improve nix devshell

flake.nix

@@ -0,0 +1,46 @@
+{
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+  inputs.nci.url = "github:yusdacra/nix-cargo-integration";
+  inputs.nci.inputs.nixpkgs.follows = "nixpkgs";
+  inputs.parts.url = "github:hercules-ci/flake-parts";
+  inputs.parts.inputs.nixpkgs-lib.follows = "nixpkgs";
+
+  outputs = inputs @ {
+    parts,
+    nci,
+    ...
+  }:
+    parts.lib.mkFlake {inherit inputs;} {
+      systems = ["x86_64-linux"];
+      imports = [nci.flakeModule];
+      perSystem = {
+        config,
+        pkgs,
+        ...
+      }: let
+        rustOutputs = config.nci.outputs;
+        rustDeps = with pkgs; [rust-analyzer];
+        webDeps = with pkgs; [yarn nodejs];
+        csDeps = with pkgs; [gcc protobuf dotnet-sdk_6 go];
+      in {
+        nci.toolchainConfig = ./rust-toolchain.toml;
+        nci.projects."pluralkit" = {
+          path = ./.;
+          export = true;
+        };
+        # configure crates
+        nci.crates = {
+          # see for usage: https://github.com/yusdacra/nix-cargo-integration/blob/master/examples/simple-workspace/crates.nix
+        };
+
+        devShells.default = rustOutputs."pluralkit".devShell.overrideAttrs (old: {
+          nativeBuildInputs = old.nativeBuildInputs ++ webDeps ++ csDeps ++ rustDeps;
+        });
+        devShells.web = pkgs.mkShell {nativeBuildInputs = webDeps;};
+        devShells.rust = rustOutputs."pluralkit".devShell.overrideAttrs (old: { nativeBuildInputs = old.nativeBuildInputs ++ rustDeps; });
+        devShells.cs= pkgs.mkShell {
+          nativeBuildInputs = csDeps;
+        };
+      };
+    };
+}