dev: rebase on a less personalized neovim flake

modules/git/config.nix

@@ -0,0 +1,14 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+with lib; {
+  config = {
+    vim.git = {
+      enable = mkDefault false;
+      gitsigns.enable = mkDefault false;
+    };
+  };
+}

modules/git/default.nix

@@ -0,0 +1,11 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: {
+  imports = [
+    ./config.nix
+    ./git.nix
+  ];
+}

modules/git/git.nix

@@ -0,0 +1,69 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+with lib;
+with builtins; let
+  cfg = config.vim.git;
+in {
+  options.vim.git = {
+    enable = mkOption {
+      type = types.bool;
+      description = "Enable git plugins";
+    };
+
+    gitsigns.enable = mkOption {
+      type = types.bool;
+      description = "Enable git options";
+    };
+  };
+
+  config =
+    mkIf cfg.enable
+    (
+      let
+        mkVimBool = val:
+          if val
+          then "1"
+          else "0";
+      in {
+        vim.startPlugins =
+          if (cfg.gitsigns.enable)
+          then ["gitsigns-nvim"]
+          else [];
+
+        vim.luaConfigRC.gitsigns = mkIf (cfg.gitsigns.enable) (nvim.dag.entryAnywhere ''
+          -- GitSigns setup
+          require('gitsigns').setup {
+            keymaps = {
+              noremap = true,
+
+              ['n <leader>gn'] = { expr = true, "&diff ? \'\' : '<cmd>Gitsigns next_hunk<CR>'"},
+              ['n <leader>gp'] = { expr = true, "&diff ? \'\' : '<cmd>Gitsigns prev_hunk<CR>'"},
+
+              ['n <leader>gs'] = '<cmd>Gitsigns stage_hunk<CR>',
+              ['v <leader>gs'] = ':Gitsigns stage_hunk<CR>',
+              ['n <leader>gu'] = '<cmd>Gitsigns undo_stage_hunk<CR>',
+              ['n <leader>gr'] = '<cmd>Gitsigns reset_hunk<CR>',
+              ['v <leader>gr'] = ':Gitsigns reset_hunk<CR>',
+              ['n <leader>gR'] = '<cmd>Gitsigns reset_buffer<CR>',
+              ['n <leader>gp'] = '<cmd>Gitsigns preview_hunk<CR>',
+              ['n <leader>gb'] = '<cmd>lua require"gitsigns".blame_line{full=true}<CR>',
+              ['n <leader>gS'] = '<cmd>Gitsigns stage_buffer<CR>',
+              ['n <leader>gU'] = '<cmd>Gitsigns reset_buffer_index<CR>',
+              ['n <leader>gts'] = ':Gitsigns toggle_signs<CR>',
+              ['n <leader>gtn'] = ':Gitsigns toggle_numhl<CR>',
+              ['n <leader>gtl'] = ':Gitsigns toggle_linehl<CR>',
+              ['n <leader>gtw'] = ':Gitsigns toggle_word_diff<CR>',
+
+              -- Text objects
+              ['o ih'] = ':<C-U>Gitsigns select_hunk<CR>',
+              ['x ih'] = ':<C-U>Gitsigns select_hunk<CR>'
+            },
+          }
+        '');
+      }
+    );
+}