Use non-deprecated nixpkgs methods (#4)

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1734119587,
-        "narHash": "sha256-AKU6qqskl0yf2+JdRdD0cfxX4b9x3KKV5RqA6wijmPM=",
+        "lastModified": 1734649271,
+        "narHash": "sha256-4EVBRhOjMDuGtMaofAIqzJbg4Ql7Ai0PSeuVZTHjyKQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3566ab7246670a43abd2ffa913cc62dad9cdf7d5",
+        "rev": "d70bd19e0a38ad4790d3913bf08fcbfc9eeca507",
         "type": "github"
       },
       "original": {

flake.nix

@@ -37,14 +37,16 @@
             '';
           };
       in {
-        packages = {
-          fantomas = dotnetTool "fantomas" (builtins.fromJSON (builtins.readFile ./.config/dotnet-tools.json)).tools.fantomas.version (builtins.head (builtins.filter (elem: elem.pname == "fantomas") ((import ./nix/deps.nix) {fetchNuGet = x: x;}))).hash;
+        packages = let
+          deps = builtins.fromJSON (builtins.readFile ./nix/deps.json);
+        in {
+          fantomas = dotnetTool "fantomas" (builtins.fromJSON (builtins.readFile ./.config/dotnet-tools.json)).tools.fantomas.version (builtins.head (builtins.filter (elem: elem.pname == "fantomas") deps)).hash;
           default = pkgs.buildDotnetModule {
             pname = pname;
             version = version;
             src = ./.;
             projectFile = projectFile;
-            nugetDeps = ./nix/deps.nix; # `nix build .#default.passthru.fetch-deps && ./result` and put the result here
+            nugetDeps = ./nix/deps.json; # `nix build .#default.fetch-deps && ./result nix/deps.json`
             doCheck = true;
             dotnet-sdk = dotnet-sdk;
             dotnet-runtime = dotnet-runtime;

nix/deps.json

@@ -0,0 +1,7 @@
+[
+  {
+    "pname": "fantomas",
+    "version": "6.3.16",
+    "hash": "sha256-4tRdYf+/Q1iedx+DDuIKVGlIWQdr6erM51VdKzZkhCs="
+  }
+]

nix/deps.nix

@@ -1,9 +0,0 @@
-# This file was automatically generated by passthru.fetch-deps.
-# Please dont edit it manually, your changes might get overwritten!
-{fetchNuGet}: [
-  (fetchNuGet {
-    pname = "fantomas";
-    version = "6.3.16";
-    hash = "sha256-4tRdYf+/Q1iedx+DDuIKVGlIWQdr6erM51VdKzZkhCs=";
-  })
-]