modules: add git module

flake.lock

@@ -101,11 +101,11 @@
     "gitsigns-nvim": {
       "flake": false,
       "locked": {
-        "lastModified": 1695571272,
-        "narHash": "sha256-VJCtDnPSo5RgSC+czSIOvqGhpUT0dzvCzbLtup+Ctyo=",
+        "lastModified": 1713620636,
+        "narHash": "sha256-UK3DyvrQ0kLm9wrMQ6tLDoDunoThbY/Yfjn+eCZpuMw=",
         "owner": "lewis6991",
         "repo": "gitsigns.nvim",
-        "rev": "bdeba1cec3faddd89146690c10b9a87949c0ee66",
+        "rev": "035da036e68e509ed158414416c827d022d914bd",
         "type": "github"
       },
       "original": {
@@ -213,11 +213,11 @@
     },
     "nix2lua": {
       "locked": {
-        "lastModified": 1713368896,
-        "narHash": "sha256-ivvxVxSpuri8rYP3FVdcxSRrabejAz6iAQvXqdzEGLc=",
+        "lastModified": 1713641247,
+        "narHash": "sha256-UDAxwO1vSkaPtmby04xjiHq5dxd03IBD3lkpFKYlV7Q=",
         "ref": "refs/heads/main",
-        "rev": "98eaf7a9c2a7e608387debeca8f403885fbec0e4",
-        "revCount": 29,
+        "rev": "8c4f3ca834ef7c07c9e3be3e006d7395c69a176c",
+        "revCount": 36,
         "type": "git",
         "url": "https://git.pleshevski.ru/mynix/nix2lua"
       },

flake.nix

@@ -242,7 +242,7 @@
 
         minimalNeovim = mkNeovim pkgs;
 
-        recommendedNeovim = minimalNeovim.override (prev: {
+        allNeovim = minimalNeovim.override (prev: {
           modules = {
             catppuccin = { };
             nvim-tree-lua = {
@@ -256,16 +256,17 @@
               ];
             };
             nvim-treesitter = { };
+            git = { };
           };
 
           plugins = with prev.nix2lua.lib; {
-            lualine-nvim = pipe [
+            lualine-nvim = pipe1
               (require "lualine")
-              (call "setup" [{
+              (call "setup" {
                 options.ignore_focus = [ "NvimTree" ];
                 sections = {
                   lualine_a = [
-                    [ "filename" (namedField "path" 1) ]
+                    [ "filename" (nf "path" 1) ]
                   ];
                   lualine_b = [ "branch" "diff" "diagnostics" ];
                   lualine_c = [ "lsp_progress" ];
@@ -273,51 +274,14 @@
                   lualine_y = [ "progress" ];
                   lualine_z = [ "location" "mode" ];
                 };
-              }])
-            ];
+              });
           };
         });
 
-        fullNeovim = recommendedNeovim.override {
-          plugins = recommendedNeovim.plugins // (with minimalNeovim.nix2lua; {
-            lspSaga.settings = {
-              border_style = "rounded";
-              symbol_in_winbar.enable = false;
-              code_action_lightbulb.enable = false;
-              code_action_keys = { quit = "<Esc>"; };
-              definition_action_keys = { quit = "<Esc>"; };
-              rename_action_quit = "<C-c>";
-            };
-            lspConfig = {
-              servers = {
-                nil_ls = { };
-                tsserver = { };
-                eslint = { };
-                denols = {
-                  root_dir = mkLuaRaw "root_pattern(\"deno.json\", \"deno.jsonc\")";
-                };
-                rust_analyzer = {
-                  settings.rust-analyzer = {
-                    "server.path" = "rust-analyzer";
-                    "updates.prompt" = false;
-                    "updates.checkOnStartup" = false;
-                    "checkOnSave.enable" = true;
-                    "checkOnSave.command" = "clippy";
-                    "cargo.autoreload" = true;
-                  };
-                };
-              };
-            };
-            tabbyml.enable = true;
-          });
-        };
-
         packages = {
-          # default = recommendedNeovim;
-          # full = fullNeovim;
           minimal = minimalNeovim;
 
