Onizuka, update neovim config to match update

This merges all the different files into one app.nix using nixvim
instead of the manual home-manager nvim management.

Behavior should be almost unchanged, with the following changes:
- Plugins now have defaults for my own personal sane default experience
- The highlighted line is now 80 instead of 81
- Treesitter plugins may not be integrated correctly

flake.lock

@@ -35,6 +35,27 @@
         "type": "github"
       }
     },
+    "flake-parts_2": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "nixvim",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1769996383,
+        "narHash": "sha256-AnYjnFWgS49RlqX7LrC4uA+sCCDBj0Ry/WOJ5XWAsa0=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "57928607ea566b5db3ad13af0e57e921e6b12381",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -142,6 +163,28 @@
         "type": "github"
       }
     },
+    "nixvim": {
+      "inputs": {
+        "flake-parts": "flake-parts_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1770630823,
+        "narHash": "sha256-5SEmOnJ61vmbap39vzWEsCX5UQ+3Ul8J4mXWKdqSn3w=",
+        "owner": "nix-community",
+        "repo": "nixvim",
+        "rev": "6acc964664ac916c64fe4e394edd467af4d90790",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixvim",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "easy-hosts": "easy-hosts",
@@ -149,6 +192,7 @@
         "home-manager": "home-manager",
         "niri": "niri",
         "nixpkgs": "nixpkgs",
+        "nixvim": "nixvim",
         "silentSDDM": "silentSDDM",
         "sops-nix": "sops-nix"
       }
@@ -193,6 +237,21 @@
         "type": "github"
       }
     },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "xwayland-satellite-stable": {
       "flake": false,
       "locked": {

flake.nix

@@ -25,7 +25,10 @@
           inputs.home-manager.lib.homeManagerConfiguration {
             extraSpecialArgs = { inherit inputs; };
             pkgs = inputs.nixpkgs.legacyPackages.${system};
-            modules = [ ./hmModules ] ++ extraModules;
+            modules = [
+              ./hmModules
+              inputs.nixvim.homeModules.nixvim
+            ] ++ extraModules;
         };
       in {
         "pan@juri" = userConfig "x86_64-linux" [ ./users/juri ];
@@ -79,6 +82,13 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    nixvim = {
+      type = "github";
+      owner = "nix-community";
+      repo = "nixvim";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     sops-nix = {
       type = "github";
       owner = "Mic92";

hmModules/apps/neovim/app.nix

@@ -14,156 +14,212 @@
       catppuccin.enable = lib.mkEnableOption "Enables catppuccin theme";
     };
     plugins = {
-      comments.enable = lib.mkEnableOption "Enables nvim-comment";
+      comments.enable = lib.mkOption { default = true; };
-      fugitive.enable = lib.mkEnableOption "Enables git-fugitive";
+      fugitive.enable = lib.mkOption { default = true; };
-      lualine.enable = lib.mkEnableOption "Enables lualine";
+      lualine.enable = lib.mkOption { default = true; };
-      luasnip.enable = lib.mkEnableOption "Enables luasnip snippets";
+      luasnip.enable = lib.mkOption { default = false; };
-      nvimcmp.enable = lib.mkEnableOption "Enables nvim completion";
+      nvimcmp.enable = lib.mkOption { default = true; };
       telescope = {
-        enable = lib.mkEnableOption "Enables telescope";
+        enable = lib.mkOption { default = true; };
-        fzf.enable = lib.mkEnableOption "Enables telescope-fzf";
+        fzf.enable = lib.mkOption { default = true; };
       };
-      treesitter.enable = lib.mkEnableOption "Enables treesitter";
+      treesitter.enable = lib.mkOption { default = true; };
-      wiki.enable = lib.mkEnableOption "Enables a wiki";
+      wiki.enable = lib.mkOption { default = false; };
     };
   };
 
-  imports = [
-    ./plugin/lsp.nix
-    ./plugin/nvimcmp.nix
-    ./plugin/telescope.nix
-    ./plugin/treesitter.nix
-  ];
-
   config = lib.mkIf config.neovim.enable {
     home.sessionVariables = {
       EDITOR = "nvim";
       VISUAL = "nvim";
     };
 
-    programs.neovim = {
+    programs.nixvim = {
       enable = true;
       viAlias = true;
       vimAlias = true;
-      vimdiffAlias = true;
 
-      extraLuaConfig = ''
+      globals = {
-        ${builtins.readFile ./options.lua}
+        mapleader = " ";
-      '';
+        maplocalleader = " ";
+        rust_recommended_style = 0;
+      };
 
