conduit/flake.nix
2024-01-24 07:22:37 -08:00

134 lines
3.3 KiB
Nix

{
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs?ref=nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
nix-filter.url = "github:numtide/nix-filter";
fenix = {
url = "github:nix-community/fenix";
inputs.nixpkgs.follows = "nixpkgs";
};
crane = {
url = "github:ipetkov/crane";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs =
{ self
, nixpkgs
, flake-utils
, nix-filter
, fenix
, crane
}: flake-utils.lib.eachDefaultSystem (system:
let
pkgs = nixpkgs.legacyPackages.${system};
# Use mold on Linux
stdenv = if pkgs.stdenv.isLinux then
pkgs.stdenvAdapters.useMoldLinker pkgs.stdenv
else
pkgs.stdenv;
# Nix-accessible `Cargo.toml`
cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
# The Rust toolchain to use
toolchain = fenix.packages.${system}.toolchainOf {
# Use the Rust version defined in `Cargo.toml`
channel = cargoToml.package.rust-version;
# THE rust-version HASH
sha256 = "sha256-gdYqng0y9iHYzYPAdkC/ka3DRny3La/S5G8ASj0Ayyc=";
};
mkToolchain = fenix.packages.${system}.combine;
buildToolchain = mkToolchain (with toolchain; [
cargo
rustc
]);
devToolchain = mkToolchain (with toolchain; [
cargo
clippy
rust-src
rustc
# Always use nightly rustfmt because most of its options are unstable
fenix.packages.${system}.latest.rustfmt
]);
builder =
((crane.mkLib pkgs).overrideToolchain buildToolchain).buildPackage;
nativeBuildInputs = (with pkgs.rustPlatform; [
bindgenHook
]);
env = {
ROCKSDB_INCLUDE_DIR = "${pkgs.rocksdb}/include";
ROCKSDB_LIB_DIR = "${pkgs.rocksdb}/lib";
};
in
{
packages.default = builder {
src = nix-filter {
root = ./.;
include = [
"src"
"Cargo.toml"
"Cargo.lock"
];
};
# This is redundant with CI
doCheck = false;
inherit
env
nativeBuildInputs
stdenv;
meta.mainProgram = cargoToml.package.name;
};
packages.oci-image =
let
package = self.packages.${system}.default;
in
pkgs.dockerTools.buildImage {
name = package.pname;
tag = "latest";
config = {
# Use the `tini` init system so that signals (e.g. ctrl+c/SIGINT) are
# handled as expected
Entrypoint = [
"${pkgs.lib.getExe' pkgs.tini "tini"}"
"--"
];
Cmd = [
"${pkgs.lib.getExe package}"
];
};
};
devShells.default = (pkgs.mkShell.override { inherit stdenv; }) {
env = env // {
# Rust Analyzer needs to be able to find the path to default crate
# sources, and it can read this environment variable to do so. The
# `rust-src` component is required in order for this to work.
RUST_SRC_PATH = "${devToolchain}/lib/rustlib/src/rust/library";
};
# Development tools
nativeBuildInputs = nativeBuildInputs ++ [
devToolchain
] ++ (with pkgs; [
engage
]);
};
});
}