-          recommended = recommendedNeovim;
+          all = allNeovim;
         };
       in
       {

lib.nix

@@ -1,7 +0,0 @@
-{ lib, substituteAll, ... }:
-
-let
-  readSubFile = src: params: builtins.readFile
-    (substituteAll (params // { inherit src; }));
-in
-lib // { inherit readSubFile substituteAll; }

lib/vim.nix

@@ -0,0 +1,34 @@
+{ nix2lua }:
+
+with nix2lua.lib;
+{
+  fn.isdirectory = file: call1 "vim.fn.isdirectory" (var file);
+
+  cmd.cd = file: call1 "vim.cmd.cd" (var file);
+
+  keymap.set = { mode, bind, command, opts ? { } }:
+    call "vim.keymap.set" [ mode bind command opts ];
+
+  /*
+    Parameters:
+    - {event} (string|array) Event(s) that will trigger the handler (callback or command).
+    - {opts} Options dict:
+      - group (string|integer) optional: autocommand group name or id to match against.
+      - pattern (string|array) optional: pattern(s) to match literally autocmd-pattern.
+      - buffer (integer) optional: buffer number for buffer-local autocommands autocmd-buflocal. Cannot be used with {pattern}.
+      - desc (string) optional: description (for documentation and troubleshooting).
+      - callback (function|string) optional: Lua function (or Vimscript function name, if string) called when the event(s) is triggered. Lua callback can return a truthy value (not false or nil) to delete the autocommand. Receives a table argument with these keys:
+      - id: (number) autocommand id
+      - event: (string) name of the triggered event autocmd-events
+      - group: (number|nil) autocommand group id, if any
+      - match: (string) expanded value of <amatch>
+      - buf: (number) expanded value of <abuf>
+      - file: (string) expanded value of <afile>
+      - data: (any) arbitrary data passed from nvim_exec_autocmds()
+      - command (string) optional: Vim command to execute on event. Cannot be used with {callback}
+      - once (boolean) optional: defaults to false. Run the autocommand only once autocmd-once.
+      - nested (boolean) optional: defaults to false. Run nested autocommands autocmd-nested.
+   */
+  api.nvim_create_autocmd = event: opts:
+    call "vim.api.nvim_create_autocmd" [ event opts ];
+}

modules/catppuccin.nix

@@ -7,7 +7,7 @@ with nix2lua.lib;
 {
   catppuccin = [
     (set "vim.g.catppuccin_flavour" flavour)
-    (pipe [ (require "catppuccin") (call "setup" [ ]) ])
-    (call "vim.cmd" [ "colorscheme catppuccin" ])
+    (pipe1 (require "catppuccin") (call0 "setup"))
+    (call "vim.cmd" "colorscheme catppuccin")
   ];
 }

modules/git.nix

@@ -0,0 +1,53 @@
+{ nix2lua, vim, lib, ... }:
+
+with nix2lua.lib;
+
+{ configs ? { }
+, keymaps ? [
+    { mode = "n"; bind = "]h"; command = raw "next_hunk"; }
+    { mode = "n"; bind = "[h"; command = raw "prev_hunk"; }
+    { mode = "n"; bind = "<leader>gs"; command = raw "gs.stage_hunk"; }
+    { mode = "n"; bind = "<leader>gr"; command = raw "gs.reset_hunk"; }
+    { mode = "n"; bind = "<leader>gu"; command = raw "gs.undo_stage_hunk"; }
+    { mode = "n"; bind = "<leader>gp"; command = raw "gs.preview_hunk"; }
+    { mode = "n"; bind = "<leader>gb"; command = lambda0 (call "gs.blame_line" { full = true; }); }
+    { mode = "n"; bind = "<leader>gd"; command = raw "gs.diffthis"; }
+    { mode = "n"; bind = "<leader>gD"; command = lambda0 (call "gs.diffthis" "~"); }
+    { mode = "n"; bind = "<leader>gtb"; command = raw "gs.toggle_current_line_blame"; }
+    { mode = "n"; bind = "<leader>gtd"; command = raw "gs.toggle_deleted"; }
+  ]
+}:
+
+let
+  bufferedKeymaps = map (args: lib.recursiveUpdate args { opts.buffer = var "bufnr"; }) keymaps;
+in
+{
+  gitsigns-nvim = [
+    (local (func "on_attach" [ "bufnr" ] (
+      [
+        (local (set "gs" (var "package.loaded.gitsigns")))
+
+        (local (func0 "next_hunk"
+          (ifelse (var "vim.wo.diff")
+            (call1 "vim.cmd.normal" [ "]h" (nf "bang" true) ])
+            (call1 "gs.nav_hunk" "next")
+          )
+        ))
+        (local (func0 "prev_hunk"
+          (ifelse (var "vim.wo.diff")
+            (call1 "vim.cmd.normal" [ "[h" (nf "bang" true) ])
+            (call1 "gs.nav_hunk" "prev"))
+        ))
+      ]
+      ++ map vim.keymap.set bufferedKeymaps
+    )))
+
+    (pipe1
+      (require "gitsigns")
+      (call "setup" (configs // {
+        on_attach = var "on_attach";
+      }))
+    )
+  ];
+
+}

modules/nvim-tree-lua.nix

@@ -1,4 +1,4 @@
-{ nix2lua, ... }:
+{ nix2lua, vim, ... }:
 