-      extraPackages = with pkgs; [
+      opts = {
-        (lib.mkIf config.neovim.languages.c.enable libclang)
+        list = true;
-        (lib.mkIf config.neovim.languages.go.enable gopls)
+        updatetime = 750;
-        (lib.mkIf config.neovim.languages.nix.enable nil)
+
-        (lib.mkIf config.neovim.languages.rust.enable rust-analyzer)
+        tabstop = 2;
+        softtabstop = 0;
+        shiftwidth = 2;
+        smarttab = true;
+        expandtab = true;
+
+        colorcolumn = "81";
+        showmatch = true;
+        number = true;
+        relativenumber = true;
+
+        swapfile = false;
+        backup = false;
+        undofile = true;
+        undodir = "${config.xdg.configHome}/nvim/undodir";
+
+        smartcase = true;
+      };
+
+      keymaps = [
+        {
+          key = "<leader>d";
+          mode = "n";
+          action = "vim.diagnostic.open_float()";
+        }
+        # -- Easy Split Navigation
+        # -- nnoremap <C-J> <C-W><C-J>
+        # -- nnoremap <C-K> <C-W><C-K>
+        # -- nnoremap <C-L> <C-W><C-L>
+        # -- nnoremap <C-H> <C-W><C-H>
+        #
+        # -- Easy copy and pasting to external programs
+        # -- map <C-y> "+yy
+        # -- map <C-p> "+P
       ];
+    };
 
-      # Additional packages are added through imports
+    programs.nixvim.colorschemes = with config.neovim.themes; {
-      plugins = let
+      catppuccin = lib.mkIf catppuccin.enable {
-        lopts = lib.lists.optionals;
+        enable = true;
-        cfgp = config.neovim.plugins;
+        flavour = "mocha";
-        cfgl = config.neovim.languages;
+        integrations.vimwiki = lib.mkIf wiki.enable true;
-        cfgt = config.neovim.themes;
+      };
+    };
 
-        comments = lopts cfgp.comments.enable (with pkgs.vimPlugins; [
+    programs.nixvim.plugins = with config.neovim.plugins; {
-          {
+      comment.enable = comments.enable;
-            plugin = comment-nvim;
-            type = "lua";
-            config = "require(\"Comment\").setup()";
-          }
-        ]);
 
-        fugitive = lopts cfgp.fugitive.enable (with pkgs.vimPlugins; [
+      fugitive.enable = fugitive.enable;
-          vim-fugitive
-        ]);
 
-        luasnip-pkg = lopts cfgp.luasnip.enable (with pkgs.vimPlugins; [
+      lualine = lib.mkIf lualine.enable {
-          luasnip
+        enable = true;
-          friendly-snippets
+        icons_enabled = true;
-          (lib.mkIf cfgp.nvimcmp.enable cmp_luasnip)
+      };
-        ]);
+      web-devicons.enable = lualine.enable;
 
-        lualine = lopts cfgp.lualine.enable (with pkgs.vimPlugins; [
+      luasnip.enable = luasnip.enable;
-          {
+      friendly-snippets.enable = luasnip.enable;
-            plugin = lualine-nvim;
+
-            type = "lua";
+      cmp = {
-            config = ''
+        enable = nvimcmp.enable;
-              require("lualine").setup {
+        autoEnableSources = true;
-                options = {
+        settings.sources = [
-                  icons_enabled = true,
+          { name = "nvim_lsp"; }
-            '' + lib.strings.optionalString cfgt.catppuccin.enable ''
+          { name = "path"; }
-                  theme = "catppuccin"
+          { name = "buffer"; }
+        ] ++ lib.optional luasnip.enable { name = "cmp-luasnip"; };
+
+        mapping = {
+          "<C-Space>" = "cmp.mapping.complete {}";
+          "<CR>" = "cmp.mapping.confirm {
+            behavior = cmp.ConfirmBehavior.Replace,
+            select = true,
+          }";
+          "<Tab>" = {
+            actions = ''
+              function(fallback)
+                if cmp.visible() then
+                  cmp.select_next_item()
+            '' + lib.optionalString luasnip.enable ''
+                elseif luasnip.expand_or_locally_jumpable() then
+                  luasnip.expand_or_jump()
             '' + ''
-                }
+                else
-              }
+                  fallback()
+                end
+              end
             '';
-          }
+            modes = [ "i" "s" ];
-          nvim-web-devicons
+          };
-        ]);
+          "<S-Tab>" = {
-
+            actions = ''
-        nix-pkg = lopts cfgl.nix.enable (with pkgs.vimPlugins; [
+              function(fallback)
-          vim-nix
+                if cmp.visible() then
-        ]);
+                  cmp.select_prev_item()
-
+            '' + lib.optionalString luasnip.enable ''
-        rust-pkg = lopts cfgl.rust.enable (with pkgs.vimPlugins; [
+                elseif luasnip.locally_jumpable(-1) then
-          {
+                  luasnip.jump(-1)
-            plugin = rustaceanvim;
-            type = "lua";
-            config = ''
-              vim.g.rust_recommended_style = 0
-            '';
-          }
-        ]);
-
-        go-pkg = lopts cfgl.go.enable (with pkgs.vimPlugins; [
-          go-nvim
-        ]);
-
-        typescript-pkg = lopts cfgl.typescript.enable (with pkgs.vimPlugins; [
-          {
-            plugin = typescript-tools-nvim;
-            type = "lua";
-            config = ''
-              require("typescript-tools").setup {}
-            '';
-          }
-        ]);
-
-        catppuccin-pkg = lopts cfgt.catppuccin.enable (with pkgs.vimPlugins; [
-          {
-            plugin = catppuccin-nvim;
-            type = "lua";
-            config = ''
-              vim.cmd.colorscheme "catppuccin-mocha"
-              require('catppuccin').setup({
-                integrations = {
-            '' + lib.strings.optionalString cfgp.wiki.enable ''
-                  vimwiki = true
             '' + ''
-                }
+                else
-              })
+                  fallback()
+                end
+              end
             '';
-          }
+            modes = [ "i" "s" ];
-        ]);
+          };
+        };
+      };
 
