Ygg version reversal

pkgs/default.nix

@@ -58,6 +58,8 @@ let
           zfsUnstable = ksuper.zfsUnstable.overrideAttrs (old: { meta = old.meta // { broken = false; }; });
         });
 
+        yggdrasil = self.callPackage ./yggdrasil { };
+
         obs-studio = super.obs-studio.override { pipewireSupport = true; };
 
         libreelec-dvb-firmware = self.callPackage ./libreelec-dvb-firmware { };

pkgs/yggdrasil/default.nix

@@ -0,0 +1,41 @@
+{ lib, buildGoModule, fetchFromGitHub, nixosTests }:
+
+buildGoModule rec {
+  pname = "yggdrasil";
+  version = "0.3.16";
+
+  src = fetchFromGitHub {
+    owner = "yggdrasil-network";
+    repo = "yggdrasil-go";
+    rev = "v${version}";
+    sha256 = "sha256-uUF0zkgtzdMZB/GKOtawjn7AQBkRoiAEj9nUUmpQSVQ=";
+  };
+
+  vendorSha256 = "sha256-619PSqd7pl3Akj/kzLQhDIp1adumBGhLrzQsZvMzC7w=";
+
+  doCheck = false;
+
+  # Change the default location of the management socket on Linux
+  # systems so that the yggdrasil system service unit does not have to
+  # be granted write permission to /run.
+  patches = [ ./change-runtime-dir.patch ];
+
+  subPackages = [ "cmd/yggdrasil" "cmd/yggdrasilctl" ];
+
+  buildFlagsArray = ''
+    -ldflags=
+      -X github.com/yggdrasil-network/yggdrasil-go/src/version.buildVersion=${version}
+      -X github.com/yggdrasil-network/yggdrasil-go/src/version.buildName=${pname}
+      -s -w
+  '';
+
+  passthru.tests.basic = nixosTests.yggdrasil;
+
+  meta = with lib; {
+    description =
+      "An experiment in scalable routing as an encrypted IPv6 overlay network";
+    homepage = "https://yggdrasil-network.github.io/";
+    license = licenses.lgpl3;
+    maintainers = with maintainers; [ ehmry gazally lassulus ];
+  };
+}