add: diffnav, gh-dash, lazygit, k9s overrides

these are all overlays that were part of my nix config before i created
my nur. i am putting them here to reduce build time when building my nix
config

overlays/default.nix

@@ -3,4 +3,8 @@ prev.lib.composeManyExtensions [
   (import ./atuin.nix)
   (import ./container.nix)
   (import ./cliamp.nix)
+  (import ./diffnav.nix)
+  (import ./gh-dash.nix)
+  (import ./lazygit.nix)
+  (import ./k9s.nix)
 ] final prev

overlays/diffnav.nix

@@ -0,0 +1,25 @@
+final: prev: let
+  golang_latest = prev.go-bin.latestStable;
+  buildGoModuleLatest = prev.buildGoModule.override {
+    go = golang_latest;
+  };
+in {
+   diffNavLatest = (prev.diffnav.override {
+    buildGoModule = buildGoModuleLatest;
+  }).overrideAttrs (_: rec {
+    version = "0.12.0";
+    src = prev.fetchFromGitHub {
+      owner = "dlvhdr";
+      repo = "diffnav";
+      rev = "v${version}";
+      hash = "sha256-6VtAQzZNLQrf8QYVXxLUgb3F6xguFDbwaE9kahPhbSE=";
+    };
+
+    vendorHash = "sha256-gmmckzR0D1oFuTG5TAb6gLMoNbcZl9EsjbFjhPfJqnQ=";
+
+    ldflags = [
+      "-s"
+      "-w"
+    ];
+  }); 
+}

overlays/gh-dash.nix

@@ -0,0 +1,36 @@
+final: prev: let
+  golang_latest = prev.go-bin.latestStable;
+  buildGoModuleLatest = prev.buildGoModule.override {
+    go = golang_latest;
+  };
+in {
+ ghDashLatest = (prev.gh-dash.override {
+    buildGoModule = buildGoModuleLatest;
+  }).overrideAttrs (oldAttrs: rec {
+    version = "4.25.2";
+    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; };
+      };
+    };
+  });
+}

overlays/k9s.nix

@@ -0,0 +1,16 @@
+final: prev: {
+  k9sLatest = prev.k9s.overrideAttrs (oldAttrs: rec {
+    version = "0.51.0";
+    src = prev.fetchFromGitHub {
+      owner = "derailed";
+      repo = "k9s";
+      rev = "v${version}";
+      hash = "sha256-1z6r6v3n1p6vd2q6n4pl5q3f7q3q7q1p7j5j1k3l4m5n6o7p8q9r";
+    };
+
+    ldflags = [
+      "-X github.com/derailed/k9s/version.Version=${version}"
+      "-X github.com/derailed/k9s/version.BuildSource=nix"
+    ];
+  });
+}

overlays/lazygit.nix

@@ -0,0 +1,18 @@
+final: prev: {
+    lazygitLatest = prev.lazygit.overrideAttrs (_: rec {
+    version = "0.64.1";
+    src = prev.fetchFromGitHub {
+      owner = "jesseduffield";
+      repo = "lazygit";
+      rev = "v${version}";
+      hash = "sha256-G7JulCK9WUVWbp1V7lYuM3fehCdn1cNAJHYjr3aKDvQ=";
+    };
+
+    vendorHash = null;
+    subPackages = [ "." ];
+    ldflags = [
+      "-X main.version=${version}"
+      "-X main.buildSource=nix"
+    ];
+  });
+}