-        wiki = lopts cfgp.wiki.enable (with pkgs.vimPlugins; [
+      telescope = {
+        enable = telescope.enable;
+        keymaps = {
+          "<leader>ff" = "find_files";
+          "<leader>fg" = "git_files";
+        };
+        extensions = {
+          fzf = lib.mkIf telescope.fzf.enable {
+            enable = true;
+            fuzzy = true;
+            override_generic_sorter = true;
+            override_file_sorter = true;
+            case_mode = "smart_case";
+          };
+        };
+      };
+
+      treesitter = {
+        enable = treesitter.enable;
+        highlight.enable = true;
+        indent.enable = true;
+        folding.enable = true;
+      };
+
+      vimwiki = {
+        enable = wiki.enable;
+        list = [
           {
-            plugin = vimwiki;
+            path = "${config.xdg.userDirs.documents}/wiki";
-            type = "lua";
+            links_space_char = "_";
-            config = ''
+            ext = ".md";
-              vim.g.vimwiki_list = {
+            syntax = "markdown";
-                {
-                  path = '${config.xdg.userDirs.documents}/wiki',
-                  links_space_char = '_',
-                  ext = '.md',
-                  syntax = 'markdown',
-                }
-              }
-            '';
           }
-        ]);
+        ];
-      in comments ++ fugitive ++ luasnip-pkg ++ lualine ++ nix-pkg ++ rust-pkg
+      };
-      ++ go-pkg ++ wiki ++ catppuccin-pkg ++ typescript-pkg;
+
+      nvim-lspconfig.enable = true;
+      nix.enable = config.neovim.languages.nix.enable;
+      rustaceanvim.enable = config.neovim.languages.rust.enable;
+      typsecript-tools.enable = config.neovim.languages.typescript.enable;
+    };
+
+    programs.nixvim.lsp = {
+      enable = true;
+      servers = with config.neovim.languages; {
+        clangd.enable = c.enable;
+        gopls.enable = go.enable;
+        nil_ls.enable = nix.enable;
+        rust_analyzer.enable = rust.enable;
+        tsserver.enable = typescript.enable;
+      };
+      keymaps = [
+        { key = "gd"; lspBufAction = "definition"; }
+        { key = "gD"; lspBufAction = "declaration"; }
+        { key = "gi"; lspBufAction = "implementation"; }
+        { key = "gt"; lspBufAction = "type_definition"; }
+        { key = "K"; lspBufAction = "hover"; }
+      ] ++ lib.optional config.neovim.plugins.telescope.enable {
+        key = "gr";
+        action = config.lib.nixvim.mkRaw
+          "require('telescope.builtin').lsp_references";
+      };
     };
   };
 }

