Add quasar dependency

flake.lock

@@ -13,9 +13,32 @@
         "type": "indirect"
       }
     },
+    "quasar": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "host": "git.c3pb.de",
+        "lastModified": 1626105841,
+        "narHash": "sha256-od9bq8zu30xbbPckIeLW4d1cEOI1EQllOn3qW9qLr1Y=",
+        "owner": "jens",
+        "repo": "quasar",
+        "rev": "fc85ec26151845dc9e972a7b91bd3828b0132baf",
+        "type": "gitlab"
+      },
+      "original": {
+        "host": "git.c3pb.de",
+        "owner": "jens",
+        "repo": "quasar",
+        "type": "gitlab"
+      }
+    },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "quasar": "quasar"
       }
     }
   },

flake.nix

 {
-  outputs = { self, nixpkgs }:
+  inputs = {
+    quasar = {
+      url = gitlab:jens/quasar?host=git.c3pb.de;
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = { self, nixpkgs, quasar }:
   let
     lib = nixpkgs.lib;
     systems = lib.platforms.unix;
@@ -7,7 +14,7 @@
   in {
     packages = forAllSystems (system: {
       quasar-network = import ./. {
-        pkgs = nixpkgs.legacyPackages.${system};
+        pkgs = import nixpkgs { inherit system; overlays = [ quasar.overlay ]; };
       };
     });
 

quasar-network.cabal

@@ -63,6 +63,7 @@ common shared-properties
     hashable,
     mtl,
     network,
+    quasar,
     template-haskell,
     unix,
     unordered-containers,