nixos/templates/rust/flake.nix

{
  description = "basic rust flake";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        flake-utils.follows = "flake-utils";
      };
    };
    flake-utils.url = "github:numtide/flake-utils";
    gitignoresrc = {
      url = "github:hercules-ci/gitignore.nix";
      flake = false;
    };
  };

  outputs = {
    self,
    nixpkgs,
    nixpkgs-unstable,
    flake-utils,
    gitignoresrc,
    rust-overlay,
    ...
  } @ inputs:
    {
      #overlay = import ./nix { inherit gitignoresrc; };
    }
    // (flake-utils.lib.eachDefaultSystem (system: let
      unstable = import nixpkgs-unstable {inherit system;};
      pkgs = import nixpkgs {
        inherit system;
        overlays = [(import rust-overlay)];
      };
    in rec {
      devShell = pkgs.mkShell {
        RUST_LOG = "debug";
        RUST_BACKTRACE = 1;
        buildInputs = [
          pkgs.rust-bin.stable.latest.rustfmt
          pkgs.rust-bin.stable.latest.default
          pkgs.rust-analyzer
          pkgs.cargo-audit
          pkgs.cargo-license
          pkgs.cargo-tarpaulin
          pkgs.cargo-kcov
          pkgs.valgrind
          pkgs.gnuplot
          pkgs.kcov
        ];
      };
    }));
}