hmModules/apps/neovim/options.lua

@@ -1,60 +0,0 @@
--- Globals
-vim.g.mapleader = ' '
-vim.g.maplocalleader = ' '
-vim.opt.list = true
-vim.bo.filetype = "on"
-vim.opt.updatetime = 300
-
--- Indentations
-vim.opt.tabstop = 2
-vim.opt.softtabstop = 0
-vim.opt.shiftwidth = 2
-vim.opt.smarttab = true
-vim.opt.expandtab = true
-
--- Style
-vim.opt.colorcolumn = "80"
-vim.opt.showmatch = true
-vim.opt.number = true
-vim.opt.relativenumber = true
-
--- Easy Split Navigation
--- nnoremap <C-J> <C-W><C-J>
--- nnoremap <C-K> <C-W><C-K>
--- nnoremap <C-L> <C-W><C-L>
--- nnoremap <C-H> <C-W><C-H>
-
--- Searching
-vim.opt.smartcase = true
-
--- Backups
-vim.opt.swapfile = false
-vim.opt.backup = false
-vim.opt.undofile = true
-vim.opt.undodir = '/home/pan/.config/nvim/undodir'
-
--- Error viewing
-vim.keymap.set('n', '<Leader>d', function() vim.diagnostic.open_float() end)
-
--- Easy copy and pasting to external programs
--- map <C-y> "+yy
--- map <C-p> "+P
-
--- autocmd BufRead,BufNewFile *.md call WritingMode()
--- autocmd BufRead,BufNewFile *.tex call WritingMode()
--- autocmd BufRead,BufNewFile *.svx call WritingMode()
-
--- autocmd BufRead,BufNewFile *.py call PythonMode()
-
--- function! WritingMode()
-  -- setlocal textwidth=80
-  -- setlocal wrap linebreak nolist
-  -- setlocal whichwrap+=<,>,h,l
-  -- nnoremap j gj
-  -- nnoremap k gk
-  -- setlocal spell spelllang=en_us
--- endfunction
--- function! PythonMode()
-  -- setlocal foldmethod=indent
-  -- setlocal foldlevel=99
--- endfunction

hmModules/apps/neovim/plugin/lsp.nix

@@ -1,53 +0,0 @@
-{ config, pkgs, lib, ... }:
-
-{
-  config = lib.mkIf config.neovim.enable {
-    programs.neovim.plugins = let
-      cfgp = config.neovim.plugins;
-      cfgl = config.neovim.languages;
-
-      configText = ''
-        local on_attach = function(_, bufnr)
-
-          local bufmap = function(keys, func)
-            vim.keymap.set('n', keys, func, { buffer = bufnr })
-          end
-
-          bufmap('<leader>r', vim.lsp.buf.rename)
-          bufmap('<leader>a', vim.lsp.buf.code_action)
-
-          bufmap('gd', vim.lsp.buf.definition)
-          bufmap('gD', vim.lsp.buf.declaration)
-          bufmap('gI', vim.lsp.buf.implementation)
-          bufmap('<leader>D', vim.lsp.buf.type_definition)
-
-      '' + lib.strings.optionalString cfgp.telescope.enable ''
-          bufmap('gr', require('telescope.builtin').lsp_references)
-          bufmap('<leader>s', require('telescope.builtin').lsp_document_symbols)
-          bufmap('<leader>S', require('telescope.builtin').lsp_dynamic_workspace_symbols)
-      '' + ''
-
-          bufmap('K', vim.lsp.buf.hover)
-
-          vim.api.nvim_buf_create_user_command(bufnr, 'Format', function(_)
-            vim.lsp.buf.format()
-          end, {})
-        end
-
-        local capabilities = vim.lsp.protocol.make_client_capabilities()
-      '' + lib.strings.optionalString cfgl.c.enable ''
-        require('lspconfig').clangd.setup {}
-      '' + lib.strings.optionalString cfgl.go.enable ''
-        require('lspconfig').gopls.setup {}
-      '' + lib.strings.optionalString cfgl.nix.enable ''
-        require('lspconfig').nil_ls.setup {}
-      '';
-    in with pkgs.vimPlugins; [
-      {
-        plugin = nvim-lspconfig;
-        type = "lua";
-        config = configText;
-      }
-    ];
-  };
-}

