Add yar overlay for plundering organizations

overlays/yar/default.nix

@@ -0,0 +1,22 @@
+{ lib, fetchFromGitHub, buildGoModule }:
+
+buildGoModule rec {
+  pname = "yar";
+  version = "master";
+
+  vendorSha256 = "sha256-bBaAP9HQ1fG6gPtoYg9HXnv53DueAFnT4OHE4rwlxvA=";
+
+  src = fetchFromGitHub {
+    owner = "nielsing";
+    repo = "yar";
+    rev = version;
+    sha256 = "sha256-f7pTS5Ur8ImbIkPkyunyQEgpeF79CIQFEodg69VxA9I=";
+  };
+
+  meta = with lib; {
+    description = "Yar is a tool for plunderin' organizations, users and/or repositories.";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ davegallant ];
+    platforms = platforms.linux ++ platforms.darwin;
+  };
+}