set up flake with flake parts

1 files changed, 105 insertions, 39 deletions

diff --git a/flake.nix b/flake.nix
index ca8a0ad..4583da1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,52 +1,118 @@
 {
   inputs = {
-    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     naersk = {
       url = "github:nix-community/naersk";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    treefmt-nix = {
+      url = "github:numtide/treefmt-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    flake-parts.url = "github:hercules-ci/flake-parts";
   };
-
   outputs =
-    {
-      flake-utils,
-      naersk,
-      nixpkgs,
-      ...
-    }:
-    flake-utils.lib.eachDefaultSystem (
-      system:
-      let
-        pkgs = (import nixpkgs) { inherit system; };
-
-        naersk' = pkgs.callPackage naersk { };
-
-      in
+    inputs@{ flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } (
+      top@{ config, ... }:
       {
-        # For `nix build` & `nix run`:
-        packages.default = naersk'.buildPackage {
-          src = ./.;
-          nativeBuildInputs = with pkgs; [
-            cmake
-            flac
-            sqlite
-          ];
-        };
+        imports = [ inputs.treefmt-nix.flakeModule ];
+        systems = [
+          "aarch64-darwin"
+          "aarch64-linux"
+          "x86_64-darwin"
+          "x86_64-linux"
+        ];
+        perSystem =
+          { pkgs, ... }:
+          let
+            naersk' = pkgs.callPackage inputs.naersk { };
+            nativeBuildInputs' = with pkgs; [
+              cargo
+              cmake
+              flac
+              rustc
+              sqlite
+            ];
+          in
+          {
+            packages.default = naersk'.buildPackage {
+              src = ./.;
+              nativeBuildInputs = nativeBuildInputs';
+            };
 
-        # For `nix develop`:
-        devShell = pkgs.mkShell {
-          nativeBuildInputs = with pkgs; [
-            cargo
-            rustc
-          ];
-          packages = with pkgs; [
-            nixd
-            nixfmt
-            rust-analyzer
-            clippy
-          ];
-        };
+            devShells.default = pkgs.mkShell {
+              nativeBuildInputs = nativeBuildInputs';
+              packages = with pkgs; [
+                nixd
+                nixfmt
+                rust-analyzer
+                rustfmt
+                clippy
+              ];
+            };
+
+            treefmt = {
+              projectRootFile = "flake.nix";
+              programs = {
+                nixfmt.enable = true;
+                rustfmt.enable = true;
+                taplo.enable = true;
+              };
+            };
+          };
       }
     );
 }
+
+#   outputs =
+#     {
+#       self,
+#       flake-utils,
+#       naersk,
+#       nixpkgs,
+#       treefmt-nix,
+#       ...
+#     }:
+#     flake-utils.lib.eachDefaultSystem (
+#       system:
+#       let
+#         pkgs = (import nixpkgs) { inherit system; };
+
+#         naersk' = pkgs.callPackage naersk { };
+
+#         treefmtEval = treefmt-nix.lib.evalModule pkgs ./treefmt.nix;
+
+#       in
+#       {
+#         # For `nix build` & `nix run`:
+#         packages.default = naersk'.buildPackage {
+#           src = ./.;
+#           nativeBuildInputs = with pkgs; [
+#             cmake
+#             flac
+#             sqlite
+#           ];
+#         };
+
+#         # For `nix develop`:
+#         devShells.${system}.default = pkgs.mkShell {
+#           nativeBuildInputs = with pkgs; [
+#             cargo
+#             rustc
+#           ];
+#           packages = with pkgs; [
+#             nixd
+#             nixfmt
+#             rust-analyzer
+#             rustfmt
+#             clippy
+#           ];
+#         };
+#         formatter = treefmtEval.config.build.wrapper;
+#         checks = {
+#           formatting = treefmtEval.config.build.check self;
+#         };
+#       }
+#     );
+# }