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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212{ lib, stdenv, darwin, callPackage, flutter, supportedTargetFlutterPlatforms ? [ "universal" "web" ] ++ lib.optional (stdenv.hostPlatform.isLinux && !(flutter ? engine)) "linux" ++ lib.optional (stdenv.hostPlatform.isx86_64 || stdenv.hostPlatform.isDarwin) "android" ++ lib.optionals stdenv.hostPlatform.isDarwin [ "macos" "ios" ], artifactHashes ? flutter.artifactHashes, extraPkgConfigPackages ? [ ], extraLibraries ? [ ], extraIncludes ? [ ], extraCxxFlags ? [ ], extraCFlags ? [ ], extraLinkerFlags ? [ ], makeWrapper, writeShellScript, wrapGAppsHook3, gitMinimal, which, pkg-config, atk, cairo, gdk-pixbuf, glib, gtk3, harfbuzz, libepoxy, pango, libx11, xorgproto, libdeflate, zlib, cmake, ninja, clang, symlinkJoin,}:
let supportsLinuxDesktopTarget = builtins.elem "linux" supportedTargetFlutterPlatforms;
flutterPlatformArtifacts = lib.genAttrs supportedTargetFlutterPlatforms ( flutterPlatform: (callPackage ./artifacts/prepare-artifacts.nix { src = callPackage ./artifacts/fetch-artifacts.nix { inherit flutterPlatform; systemPlatform = stdenv.hostPlatform.system; flutter = callPackage ./wrapper.nix { inherit flutter; }; hash = artifactHashes.${flutterPlatform}.${stdenv.hostPlatform.system} or ""; }; }) );
cacheDir = symlinkJoin { name = "flutter-cache-dir"; paths = builtins.attrValues flutterPlatformArtifacts; postBuild = '' mkdir --parents "$out/bin/cache" ln --symbolic '${flutter}/bin/cache/dart-sdk' "$out/bin/cache" ''; passthru.flutterPlatform = flutterPlatformArtifacts; };
# By default, Flutter stores downloaded files (such as the Pub cache) in the SDK directory. # Wrap it to ensure that it does not do that, preferring home directories instead. immutableFlutter = writeShellScript "flutter_immutable" '' export PUB_CACHE=''${PUB_CACHE:-"$HOME/.pub-cache"} ${flutter}/bin/flutter "$@" '';
# Tools that the Flutter tool depends on. tools = [ gitMinimal which ];
# Libraries that Flutter apps depend on at runtime. appRuntimeDeps = lib.optionals supportsLinuxDesktopTarget [ atk cairo gdk-pixbuf glib gtk3 harfbuzz libepoxy pango libx11 libdeflate ];
# Development packages required for compilation. appBuildDeps = let # https://discourse.nixos.org/t/handling-transitive-c-dependencies/5942/3 deps = pkg: lib.filter lib.isDerivation ((pkg.buildInputs or [ ]) ++ (pkg.propagatedBuildInputs or [ ])); withKey = pkg: { key = pkg.outPath; val = pkg; }; collect = pkg: lib.map withKey ([ pkg ] ++ deps pkg); in lib.map (e: e.val) ( lib.genericClosure { startSet = lib.map withKey appRuntimeDeps; operator = item: collect item.val; } );
# Some header files and libraries are not properly located by the Flutter SDK. # They must be manually included. appStaticBuildDeps = (lib.optionals supportsLinuxDesktopTarget [ libx11 xorgproto zlib ]) ++ extraLibraries;
# Tools used by the Flutter SDK to compile applications. buildTools = lib.optionals supportsLinuxDesktopTarget [ pkg-config cmake ninja clang ];
# Nix-specific compiler configuration. pkgConfigPackages = map (lib.getOutput "dev") (appBuildDeps ++ extraPkgConfigPackages); includeFlags = map (pkg: "-isystem ${lib.getOutput "dev" pkg}/include") ( appStaticBuildDeps ++ extraIncludes ); linkerFlags = (map (pkg: "-rpath,${lib.getOutput "lib" pkg}/lib") appRuntimeDeps) ++ extraLinkerFlags;in(callPackage ./sdk-symlink.nix { }) ( stdenv.mkDerivation { pname = "flutter-wrapped"; inherit (flutter) version;
nativeBuildInputs = [ makeWrapper ] ++ lib.optionals stdenv.hostPlatform.isDarwin [ darwin.DarwinTools ] ++ lib.optionals supportsLinuxDesktopTarget [ glib wrapGAppsHook3 ];
passthru = flutter.passthru // { inherit (flutter) version; unwrapped = flutter; updateScript = ./update/update.py; inherit cacheDir; };
dontUnpack = true; dontWrapGApps = true;
installPhase = '' runHook preInstall
for path in ${ builtins.concatStringsSep " " ( builtins.foldl' ( paths: pkg: paths ++ (map (directory: "'${pkg}/${directory}/pkgconfig'") [ "lib" "share" ]) ) [ ] pkgConfigPackages ) }; do addToSearchPath FLUTTER_PKG_CONFIG_PATH "$path" done
mkdir --parents $out/bin makeWrapper '${immutableFlutter}' $out/bin/flutter \ --set-default ANDROID_EMULATOR_USE_SYSTEM_LIBS 1 \ '' + lib.optionalString (flutter ? engine && flutter.engine.meta.available) '' --set-default FLUTTER_ENGINE "${flutter.engine}" \ --add-flags "--local-engine-host ${flutter.engine.outName}" \ '' + '' --suffix PATH : '${lib.makeBinPath (tools ++ buildTools)}' \ --suffix PKG_CONFIG_PATH : "$FLUTTER_PKG_CONFIG_PATH" \ --suffix LIBRARY_PATH : '${lib.makeLibraryPath appStaticBuildDeps}' \ --prefix CXXFLAGS "''\t" '${builtins.concatStringsSep " " (includeFlags ++ extraCxxFlags)}' \ --prefix CFLAGS "''\t" '${builtins.concatStringsSep " " (includeFlags ++ extraCFlags)}' \ --prefix LDFLAGS "''\t" '${ builtins.concatStringsSep " " (map (flag: "-Wl,${flag}") linkerFlags) }' \ ''${gappsWrapperArgs[@]}
runHook postInstall '';
inherit (flutter) meta; })