feat: remove diffview and adjust Neogit config

flake.nix

@@ -156,7 +156,6 @@
               mini-bufremove
               neogit
               gitsigns-nvim
-              diffview-nvim
               barbecue-nvim
               undotree
               conform-nvim

lua/plugins/lz-spec.lua

@@ -12,6 +12,7 @@ return {
   require("plugins.render-markdown"),
   require("plugins.toggleterm"),
   require("plugins.by-lang.latex"),
+  require("plugins.neogit"),
   { "vim-wakatime" },
   { "clangd_extensions.nvim" },
   { "vim-sleuth" },
@@ -154,46 +155,6 @@ return {
       require("mini.hipatterns").setup()
     end,
   },
-  {
-    "neogit",
-    cmd = "Neogit",
-    keys = {
-      {
-        "<leader>gg",
-        function()
-          vim.cmd.Neogit()
-        end,
-        desc = "Open neogit",
-        mode = "n",
-      },
-      {
-        "<leader>gc",
-        function()
-          vim.cmd.Neogit("kind=floating commit")
-        end,
-        desc = "Open neogit commit menu",
-        mode = "n",
-      },
-    },
-    before = function()
-      local lz = require("lz.n")
-      lz.trigger_load("diffview.nvim")
-      lz.trigger_load("telescope.nvim")
-    end,
-    after = function()
-      require("neogit").setup({
-        graph_style = "unicode",
-        integrations = {
-          telescope = true,
-          diffview = true,
-        },
-      })
-    end,
-  },
-  {
-    "diffiew.nvim",
-    cmd = { "DiffviewOpen", "DiffviewClose", "DiffviewToggleFiles", "DiffviewFocusFiles", "DiffviewRefresh" },
-  },
   {
     "barbecue.nvim",
     event = "BufEnter",

lua/plugins/neogit.lua

@@ -0,0 +1,42 @@
+return {
+  "neogit",
+  cmd = "Neogit",
+  keys = {
+    {
+      "<leader>gg",
+      function()
+        vim.cmd.Neogit()
+      end,
+      desc = "Open neogit",
+      mode = "n",
+    },
+    {
+      "<leader>gc",
+      function()
+        vim.cmd.Neogit("kind=floating commit")
+      end,
+      desc = "Open neogit commit menu",
+      mode = "n",
+    },
+  },
+  before = function()
+    local lz = require("lz.n")
+    lz.trigger_load("telescope.nvim")
+  end,
+  after = function()
+    local function graph_style()
+      if os.getenv("TERM") == "xterm-kitty" then
+        return "kitty"
+      else
+        return "ascii"
+      end
+    end
+    require("neogit").setup({
+      graph_style = graph_style(),
+      integrations = {
+        telescope = true,
+      },
+      kind = "replace",
+    })
+  end,
+}