chore(nix): move to flake-parts

dev/default.nix

@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./formatter.nix
+    ./shell.nix
+  ];
+}

dev/formatter.nix

@@ -0,0 +1,5 @@
+{
+  perSystem = {pkgs, ...}: {
+    formatter = pkgs.alejandra;
+  };
+}

dev/shell.nix

@@ -0,0 +1,12 @@
+{
+  perSystem = {pkgs, ...}: {
+    devShells.default = pkgs.mkShell {
+      buildInputs = with pkgs; [
+        alejandra
+        git-cliff
+        nil
+        sumneko-lua-language-server
+      ];
+    };
+  };
+}

flake.lock

@@ -1,5 +1,23 @@
 {
   "nodes": {
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1743550720,
+        "narHash": "sha256-hIshGgKZCgWh6AYJpJmRgFdR3WUbkY04o82X05xqQiY=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "c621e8422220273271f52058f618c94e405bb0f5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1739020877,
@@ -16,6 +34,21 @@
         "type": "github"
       }
     },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1743296961,
+        "narHash": "sha256-b1EdN3cULCqtorQ4QeWgLMrd5ZGOjLSLemfa00heasc=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "e4822aea2a6d1cdd36653c134cacfd64c97ff4fa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1660438583,
@@ -33,44 +66,11 @@
     },
     "root": {
       "inputs": {
+        "flake-parts": "flake-parts",
         "nixpkgs": "nixpkgs",
-        "utils": "utils",
         "yants": "yants"
       }
     },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "yants": {
       "inputs": {
         "nixpkgs": "nixpkgs_2"

flake.nix

@@ -3,35 +3,17 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
-    utils.url = "github:numtide/flake-utils";
     yants.url = "github:divnix/yants";
+    flake-parts.url = "github:hercules-ci/flake-parts";
   };
 
-  outputs = {
-    self,
-    nixpkgs,
-    utils,
-    yants,
-    ...
-  } @ inputs: let
-    inherit (builtins) readFile replaceStrings;
-    fu = utils.lib;
-    versionFile = replaceStrings ["\n"] [""] (readFile ./VERSION);
-    version =
-      if self.sourceInfo ? dirtyShortRev
-      then "${versionFile}-${self.sourceInfo.dirtyShortRev}"
-      else versionFile;
+  outputs = {flake-parts, ...} @ inputs: let
+  in (flake-parts.lib.mkFlake {inherit inputs;} {
+    systems = ["x86_64-linux"];
 
-    forSystem = system: let
-      pkgs = nixpkgs.legacyPackages.${system};
-      inherit (pkgs) nil;
-    in {
-      formatter = pkgs.alejandra;
-      devShells.default = import ./shell.nix {
-        inherit pkgs;
-      };
-    };
-  in
-    (fu.eachDefaultSystem forSystem)
-    // {lib = import ./lib {inherit version yants;};};
+    imports = [
+      ./dev
+      ./lib
+    ];
+  });
 }

lib/default.nix

@@ -1,9 +1,19 @@
 {
-  version,
-  yants,
+  self,
+  inputs,
+  ...
 }: let
-  types = import ./types.nix {inherit yants;};
+  inherit (builtins) readFile replaceStrings;
+  versionFile = replaceStrings ["\n"] [""] (readFile ../VERSION);
+  version =
+    if self.sourceInfo ? dirtyShortRev
+    then "${versionFile}-${self.sourceInfo.dirtyShortRev}"
+    else versionFile;
+
+  types = import ./types.nix {inherit (inputs) yants;};
 in {
-  mkNeovimPkg = import ./mkNeovimPkg.nix {inherit version types;};
-  mkPluginsFromInputs = import ./mkPluginsFromInputs.nix;
+  flake.lib = {
+    mkNeovimPkg = import ./mkNeovimPkg.nix {inherit version types;};
+    mkPluginsFromInputs = import ./mkPluginsFromInputs.nix;
+  };
 }

shell.nix

@@ -1,10 +0,0 @@
-{pkgs, ...}:
-with pkgs;
-  mkShell {
-    buildInputs = [
-      alejandra
-      git-cliff
-      nil
-      sumneko-lua-language-server
-    ];
-  }