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|
{ version
, engineVersion
, patches
, dart
, src
, includedEngineArtifacts ? {
common = [
"flutter_patched_sdk"
"flutter_patched_sdk_product"
];
platform = {
android = lib.optionalAttrs stdenv.hostPlatform.isx86_64
((lib.genAttrs [ "arm" "arm64" "x64" ] (architecture: [ "profile" "release" ])) // { x86 = [ "jit-release" ]; });
linux = lib.optionals stdenv.hostPlatform.isLinux
(lib.genAttrs ((lib.optional stdenv.hostPlatform.isx86_64 "x64") ++ (lib.optional stdenv.hostPlatform.isAarch64 "arm64"))
(architecture: [ "debug" "profile" "release" ]));
};
}
, lib
, callPackage
, stdenv
, runCommandLocal
, symlinkJoin
, lndir
, git
, which
}@args:
let
engineArtifactDirectory =
let
engineArtifacts = callPackage ./engine-artifacts { inherit engineVersion; };
in
runCommandLocal "flutter-engine-artifacts-${version}" { }
(
let
mkCommonArtifactLinkCommand = { artifact }:
''
mkdir -p $out/common
${lndir}/bin/lndir -silent ${artifact} $out/common
'';
mkPlatformArtifactLinkCommand = { artifact, os, architecture, variant ? null }:
let
artifactDirectory = "${os}-${architecture}${lib.optionalString (variant != null) "-${variant}"}";
in
''
mkdir -p $out/${artifactDirectory}
${lndir}/bin/lndir -silent ${artifact} $out/${artifactDirectory}
'';
in
''
${
builtins.concatStringsSep "\n"
((map (name: mkCommonArtifactLinkCommand {
artifact = engineArtifacts.common.${name};
}) (if includedEngineArtifacts ? common then includedEngineArtifacts.common else [ ])) ++
(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 (if includedEngineArtifacts ? platform then includedEngineArtifacts.platform else { }))))
}
''
);
unwrapped =
stdenv.mkDerivation {
name = "flutter-${version}-unwrapped";
inherit src patches version;
outputs = [ "out" "cache" ];
buildInputs = [ git ];
preConfigure = ''
if [ "$(< bin/internal/engine.version)" != '${engineVersion}' ]; then
echo 1>&2 "The given engine version (${engineVersion}) does not match the version required by the Flutter SDK ($(< bin/internal/engine.version))."
exit 1
fi
'';
postPatch = ''
patchShebangs --build ./bin/
'';
buildPhase = ''
export FLUTTER_ROOT="$(pwd)"
export FLUTTER_TOOLS_DIR="$FLUTTER_ROOT/packages/flutter_tools"
export SCRIPT_PATH="$FLUTTER_TOOLS_DIR/bin/flutter_tools.dart"
export SNAPSHOT_PATH="$FLUTTER_ROOT/bin/cache/flutter_tools.snapshot"
export STAMP_PATH="$FLUTTER_ROOT/bin/cache/flutter_tools.stamp"
export DART_SDK_PATH="${dart}"
# The Flutter tool compilation requires dependencies to be cached, as there is no Internet access.
# Dart expects package caches to be mutable, and does not support composing cache directories.
# The packages cached during the build therefore cannot be easily used. They are provided through
# the derivation's "cache" output, though, in case they are needed.
#
# Note that non-cached packages will normally be fetched from the Internet when they are needed, so Flutter
# will function without an existing package cache as long as it has an Internet connection.
export PUB_CACHE="$cache"
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 \
bin/cache/dart-sdk \
bin/cache/artifacts/engine
'';
installPhase = ''
runHook preInstall
mkdir -p $out
cp -r . $out
ln -sf ${dart} $out/bin/cache/dart-sdk
ln -sf ${engineArtifactDirectory} $out/bin/cache/artifacts/engine
runHook postInstall
'';
doInstallCheck = true;
nativeInstallCheckInputs = [ which ];
installCheckPhase = ''
runHook preInstallCheck
export HOME="$(mktemp -d)"
$out/bin/flutter config --android-studio-dir $HOME
$out/bin/flutter config --android-sdk $HOME
$out/bin/flutter --version | fgrep -q '${version}'
runHook postInstallCheck
'';
passthru = {
inherit dart;
# 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.
sdk = unwrapped;
buildFlutterApplication = callPackage ../../../build-support/flutter {
# Package a minimal version of Flutter that only uses Linux desktop release artifacts.
flutter = callPackage ./wrapper.nix {
flutter = callPackage ./flutter.nix (args // {
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" ]));
};
});
};
};
};
meta = with lib; {
description = "Flutter is Google's SDK for building mobile, web and desktop with Dart";
longDescription = ''
Flutter is Google’s UI toolkit for building beautiful,
natively compiled applications for mobile, web, and desktop from a single codebase.
'';
homepage = "https://flutter.dev";
license = licenses.bsd3;
platforms = [ "x86_64-linux" "aarch64-linux" ];
maintainers = with maintainers; [ babariviere ericdallo FlafyDev gilice hacker1024 ];
};
};
in
unwrapped
|
