Wesher package now works

nix/configuration.nix

@@ -19,15 +19,15 @@
       ./node.nix
     ];
 
+  nixpkgs.overlays = [
+    (import ./wesher.nix)
+  ];
+
   # The global useDHCP flag is deprecated, therefore explicitly set to false here.
   # Per-interface useDHCP will be mandatory in the future, so this generated config
   # replicates the default behaviour.
   networking.useDHCP = false;
 
-  nixpkgs.overlays = [
-    (import ./wesher.nix)
-  ];
-
   # Set your time zone.
   time.timeZone = "Europe/Paris";
 

nix/wesher.nix

@@ -1,23 +1,25 @@
-pkgs:
-pkgs.buildGoModule rec {
+self: super:
+{
+  wesher = super.buildGoModule rec {
     pname = "wesher";
     version = "0.2.6";
 
-  src = pkgs.fetchFromGitHub {
+    src = super.fetchFromGitHub {
       owner = "costela";
       repo = "wesher";
       rev = "v${version}";
-    sha256 = "1fnclr556avxay6pvgw5ya3xbxfnf2gv4njq2hr4fd6fcjyslq5h";
+      sha256 = "1iagmnw2yf15r0fpikk610w0lm0gcxw83lcwfjyr2jv1q2ys71hh";
     };
 
-  vendorSha256 = null;
+    vendorSha256 = "0nyg0wzn8d4rzjs8yrxxj3gha94043ll80s1ql0fml025q2f3705";
 
     checkPhase = "true";
 
-  meta = with pkgs.lib; {
+    meta = with super.lib; {
       description = "wireguard overlay mesh network manager";
       homepage = "https://github.com/costela/wesher";
       license = licenses.gpl3Plus;
       platforms = platforms.linux;
     };
+  };
 }