1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
{ lib
, stdenv
, 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" ]));
};
}
, extraPkgConfigPackages ? [ ]
, extraLibraries ? [ ]
, extraIncludes ? [ ]
, extraCxxFlags ? [ ]
, extraCFlags ? [ ]
, extraLinkerFlags ? [ ]
, makeWrapper
, runCommandLocal
, writeShellScript
, wrapGAppsHook
, git
, which
, pkg-config
, atk
, cairo
, gdk-pixbuf
, glib
, gtk3
, harfbuzz
, libepoxy
, pango
, libX11
, xorgproto
, libdeflate
, zlib
, cmake
, ninja
, clang
, lndir
, symlinkJoin
}:
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 { }))))
);
cacheDir = symlinkJoin {
name = "flutter-cache-dir";
paths = [
engineArtifactDirectory
"${flutter}/bin/cache"
];
};
# By default, Flutter stores downloaded files (such as the Pub cache) in the SDK directory.
# Wrap it to ensure that it does not do that, preferring home directories instead.
# The sh file `$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}
${flutter}/bin/flutter "$@"
'';
# Tools that the Flutter tool depends on.
tools = [ git which ];
# Libraries that Flutter apps depend on at runtime.
appRuntimeDeps = lib.optionals supportsLinuxDesktop [
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: builtins.filter lib.isDerivation ((pkg.buildInputs or [ ]) ++ (pkg.propagatedBuildInputs or [ ]));
collect = pkg: lib.unique ([ pkg ] ++ deps pkg ++ builtins.concatMap collect (deps pkg));
in
builtins.concatMap collect appRuntimeDeps;
# 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;
# Tools used by the Flutter SDK to compile applications.
buildTools = lib.optionals supportsLinuxDesktop [
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 supportsLinuxDesktop [ glib wrapGAppsHook ];
passthru = flutter.passthru // {
unwrapped = flutter;
inherit engineArtifacts;
};
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 -p $out/bin
makeWrapper '${immutableFlutter}' $out/bin/flutter \
--set-default ANDROID_EMULATOR_USE_SYSTEM_LIBS 1 \
--suffix PATH : '${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;
})
|