added overlay packages, added go overlay

needed go overlay for diffnav

modules/common/overlays.nix

@@ -1,6 +1,9 @@
 final: prev: let
-  # Use latest rust from overlay which should work on non-NixOS
   rust_latest = prev.rust-bin.stable.latest.default;
+  golang_latest = prev.go-bin.latestStable;
+  buildGoModuleLatest = prev.buildGoModule.override {
+    go = golang_latest;
+  };
   myRustPlatform = prev.makeRustPlatform {
     cargo = rust_latest;
     rustc = rust_latest;
@@ -62,4 +65,53 @@ in {
   #     "-X github.com/derailed/k9s/version.BuildSource=nix"
   #   ];
   # });
+
+  ghDashLatest = (prev.gh-dash.override {
+    buildGoModule = buildGoModuleLatest;
+  }).overrideAttrs (oldAttrs: rec {
+    version = "4.23.2";
+    src = prev.fetchFromGitHub {
+      owner = "dlvhdr";
+      repo = "gh-dash";
+      rev = "v${version}";
+      hash = "sha256-C06LPVoE23ITJpMG0x75Djgeup+eb5uYwA8wL7xxvWU=";
+    };
+
+    vendorHash = "sha256-4AbeoH0l7eIS7d0yyJxM7+woC7Q/FCh0BOJj3d1zyX4=";
+    doCheck = false;
+    checkFlags = [
+      "-skip=TestFullOutput"
+    ];
+
+    ldflags = [
+      "-s"
+      "-w"
+      "-X github.com/dlvhdr/gh-dash/v4/cmd.Version=${version}"
+    ];
+
+    passthru = (oldAttrs.passthru or {}) // {
+      tests = {
+        version = oldAttrs.testers.testVersion { package = final.ghDashLatest; };
+      };
+    };
+  });
+
+  diffNavLatest = (prev.diffnav.override {
+    buildGoModule = buildGoModuleLatest;
+  }).overrideAttrs (_: rec {
+    version = "0.10.0";
+    src = prev.fetchFromGitHub {
+      owner = "dlvhdr";
+      repo = "diffnav";
+      rev = "v${version}";
+      hash = "sha256-6VtAQzZNLQrf8QYVXxLUgb3F6xguFDbwaE9kahPhbSE=";
+    };
+
+    vendorHash = "sha256-gmmckzR0D1oFuTG5TAb6gLMoNbcZl9EsjbFjhPfJqnQ=";
+
+    ldflags = [
+      "-s"
+      "-w"
+    ];
+  });
 }