diff --git a/flake.lock b/flake.lock
index 82612d8..b6cb642 100644
--- a/flake.lock
+++ b/flake.lock
@@ -28,11 +28,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1734093295,
-        "narHash": "sha256-hSwgGpcZtdDsk1dnzA0xj5cNaHgN9A99hRF/mxMtwS4=",
+        "lastModified": 1736013363,
+        "narHash": "sha256-P4lsS2Y5GzBfC8OfXtD/xWEucX6oHGTjOzjEjEJbXfc=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "66c5d8b62818ec4c1edb3e941f55ef78df8141a8",
+        "rev": "0d7908bd09165db6699908b7e3970f137327cbf0",
         "type": "github"
       },
       "original": {
@@ -48,11 +48,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1733570843,
-        "narHash": "sha256-sQJAxY1TYWD1UyibN/FnN97paTFuwBw3Vp3DNCyKsMk=",
+        "lastModified": 1736002328,
+        "narHash": "sha256-anoVvML2D+nLfHlBfhEcCMjTou/9SRrrlqQN+Ug39ws=",
         "owner": "LnL7",
         "repo": "nix-darwin",
-        "rev": "a35b08d09efda83625bef267eb24347b446c80b8",
+        "rev": "a464e5ba8cfb10a81599dbd422f30f5d37997916",
         "type": "github"
       },
       "original": {
@@ -63,11 +63,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1734119587,
-        "narHash": "sha256-AKU6qqskl0yf2+JdRdD0cfxX4b9x3KKV5RqA6wijmPM=",
+        "lastModified": 1735834308,
+        "narHash": "sha256-dklw3AXr3OGO4/XT1Tu3Xz9n/we8GctZZ75ZWVqAVhk=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "3566ab7246670a43abd2ffa913cc62dad9cdf7d5",
+        "rev": "6df24922a1400241dae323af55f30e4318a6ca65",
         "type": "github"
       },
       "original": {
@@ -79,11 +79,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1734119587,
-        "narHash": "sha256-AKU6qqskl0yf2+JdRdD0cfxX4b9x3KKV5RqA6wijmPM=",
+        "lastModified": 1735834308,
+        "narHash": "sha256-dklw3AXr3OGO4/XT1Tu3Xz9n/we8GctZZ75ZWVqAVhk=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "3566ab7246670a43abd2ffa913cc62dad9cdf7d5",
+        "rev": "6df24922a1400241dae323af55f30e4318a6ca65",
         "type": "github"
       },
       "original": {
@@ -100,11 +100,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1734313665,
-        "narHash": "sha256-aRhBY3xl7CVlXXtMI7ryjscdsoJItw75hhQJ7sZK49g=",
+        "lastModified": 1735998325,
+        "narHash": "sha256-4Zh6FUTQSbAfalbPyrzRTH0GTapf9/qlCEs2OaejFJQ=",
         "owner": "nix-community",
         "repo": "nur",
-        "rev": "3d3b39dbfb201d65fb8c2ee2a0cf6b1ada87a8dc",
+        "rev": "867df4df63ec4f24b79aa6ea97805e2d5efd376a",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 4844383..47d4fd2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,7 +28,7 @@
         config:
         { ... }:
         {
-          nixpkgs.overlays = [ nur.overlay ];
+          nixpkgs.overlays = [ nur.overlays.default ];
           imports = [
             config
           ];
diff --git a/home.nix b/home.nix
index b0bd782..6184fdc 100644
--- a/home.nix
+++ b/home.nix
@@ -37,9 +37,9 @@
       cmake
       coursier
       curlFull
-      delta
       deno
       devenv
+      difftastic
       discord
       dua
       fd
@@ -170,6 +170,7 @@
     enable = true;
     settings = {
       theme = "tokyonight";
+      editor.file-picker.hidden = false;
     };
   };
 
@@ -185,48 +186,6 @@
     enable = true;
   };
 
-  programs.jujutsu = {
-    enable = true;
-    settings = {
-      signing = {
-        key = "~/.ssh/id_ed25519.pub";
-      };
-      user = {
-        name = "Salar Rahmanian";
-        email = "code@softinio.com";
-      };
-      aliases = {
-        l = [
-          "log"
-          "-r"
-          "(main..@):: | (main..@)-"
-        ];
-      };
-      ui = {
-        diff.format = "git";
-        diff.tool = [
-          "delta"
-          "--color-only"
-          "--hyperlinks"
-          "--line-numbers"
-          "--side-by-side"
-          "$left"
-          "$right"
-        ];
-        editor = "nvim";
-        merge-editor = [
-          "meld"
-          "$left"
-          "$base"
