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|
# Nix helpers for projects under //tvix
{ pkgs, lib, depot, ... }:
let
# crate override for crates that need protobuf
protobufDep = prev: (prev.nativeBuildInputs or [ ]) ++ [ pkgs.protobuf ];
iconvDarwinDep = lib.optionals pkgs.stdenv.isDarwin [ pkgs.libiconv ];
# fuse-backend-rs uses DiskArbitration framework to handle mount/unmount on Darwin
diskArbitrationDep = lib.optionals pkgs.stdenv.isDarwin [ pkgs.buildPackages.darwin.apple_sdk.frameworks.DiskArbitration ];
# Load the crate2nix crate tree.
crates = import ./Cargo.nix {
inherit pkgs;
nixpkgs = pkgs.path;
# Hack to fix Darwin build
# See https://github.com/NixOS/nixpkgs/issues/218712
buildRustCrateForPkgs = pkgs:
if pkgs.stdenv.isDarwin then
let
buildRustCrate = pkgs.buildRustCrate;
buildRustCrate_ = args: buildRustCrate args // { dontStrip = true; };
override = o: args: buildRustCrate.override o (args // { dontStrip = true; });
in
pkgs.makeOverridable override { }
else pkgs.buildRustCrate;
defaultCrateOverrides = pkgs.defaultCrateOverrides // {
zstd-sys = prev: {
nativeBuildInputs = prev.nativeBuildInputs or [ ] ++ iconvDarwinDep;
};
prost-build = prev: {
nativeBuildInputs = protobufDep prev;
};
tonic-reflection = prev: {
nativeBuildInputs = protobufDep prev;
};
tvix-castore = prev: {
PROTO_ROOT = depot.tvix.proto;
nativeBuildInputs = protobufDep prev;
};
tvix-store = prev: {
PROTO_ROOT = depot.tvix.proto;
nativeBuildInputs = protobufDep prev;
buildInputs = prev.buildInputs or [ ] ++ diskArbitrationDep;
};
};
};
# Cargo dependencies to be used with nixpkgs rustPlatform functions.
cargoDeps = pkgs.rustPlatform.importCargoLock {
lockFile = ./Cargo.lock;
# Extract the hashes from `crates` / Cargo.nix, we already get them from cargo2nix.
# This returns an attribute set containing "${crateName}-${version}" as key,
# and the outputHash as value.
outputHashes = builtins.listToAttrs
(map
(crateName:
(lib.nameValuePair "${crateName}-${crates.internal.crates.${crateName}.version}" crates.internal.crates.${crateName}.src.outputHash)
) [
"fuse-backend-rs"
"test-generator"
"wu-manber"
]);
};
in
{
inherit crates;
# Run crate2nix generate in the current working directory, then
# format the generated file with depotfmt.
crate2nixGenerate = pkgs.writeShellScriptBin "crate2nix-generate" ''
${pkgs.crate2nix}/bin/crate2nix generate --all-features
${depot.tools.depotfmt}/bin/depotfmt Cargo.nix
'';
# Provide the Tvix logo in both .webp and .png format.
logo = pkgs.runCommand "logo"
{
nativeBuildInputs = [ pkgs.imagemagick ];
} ''
mkdir -p $out
cp ${./logo.webp} $out/logo.webp
convert $out/logo.webp $out/logo.png
'';
# Provide a shell for the combined dependencies of all Tvix Rust
# projects. Note that as this is manually maintained it may be
# lacking something, but it is required for some people's workflows.
#
# This shell can be entered with e.g. `mg shell //tvix:shell`.
# This is a separate file, so it can be used individually in the tvix josh
# workspace too.
shell = (import ./shell.nix { inherit pkgs; });
# Builds and tests the code in castore/protos.
castore-protos-go = pkgs.buildGoModule {
name = "castore-golang";
src = depot.third_party.gitignoreSource ./castore/protos;
vendorHash = "sha256-ZNtSSW+oCxMsBtURSrea9/GyUHDagtGefM+Ii+VkgCA=";
};
# Builds and tests the code in store/protos.
store-protos-go = pkgs.buildGoModule {
name = "store-golang";
src = depot.third_party.gitignoreSource ./store/protos;
vendorHash = "sha256-WAYaIT3h3Cdvo1RB8T7DuoxeKvXfkq8vo/vdkhJQDs0=";
};
# Build the Rust documentation for publishing on docs.tvix.dev.
rust-docs = pkgs.stdenv.mkDerivation {
inherit cargoDeps;
name = "tvix-rust-docs";
src = depot.third_party.gitignoreSource ./.;
PROTO_ROOT = depot.tvix.proto;
buildInputs = [
pkgs.fuse
];
nativeBuildInputs = with pkgs; [
cargo
pkg-config
protobuf
rustc
rustPlatform.cargoSetupHook
] ++ iconvDarwinDep;
buildPhase = ''
cargo doc --document-private-items
mv target/doc $out
'';
};
meta.ci.targets = [
"castore-protos-go"
"store-protos-go"
"shell"
"rust-docs"
];
}
|
