setup copilot inline suggestions + chat

config/default.nix

@@ -9,6 +9,7 @@
 
     # Completion
     ./plugins/cmp/cmp.nix
+    ./plugins/cmp/copilot.nix
 
     # Debug Adapter Protocol
     ./plugins/dap/dap.nix
@@ -39,6 +40,7 @@
     ./plugins/git/lazygit.nix
 
     # Utils
+    ./plugins/utils/copilot-chat.nix
     ./plugins/utils/markdown-preview.nix
     ./plugins/utils/render-markdown.nix
     ./plugins/utils/oil.nix

config/options.nix

@@ -9,6 +9,7 @@
     conceallevel = 1;
     updatetime=100;
     undofile = true;
+    splitright = true;
 
     # Tabs & Spaces
     tabstop = 2;

config/plugins/cmp/cmp.nix

@@ -40,7 +40,7 @@
         "<Up>" =
           # Lua
           "cmp.mapping(cmp.mapping.select_prev_item({behavior = cmp.SelectBehavior.Select}), {'i', 's'})";
-        "<Tab>" =
+        "<cr>" =
           # Lua
           "cmp.mapping.confirm({ select = true, behavior = cmp.ConfirmBehavior.Replace })";
       };

config/plugins/cmp/copilot.nix

@@ -0,0 +1,44 @@
+{...}: {
+  plugins.copilot-vim = {
+    enable = true;
+    settings = {
+      # Disable Copilot by default.
+      enabled = 0;
+      # Use the following workspace folders to improve suggestions.
+      workspace_folders = [
+        "/home/sajenim/.repositories/personal"
+      ];
+    };
+  };
+
+  keymaps = [
+    { 
+      mode = ["n" "v"];
+      key = "<leader>c";
+      action = "<Nop>";
+      options = {
+        desc = "+copilot";
+      };
+    }
+ 
+    {
+      mode = ["n"];
+      key = "<leader>ce"; 
+      action = "<cmd>Copilot enable<cr>";
+      options = {
+        silent = true;
+        desc = "Enable inline suggestions";
+      };
+    }
+  
+    {
+      mode = ["n"];
+      key = "<leader>cd";
+      action = "<cmd>Copilot disable<cr>";
+      options = {
+        silent = true;
+        desc = "Disable inline suggestions";
+      };
+    }
+  ];
+}

config/plugins/utils/copilot-chat.nix

@@ -0,0 +1,59 @@
+{ ... }: {
+  plugins.copilot-chat = {
+    enable = true;
+
+    # Copilot Chat settings.
+    settings = {
+      # Model to use for Copilot Chat.
+      model = "gpt-4.1";
+      # Window settings for Copilot Chat.
+      window = {
+        # Width of the chat window.
+        width = 0.3;
+      };
+    };
+  };
+
+  # Keymaps for Copilot Chat.
+  keymaps = [
+    {
+      mode = ["n"];
+      key = "<leader>ct";
+      action = "<cmd>CopilotChatToggle<cr>";
+      options = {
+        silent = true;
+        desc = "Toggle chat";
+      };
+    }
+
+    {
+      mode = ["n"];
+      key = "<leader>cp";
+      action = "<cmd>CopilotChatPrompts<cr>";
+      options = {
+        silent = true;
+        desc = "Select prompt";
+      };
+    }
+
+    {
+      mode = ["n"];
+      key = "<leader>cm";
+      action = "<cmd>CopilotChatModels<cr>";
+      options = {
+        silent = true;
+        desc = "Select model";
+      };
+    }
+
+    {
+      mode = ["n"];
+      key = "<leader>ca";
+      action = "<cmd>CopilotChatAgents<cr>";
+      options = {
+        silent = true;
+        desc = "Select agent";
+      };
+    }
+  ];
+}

config/plugins/utils/telescope.nix

@@ -8,6 +8,10 @@
       fzf-native = {
         enable = true;
       };
+      # Enable telescope UI select.
+      ui-select = {
+        enable = true;
+      };
     };
 
     # Configure telescope settings.

flake.nix

@@ -25,10 +25,14 @@
         system,
         ...
       }: let
+        pkgsWithUnfree = import inputs.nixpkgs {
+          inherit system;
+          config.allowUnfree = true;
+        };
         nixvimLib = nixvim.lib.${system};
         nixvim' = nixvim.legacyPackages.${system};
         nixvimModule = {
-          inherit pkgs;
+          pkgs = pkgsWithUnfree;
           module = import ./config; # import the module directly
           # You can use `extraSpecialArgs` to pass additional arguments to your module files
           extraSpecialArgs = {