74 lines
1.8 KiB
Nix
74 lines
1.8 KiB
Nix
# Schema:
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# ${flutterVersion}.${targetPlatform}.${hostPlatform}
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#
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# aarch64-darwin as a host is not yet supported.
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# https://github.com/flutter/flutter/issues/60118
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{ lib
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, runCommand
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, xorg
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, cacert
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, unzip
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, flutterPlatform
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, systemPlatform
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, flutter
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, hash
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}:
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let
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flutterPlatforms = [
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"android"
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"ios"
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"web"
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"linux"
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"windows"
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"macos"
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"fuchsia"
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"universal"
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];
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flutter' = flutter.override {
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# Use a version of Flutter with just enough capabilities to download
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# artifacts.
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supportedTargetFlutterPlatforms = [ ];
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# Modify flutter-tool's system platform in order to get the desired platform's hashes.
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flutter = flutter.unwrapped.override {
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flutterTools = flutter.unwrapped.tools.override {
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inherit systemPlatform;
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};
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};
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};
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in
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runCommand "flutter-artifacts-${flutterPlatform}-${systemPlatform}"
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{
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nativeBuildInputs = [ xorg.lndir flutter' unzip ];
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NIX_FLUTTER_TOOLS_VM_OPTIONS = "--root-certs-file=${cacert}/etc/ssl/certs/ca-bundle.crt";
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NIX_FLUTTER_OPERATING_SYSTEM = {
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"x86_64-linux" = "linux";
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"aarch64-linux" = "linux";
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"x86_64-darwin" = "macos";
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"aarch64-darwin" = "macos";
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}.${systemPlatform};
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outputHash = hash;
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outputHashMode = "recursive";
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outputHashAlgo = "sha256";
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passthru = {
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inherit flutterPlatform;
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};
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} ''
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export FLUTTER_ROOT="$NIX_BUILD_TOP"
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lndir -silent '${flutter'}' "$FLUTTER_ROOT"
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rm -rf "$FLUTTER_ROOT/bin/cache"
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mkdir "$FLUTTER_ROOT/bin/cache"
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HOME="$(mktemp -d)" flutter precache -v '--${flutterPlatform}' ${builtins.concatStringsSep " " (map (p: "'--no-${p}'") (lib.remove flutterPlatform flutterPlatforms))}
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rm -rf "$FLUTTER_ROOT/bin/cache/lockfile"
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find "$FLUTTER_ROOT" -type l -lname '${flutter'}/*' -delete
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cp -r bin/cache "$out"
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''
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