-          "$right"
-          "-o"
-          "$output"
-        ];
-        pager = "delta";
-      };
-    };
-  };
-
   programs.lazygit = {
     enable = true;
   };
diff --git a/programs/default.nix b/programs/default.nix
index de08b9e..ea6a78f 100644
--- a/programs/default.nix
+++ b/programs/default.nix
@@ -2,6 +2,7 @@
   ./broot
   ./fish
   ./git
+  ./jujutsu
   ./tmux
   ./wezterm
   ./vscode
diff --git a/programs/git/default.nix b/programs/git/default.nix
index cec6e9e..fa25b40 100644
--- a/programs/git/default.nix
+++ b/programs/git/default.nix
@@ -4,16 +4,15 @@ let
   gitConfig = {
     core = {
       editor = "nvim";
-      pager = "delta";
-    };
-    delta = {
-      "line-numbers" = true;
-      "hyperlinks" = true;
-      "side-by-side" = true;
     };
     diff = {
       colorMoved = "default";
-      tool = "nvim";
+      external = "difft";
+      tool = "difftastic";
+    };
+    difftool.difftastic = {
+      cmd = "difft \"$MERGED\" \"$LOCAL\" \"abcdef1\" \"100644\" \"$REMOTE\" \"abcdef2\" \"100644\"";
+      prompt = false;
     };
     difftool.nvim = {
       cmd = "nvim -d \"$LOCAL\" \"$REMOTE\"";
@@ -21,24 +20,24 @@ let
     };
     fetch.prune = true;
     init.defaultBranch = "main";
-    interactive = {
-      diffFilter = "delta --color-only";
-    };
-    merge.conflictstyle = "diff3";
+    merge.conflictstyle = "zdiff3";
     merge.tool = "nvim";
     mergetool.nvim = {
       cmd = "nvim -d -c \"wincmd l\" -c \"norm ]c\" \"$LOCAL\" \"$MERGED\" \"$REMOTE\"";
       prompt = false;
       keepBackup = false;
     };
-    # url = {
-    #   "git@github.com:" = {
-    #     insteadOf = "https://github.com/";
-    #   };
-    # };
+    pager = {
+      difftool = true;
+    };
     pull = {
       rebase = true;
     };
+    url = {
+      "git@github.com:" = {
+        insteadOf = "https://github.com/";
+      };
+    };
   };
   myAliases = {
     ci = "commit";
@@ -53,7 +52,6 @@ let
     st = "status";
   };
   myIgnores = [
-    "*~"
     ".DS_Store"
     "*.bloop"
     ".direnv/"
diff --git a/programs/jujutsu/default.nix b/programs/jujutsu/default.nix
new file mode 100644
index 0000000..18f6a01
--- /dev/null
+++ b/programs/jujutsu/default.nix
@@ -0,0 +1,44 @@
+{ ... }:
+let
+  MyAliases = {
+    l = [
+      "log"
+      "-r"
+      "(main..@):: | (main..@)-"
+    ];
+  };
+in
+{
+  programs.jujutsu = {
+    enable = true;
+    settings = {
+      aliases = MyAliases;
+      signing = {
+        key = "~/.ssh/id_ed25519.pub";
+      };
+      ui = {
+        diff.format = "git";
+        diff.tool = [
+          "difft"
+          "--color=always"
+          "$left"
+          "$right"
+        ];
+        editor = "nvim";
+        merge-editor = [
+          "meld"
+          "$left"
+          "$base"
+          "$right"
+          "-o"
+          "$output"
+        ];
+        pager = "less -FRX";
+      };
+      user = {
+        name = "Salar Rahmanian";
+        email = "code@softinio.com";
+      };
+    };
+  };
+}
diff --git a/programs/zed/default.nix b/programs/zed/default.nix
index b551409..40a4f30 100644
--- a/programs/zed/default.nix
+++ b/programs/zed/default.nix
@@ -16,9 +16,33 @@ in
     enable = true;
     extensions = myextensions;
     userSettings = {
+      assistant = {
+        version = "2";
+        default_model = {
+          provider = "copilot_chat";
+          model = "gpt-4o";
+        };
+      };
       features = {
         copilot = true;
       };
+      language_models = {
+        openai = {
+          available_models = [
+            {
+              provider = "openai";
+              name = "gpt-4o";
+              max_tokens = 128000;
+            }
+            {
+              provider = "openai";
+              name = "gpt-4o-mini";
+              max_tokens = 128000;
+            }
+          ];
+          version = "2";
+        };
+      };
       telemetry.metrics = false;
       theme = "Andromeda";
       vim_mode = true;