move nix-software-center into the flake.nix

Signed-off-by: Alex Stan <stan.alexandru@ichb.ro>

flake.lock

@@ -1,6 +1,41 @@
 {
   "nodes": {
+    "nix-software-center": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      },
+      "locked": {
+        "lastModified": 1678759647,
+        "narHash": "sha256-F1WIPB+8u1QIv1FKDlfCxf4trktwnvtywFHdRuQXgZs=",
+        "owner": "vlinkz",
+        "repo": "nix-software-center",
+        "rev": "0ba4ad447567626e66a5729d64e0e5eb751d40c0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "vlinkz",
+        "repo": "nix-software-center",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
+      "locked": {
+        "lastModified": 1676721149,
+        "narHash": "sha256-mN2EpTGxxVNnFZLoLWRwh6f7UWhXy4qE+wO2CZyrXps=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "5f4e07deb7c44f27d498f8df9c5f34750acf52d2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
       "locked": {
         "lastModified": 1679616449,
         "narHash": "sha256-E6Fvb13mDFa1ZY4lDbTpKbjvUOA4gbh23GWRf3ZzOOw=",
@@ -18,7 +53,23 @@
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nix-software-center": "nix-software-center",
+        "nixpkgs": "nixpkgs_2"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1676283394,
+        "narHash": "sha256-XX2f9c3iySLCw54rJ/CZs+ZK6IQy7GXNY4nSOyu2QG4=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "3db36a8b464d0c4532ba1c7dda728f4576d6d073",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
       }
     }
   },

flake.nix

@@ -1,11 +1,15 @@
 {
   description = "My NixOS system configuration";
 
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nix-software-center.url = "github:vlinkz/nix-software-center";
+  };
 
-  outputs = { self, nixpkgs }: {
+  outputs = { self, nixpkgs, ... }@inputs: {
     nixosConfigurations.ultrapc = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
+      specialArgs = { inherit inputs; };
       modules = [
         ./ultrapc/configuration.nix
       ];

ultrapc/configuration.nix

@@ -2,14 +2,15 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
-{ config, pkgs, lib, ... }:
+{ config, pkgs, lib, inputs, ... }:
 let
-  nix-software-center = import (pkgs.fetchFromGitHub {
+  # nix-software-center = import (pkgs.fetchFromGitHub {
-    owner = "vlinkz";
+    # owner = "vlinkz";
-    repo = "nix-software-center";
+    # repo = "nix-software-center";
-    rev = "0.1.1";
+    # rev = "0.1.1";
-    sha256 = "0frigabszyfkphfbsniaa1d546zm8a2gx0cqvk2fr2qfa71kd41n";
+    # sha256 = "0frigabszyfkphfbsniaa1d546zm8a2gx0cqvk2fr2qfa71kd41n";
-  }) {};
+  # }) {};
+  nix-software-center = inputs.nix-software-center.packages.${pkgs.system}.nix-software-center;
 in
 {
   imports =