Add unstable channel and jq

outputs.nix

@@ -1,9 +1,19 @@
-{ nixpkgs, home-manager, ... }:
+{ nixpkgs, nixpkgs-unstable, home-manager, ... }:
+
+let
+  mkPkgsUnstable = system: import nixpkgs-unstable {
+    inherit system;
+    config.allowUnfree = true;
+  };
+in
 
 {
   nixosConfigurations = {
     "gandalf" = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
+      specialArgs = {
+        pkgsUnstable = mkPkgsUnstable "x86_64-linux";
+      };
       modules = [
         home-manager.nixosModules.home-manager
         ./systems/gandalf
@@ -11,6 +21,9 @@
     };
     "frodo" = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
+      specialArgs = {
+        pkgsUnstable = mkPkgsUnstable "x86_64-linux";
+      };
       modules = [
         home-manager.nixosModules.home-manager
         ./systems/frodo
@@ -18,6 +31,9 @@
     };
     "legolas" = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
+      specialArgs = {
+        pkgsUnstable = mkPkgsUnstable "x86_64-linux";
+      };
       modules = [
         home-manager.nixosModules.home-manager
         ./systems/legolas
@@ -25,6 +41,9 @@
     };
     "work" = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
+      specialArgs = {
+        pkgsUnstable = mkPkgsUnstable "x86_64-linux";
+      };
       modules = [
         home-manager.nixosModules.home-manager
         ./systems/work