 { configs ? { }
 , keymaps ? [
@@ -8,17 +8,13 @@
 }:
 
 with nix2lua.lib;
-let
-  vimKeymapSet = { mode, bind, command }: call "vim.keymap.set" [ mode bind command ];
-
-  isEmptyVar = name: eq "" (var name);
-in
+let isEmptyVar = name: eq "" (var name); in
 {
   nvim-web-devicons = true;
 
   nvim-tree-lua = (
     [
-      (pipe [ (require "nvim-tree") (call "setup" [ configs ]) ])
+      (pipe1 (require "nvim-tree") (call "setup" configs))
 
       (local (func "open_nvim_tree" [ "data" ] [
         # buffer is a [No Name]
@@ -31,27 +27,24 @@ in
 
         # buffer is a directory
         (local (set "isDirectory"
-          (eq 1 (var "vim.fn.isdirectory(data.file)"))
+          (eq 1 (vim.fn.isdirectory "data.file"))
         ))
 
-        (if' (not (and (var "isNoNameBuffer") (var "isDirectory"))) [
+        (if' (not (and (var "isNoNameBuffer") (var "isDirectory")))
           return_void
-        ])
+        )
 
         # change to the directory
-        (if' (var "isDirectory") [
-          (call "vim.cmd.cd" [ (var "data.file") ])
-        ])
+        (if' (var "isDirectory")
+          (vim.cmd.cd "data.file")
+        )
 
         # open the tree
-        (pipe [ (require "nvim-tree.api") (call "tree.open" [ ]) ])
+        (pipe1 (require "nvim-tree.api") (call0 "tree.open"))
       ]))
 
-      (call "vim.api.nvim_create_autocmd" [
-        [ "VimEnter" ]
-        { callback = var "open_nvim_tree"; }
-      ])
+      (vim.api.nvim_create_autocmd [ "VimEnter" ] { callback = var "open_nvim_tree"; })
     ]
-    ++ (map vimKeymapSet keymaps)
+    ++ (map vim.keymap.set keymaps)
   );
 }

modules/nvim-treesitter.nix

@@ -1,4 +1,4 @@
-{ nix2lua, pkgs }:
+{ nix2lua, pkgs, ... }:
 
 let
   defaultGrammars = g: [
@@ -191,18 +191,18 @@ in
 
   nvim-treesitter = [
     (local (set "parser_config"
-      (pipe [ (require "nvim-treesitter.parsers") (call "get_parser_configs" [ ]) ])
+      (pipe1 (require "nvim-treesitter.parsers") (call0 "get_parser_configs"))
     ))
     (set "parser_config.d2" { })
 
-    (pipe [
+    (pipe1
       (require "nvim-treesitter.configs")
-      (call "setup" [{
+      (call "setup" {
         ensure_installed = { };
         sync_install = false;
         highlight.enable = true;
         indent.enable = true;
-      }])
-    ])
+      })
+    )
   ];
 }

neovim.nix

@@ -31,7 +31,10 @@ let
   plugins = mergeAttrs plugins';
   modules = mergeAttrs modules';
 
-  importModule = moduleName: import (./modules + "/${moduleName}.nix") { inherit nix2lua pkgs; };
+  vim = import ./lib/vim.nix { inherit nix2lua; };
+
+  importModule = moduleName:
+    import (./modules + "/${moduleName}.nix") { inherit nix2lua pkgs vim lib; };
   allModules = mergeAttrs (lib.mapAttrsToList importModule modules);
 
   # Type: excludeOverride :: AttrSet -> AttrSet
@@ -56,7 +59,7 @@ let
     "-- Plugin: ${builtins.trace "Plugin: ${name}" name}\n"
     + (if lib.isString cfg then cfg
     else if lib.isAttrs cfg && cfg ? _type then toLua cfg
-    else if lib.isList cfg then toLua (concatLines cfg)
+    else if lib.isList cfg then toLua (spaceBetween cfg)
     else if lib.isBool cfg then "" # Just skip lua config. Only enable the plugin.
     else abort "[neovim] mkPluginLuaConfig: '${name}' has unsupported type '${builtins.typeOf cfg}'");
   pluginLuaConfigs = lib.mapAttrsToList mkPluginLuaConfig pluginsWithModules;
@@ -68,7 +71,11 @@ let
   /*
     Type: mkLuaHeredoc :: string -> string
   */
-  mkLuaHeredoc = content: lib.concatLines [ "lua << EOF" content "EOF" ];
+  mkLuaHeredoc = content: ''
+    lua << EOF
+    ${content}
+    EOF
+  '';
 
   /*
     Type: mkLuaRc :: [string] -> string