutter_tools/lib/src/base/os.dart b/packages/flutter_tools/lib/src/base/os.dart
+index 1ce1951cef..1bd7602318 100644
+--- a/packages/flutter_tools/lib/src/base/os.dart
++++ b/packages/flutter_tools/lib/src/base/os.dart
+@@ -260,7 +260,15 @@ class _PosixUtils extends OperatingSystemUtils {
+   @override
+   String get pathVarSeparator => ':';
+ 
+-  HostPlatform? _hostPlatform;
++  // uname outputs build platform characteristics, not host platform characteristics.
++  // _MacOSUtils uses sysctl instead, which is still incorrect.
++  HostPlatform? _hostPlatform = switch (const String.fromEnvironment('NIX_FLUTTER_HOST_PLATFORM')) {
++    'x86_64-linux' => HostPlatform.linux_x64,
++    'aarch64-linux' => HostPlatform.linux_arm64,
++    'x86_64-darwin' => HostPlatform.darwin_x64,
++    'arm64-darwin' => HostPlatform.darwin_arm64,
++    String value => throw ArgumentError.value(value, 'NIX_FLUTTER_HOST_PLATFORM', 'Unknown Nix host platform!'),
++  };
+ 
+   @override
+   HostPlatform get hostPlatform {

pkgs/development/compilers/flutter/sdk-symlink.nix

@@ -1,10 +1,23 @@
-{ symlinkJoin }: flutter:
+{ symlinkJoin
+, makeWrapper
+}: flutter:
 
 let
   self =
     symlinkJoin {
       name = "${flutter.name}-sdk-links";
-      paths = [ flutter flutter.sdk ];
+      paths = [ flutter flutter.cacheDir flutter.sdk ];
+
+      nativeBuildInputs = [ makeWrapper ];
+      postBuild = ''
+        wrapProgram "$out/bin/flutter" \
+          --set-default FLUTTER_ROOT "$out"
+
+        # symlinkJoin seems to be missing the .git directory for some reason.
+        if [ -d '${flutter.sdk}/.git' ]; then
+          ln -s '${flutter.sdk}/.git' "$out"
+        fi
+      '';
 
       passthru = flutter.passthru // {
         # Update the SDK attribute.

pkgs/development/compilers/flutter/wrapper.nix

@@ -3,27 +3,14 @@
 , darwin
 , callPackage
 , flutter
-, supportsLinuxDesktop ? stdenv.hostPlatform.isLinux
-, supportsAndroid ? (stdenv.hostPlatform.isx86_64 || stdenv.hostPlatform.isDarwin)
-, supportsDarwin ? stdenv.hostPlatform.isDarwin
-, supportsIOS ? stdenv.hostPlatform.isDarwin
-, includedEngineArtifacts ? {
-    common = [
-      "flutter_patched_sdk"
-      "flutter_patched_sdk_product"
-    ];
-    platform = {
-      android = lib.optionalAttrs supportsAndroid
-        ((lib.genAttrs [ "arm" "arm64" "x64" ] (architecture: [ "profile" "release" ])) // { x86 = [ "jit-release" ]; });
-      darwin = lib.optionalAttrs supportsDarwin
-        ((lib.genAttrs [ "arm64" "x64" ] (architecture: [ "profile" "release" ])));
-      ios = lib.optionalAttrs supportsIOS
-        ((lib.genAttrs [ "" ] (architecture: [ "profile" "release" ])));
-      linux = lib.optionalAttrs supportsLinuxDesktop
-        (lib.genAttrs ((lib.optional stdenv.hostPlatform.isx86_64 "x64") ++ (lib.optional stdenv.hostPlatform.isAarch64 "arm64"))
-          (architecture: [ "debug" "profile" "release" ]));
-    };
-  }
+, supportedTargetPlatforms ? [
+    "universal"
+    "web"
+  ]
+  ++ lib.optional stdenv.hostPlatform.isLinux "linux"
+  ++ lib.optional (stdenv.hostPlatform.isx86_64 || stdenv.hostPlatform.isDarwin) "android"
+  ++ lib.optionals stdenv.hostPlatform.isDarwin [ "macos" "ios" ]
+, artifactHashes ? (import ./artifacts/hashes.nix).${flutter.version}
 , extraPkgConfigPackages ? [ ]
 , extraLibraries ? [ ]
 , extraIncludes ? [ ]
@@ -57,70 +44,31 @@
 }:
 
