{
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
rust-overlay = {
url = "github:oxalica/rust-overlay";
inputs.nixpkgs.follows = "nixpkgs";
inputs.flake-utils.follows = "flake-utils";
};
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { self, rust-overlay, nixpkgs, flake-utils }:
flake-utils.lib.eachDefaultSystem (system:
let
overlays = [ (import rust-overlay) ];
pkgs = import nixpkgs {
inherit system overlays;
};
cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
stableWithLlvm = pkgs.rust-bin.nightly.latest.default.override {
extensions = [ "rustfmt" "llvm-tools-preview" ];
targets = [ ];
};
in
with pkgs;
{
devShells = rec {
default = msrv;
msrv = mkShell {
buildInputs = [
rust-bin.stable."${cargoToml.package."rust-version"}".default
];
};
stable = mkShell {
buildInputs = [
rust-bin.stable.latest.default
];
};
beta = mkShell {
buildInputs = [
rust-bin.beta.latest.default
];
};
nightly = mkShell {
buildInputs = [
rust-bin.nightly.latest.default
];
};
codecov = mkShell {
buildInputs = [
stableWithLlvm
];
CARGO_INCREMENTAL = "0";
RUSTFLAGS = "-Cinstrument-coverage";
RUSTDOCFLAGS = "-Cinstrument-coverage";
};
};
}
);
}