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

60 lines
2.0 KiB
Nix

{ symlinkJoin
, makeWrapper
}: flutter:
let
self =
symlinkJoin {
name = "${flutter.name}-sdk-links";
paths = [ flutter flutter.cacheDir flutter.sdk ];
nativeBuildInputs = [ makeWrapper ];
postBuild = ''
wrapProgram "$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
# For iOS/macOS builds, *.xcframework/'s from the pre-built
# artifacts are copied into each built app. However, the symlinkJoin
# means that the *.xcframework's contain symlinks into the nix store,
# which causes issues when actually running the apps.
#
# We'll fix this by only linking to an outer *.xcframework dir instead
# of trying to symlinkJoin the files inside the *.xcframework.
artifactsDir="$out/bin/cache/artifacts/engine"
shopt -s globstar
for file in "$artifactsDir"/**/*.xcframework/Info.plist; do
# Get the unwrapped path from the Info.plist inside each .xcframework
origFile="$(readlink -f "$file")"
origFrameworkDir="$(dirname "$origFile")"
# Remove the symlinkJoin .xcframework dir and replace it with a symlink
# to the unwrapped .xcframework dir.
frameworkDir="$(dirname "$file")"
rm -r "$frameworkDir"
ln -s "$origFrameworkDir" "$frameworkDir"
done
shopt -u globstar
'';
passthru = flutter.passthru // {
# Update the SDK attribute.
# This allows any modified SDK files to be included
# in future invocations.
sdk = self;
};
meta = flutter.meta // {
longDescription = ''
${flutter.meta.longDescription}
Modified binaries are linked into the original SDK directory for use with tools that use the whole SDK.
'';
};
};
in
self