 let
-  engineArtifacts = callPackage ./engine-artifacts {
-    inherit (flutter) engineVersion;
-    flutterVersion = flutter.version;
-  };
-  mkCommonArtifactLinkCommand = { artifact }:
-    ''
-      mkdir -p $out/artifacts/engine/common
-      lndir -silent ${artifact} $out/artifacts/engine/common
-    '';
-  mkPlatformArtifactLinkCommand = { artifact, os, architecture, variant ? null }:
-    let
-      artifactDirectory = "${os}-${architecture}${lib.optionalString (variant != null) "-${variant}"}";
-    in
-    ''
-      mkdir -p $out/artifacts/engine/${artifactDirectory}
-      lndir -silent ${artifact} $out/artifacts/engine/${artifactDirectory}
-    '';
-  engineArtifactDirectory =
-    runCommandLocal "flutter-engine-artifacts-${flutter.version}" { nativeBuildInputs = [ lndir ]; }
-      (
-        builtins.concatStringsSep "\n"
-          ((map
-            (name: mkCommonArtifactLinkCommand {
-              artifact = engineArtifacts.common.${name};
-            })
-            (includedEngineArtifacts.common or [ ])) ++
-          (builtins.foldl'
-            (commands: os: commands ++
-              (builtins.foldl'
-                (commands: architecture: commands ++
-                  (builtins.foldl'
-                    (commands: variant: commands ++
-                      (map
-                        (artifact: mkPlatformArtifactLinkCommand {
-                          inherit artifact os architecture variant;
-                        })
-                        engineArtifacts.platform.${os}.${architecture}.variants.${variant}))
-                    (map
-                      (artifact: mkPlatformArtifactLinkCommand {
-                        inherit artifact os architecture;
-                      })
-                      engineArtifacts.platform.${os}.${architecture}.base)
-                    includedEngineArtifacts.platform.${os}.${architecture}))
-                [ ]
-                (builtins.attrNames includedEngineArtifacts.platform.${os})))
-            [ ]
-            (builtins.attrNames (includedEngineArtifacts.platform or { }))))
-      );
+  supportsLinuxDesktopTarget = builtins.elem "linux" supportedTargetPlatforms;
 
-  cacheDir = symlinkJoin {
+  platformArtifacts = lib.genAttrs supportedTargetPlatforms (platform:
+    (callPackage ./artifacts/prepare-artifacts.nix {
+      src = callPackage ./artifacts/fetch-artifacts.nix {
+        inherit platform;
+        flutter = callPackage ./wrapper.nix { inherit flutter; };
+        hash = artifactHashes.${platform}.${stdenv.hostPlatform.system} or "";
+      };
+    }));
+
+  cacheDir = symlinkJoin rec {
     name = "flutter-cache-dir";
-    paths = [
-      engineArtifactDirectory
-      "${flutter}/bin/cache"
-    ];
+    paths = builtins.attrValues platformArtifacts;
+    postBuild = ''
+      mkdir -p "$out/bin/cache"
+      ln -s '${flutter}/bin/cache/dart-sdk' "$out/bin/cache"
+    '';
+    passthru.platform = platformArtifacts;
   };
 
   # By default, Flutter stores downloaded files (such as the Pub cache) in the SDK directory.
   # Wrap it to ensure that it does not do that, preferring home directories instead.
-  # The sh file `$out/bin/internal/shared.sh` runs when launching Flutter and calls `"$FLUTTER_ROOT/bin/cache/` instead of our environment variable `FLUTTER_CACHE_DIR`.
-  # We do not patch it since the script doesn't require engine artifacts(which are the only thing not added by the unwrapped derivation), so it shouldn't fail, and patching it will just be harder to maintain.
   immutableFlutter = writeShellScript "flutter_immutable" ''
     export PUB_CACHE=''${PUB_CACHE:-"$HOME/.pub-cache"}
-    export FLUTTER_CACHE_DIR=${cacheDir}
     ${flutter}/bin/flutter "$@"
   '';
 
@@ -128,7 +76,7 @@ let
   tools = [ git which ];
 
   # Libraries that Flutter apps depend on at runtime.
-  appRuntimeDeps = lib.optionals supportsLinuxDesktop [
+  appRuntimeDeps = lib.optionals supportsLinuxDesktopTarget [
     atk
     cairo
     gdk-pixbuf
@@ -152,10 +100,10 @@ let
 
   # Some header files and libraries are not properly located by the Flutter SDK.
   # They must be manually included.
-  appStaticBuildDeps = (lib.optionals supportsLinuxDesktop [ libX11 xorgproto zlib ]) ++ extraLibraries;
+  appStaticBuildDeps = (lib.optionals supportsLinuxDesktopTarget [ libX11 xorgproto zlib ]) ++ extraLibraries;
 
   # Tools used by the Flutter SDK to compile applications.
-  buildTools = lib.optionals supportsLinuxDesktop [
+  buildTools = lib.optionals supportsLinuxDesktopTarget [
     pkg-config
     cmake
     ninja
@@ -174,12 +122,12 @@ in
 
   nativeBuildInputs = [ makeWrapper ]
     ++ lib.optionals stdenv.hostPlatform.isDarwin [ darwin.DarwinTools ]
-    ++ lib.optionals supportsLinuxDesktop [ glib wrapGAppsHook ];
+    ++ lib.optionals supportsLinuxDesktopTarget [ glib wrapGAppsHook ];
 
   passthru = flutter.passthru // {
     inherit (flutter) version;
     unwrapped = flutter;
-    inherit engineArtifacts;
+    inherit cacheDir;
   };
 
   dontUnpack = true;