nix: update to 25.05

Author: MarcelCoding

derivation.nix

@@ -1,55 +1,42 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
-    utils.url = "github:numtide/flake-utils";
-    crane = {
-      url = "github:ipetkov/crane";
-      inputs.nixpkgs.follows = "nixpkgs";
-      inputs.flake-utils.follows = "utils";
-    };
-    fenix = {
-      url = "github:nix-community/fenix";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+    flake-utils.url = "github:numtide/flake-utils";
   };
 
-  outputs = inputs@{ self, nixpkgs, utils, crane, fenix}:
-    utils.lib.eachDefaultSystem
-    (system:
-    let
-      pkgs = nixpkgs.legacyPackages.${system};
-      craneLib = crane.lib.${system}.overrideToolchain fenix.packages.${system}.minimal.toolchain;
-      package = pkgs.callPackage ./derivation.nix { craneLib = craneLib; };
-    in
-    rec {
-    checks = packages;
-    packages = {
-      chemo = package;
-      default = package;
-      docs = (pkgs.nixosOptionsDoc {
-        options = (nixpkgs.lib.nixosSystem {
-          inherit system;
-          modules = [ self.nixosModules.default ];
-        }).options.TLMS;
-      }).optionsCommonMark;
-    };
-    devShells.default = pkgs.mkShell {
-      nativeBuildInputs = (with packages.chemo; nativeBuildInputs ++ buildInputs);
-    };
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem
+      (system:
+        let
+          pkgs = (import nixpkgs) {
+            inherit system;
+          };
+          chemo = pkgs.callPackage ./package.nix { };
+        in
+        {
+          packages = {
+            inherit chemo;
+            default = chemo;
+            docs = (pkgs.nixosOptionsDoc {
+              options = (nixpkgs.lib.nixosSystem {
+                inherit system;
+                modules = [ self.nixosModules.default ];
+              }).options.TLMS;
+            }).optionsCommonMark;
+          };
 
-    apps = {
-      chemo = utils.lib.mkApp { drv = packages.chemo; };
-      default = apps.chemo;
-    };
-  }) // {
-    nixosModules = rec {
-        default = chemo;
-        chemo = import ./nixos-module;
-    };
+          devShells.default = pkgs.mkShell {
+            nativeBuildInputs = with chemo; nativeBuildInputs ++ buildInputs;
+          };
+        }
+      ) // {
+      overlays.default = _: prev: {
+        inherit (self.packages."${prev.system}") chemo;
+      };
 
-    overlays.default = final: prev: {
-      inherit (self.packages.${prev.system})
-      chemo;
+      nixosModules = rec {
+        chemo = ./module.nix;
+        default = chemo;
+      };
     };
-  };
 }

flake.lock

@@ -0,0 +1,27 @@
+{ lib, rustPlatform, pkg-config, cmake, openssl, libpq, ... }:
+
+let
+  manifest = (lib.importTOML ./Cargo.toml).package;
+in
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = manifest.name;
+  inherit (manifest) version;
+
+  src = lib.cleanSource ./.;
+
+  cargoHash = "sha256-JCeuelqP5vCNd0A7dRnW+M3+FKUM2sUFFCyArm8VwN4=";
+
+  cargoBuildFlags = "-p ${finalAttrs.pname}";
+  cargoTestFlags = "-p ${finalAttrs.pname}";
+
+  nativeBuildInputs = [ pkg-config cmake ];
+
+  buildInputs = [ openssl libpq ];
+
+  meta = {
+    mainProgram = "chemo";
+    description = "Merging high end quality TM Data Streams since 2023";
+    homepage = "https://github.com/dump-dvb/chemo";
+  };
+})
+