hmModules/apps/neovim/plugin/nvimcmp.nix

@@ -1,72 +0,0 @@
-{ config, pkgs, lib, ... }:
-
-let
-  cfgp = config.neovim.plugins;
-in {
-  config = lib.mkIf (config.neovim.enable && cfgp.nvimcmp.enable)  {
-    programs.neovim.plugins = let
-
-      configText = ''
-        local cmp = require('cmp')
-      '' + lib.strings.optionalString cfgp.luasnip.enable ''
-        local luasnip = require('luasnip')
-
-        require('luasnip.loaders.from_vscode').lazy_load()
-        luasnip.config.setup {}
-      '' + ''
-
-        cmp.setup {
-            mapping = cmp.mapping.preset.insert {
-                ['<C-n>'] = cmp.mapping.select_next_item(),
-                ['<C-p>'] = cmp.mapping.select_prev_item(),
-                ['<C-d>'] = cmp.mapping.scroll_docs(-4),
-                ['<C-f>'] = cmp.mapping.scroll_docs(4),
-                ['<C-Space>'] = cmp.mapping.complete {},
-                ['<CR>'] = cmp.mapping.confirm {
-                    behavior = cmp.ConfirmBehavior.Replace,
-                    select = true,
-                },
-                ['<Tab>'] = cmp.mapping(function(fallback)
-                    if cmp.visible() then
-                        cmp.select_next_item()
-      '' + lib.strings.optionalString cfgp.luasnip.enable ''
-                    elseif luasnip.expand_or_locally_jumpable() then
-                        luasnip.expand_or_jump()
-      '' + ''
-                    else
-                        fallback()
-                    end
-                end, { 'i', 's' }),
-                ['<S-Tab>'] = cmp.mapping(function(fallback)
-                    if cmp.visible() then
-                        cmp.select_prev_item()
-      '' + lib.strings.optionalString cfgp.luasnip.enable ''
-                    elseif luasnip.locally_jumpable(-1) then
-                        luasnip.jump(-1)
-      '' + ''
-                    else
-                        fallback()
-                    end
-                end, { 'i', 's' }),
-            },
-      '' + lib.strings.optionalString cfgp.luasnip.enable ''
-            snippet = {
-                expand = function(args)
-                    luasnip.lsp_expand(args.body)
-                end,
-            },
-            sources = {
-                { name = 'luasnip' },
-            },
-      '' + ''
-        }
-      '';
-    in with pkgs.vimPlugins; [
-      {
-        plugin = nvim-cmp;
-        type = "lua";
-        config = configText;
-      }
-    ];
-  };
-}

hmModules/apps/neovim/plugin/telescope.nix

@@ -1,43 +0,0 @@
-{ config, pkgs, lib, ... }:
-
-let
-  cfgp = config.neovim.plugins;
-in {
-  config = lib.mkIf (config.neovim.enable && cfgp.telescope.enable)  {
-    programs.neovim.plugins = let
-      configText = ''
-        require('telescope').setup({
-          extensions = {
-      '' + lib.strings.optionalString cfgp.telescope.fzf.enable ''
-            fzf = {
-              fuzzy = true,                    -- false will only do exact matching
-              override_generic_sorter = true,  -- override the generic sorter
-              override_file_sorter = true,     -- override the file sorter
-              case_mode = "smart_case",        -- or "ignore_case" or "respect_case"
-                                             -- the default case_mode is "smart_case"
-            }
-      '' + ''
-          }
-        })
-        local builtin = require('telescope.builtin')
-        vim.keymap.set('n', '<leader>ff', builtin.find_files, {})
-        vim.keymap.set('n', '<leader>fg', builtin.git_files, {})
-
-      '' + lib.strings.optionalString cfgp.telescope.fzf.enable ''
-        require('telescope').load_extension('fzf')
-      '';
-    in with pkgs.vimPlugins; [
-      {
-        plugin = telescope-nvim;
-        type = "lua";
-        config = configText;
-      }
-      (lib.mkIf cfgp.nvimcmp.enable telescope-fzf-native-nvim)
-    ];
-
-    home.packages = with pkgs; [
-      (lib.mkIf cfgp.telescope.fzf.enable fzf)
-    ];
-
-  };
-}

hmModules/apps/neovim/plugin/treesitter.nix

@@ -1,38 +0,0 @@
-{ config, pkgs, lib, ... }:
-
-let
-  cfgp = config.neovim.plugins;
-  cfgl = config.neovim.languages;
-in {
-  config = lib.mkIf (config.neovim.enable && cfgp.treesitter.enable)  {
-    programs.neovim.plugins = let
-      configText = ''
-        require('nvim-treesitter.configs').setup {
-          ensure_installed = {},
-
-          auto_install = false,
-
-          highlight = { enable = true },
-
-          indent = { enable = true },
-        }
-      '';
-
-      # I've tried many things, and can't get treesitter plugins changing
-      # dynamically. For not just have them always loaded regardless of config
-      treeplugs = p: [
-        p.tree-sitter-c
-        p.tree-sitter-go
-        p.tree-sitter-nix
-        p.tree-sitter-rust
-        p.tree-sitter-typescript
-      ];
-    in with pkgs.vimPlugins; [
-      {
-        plugin = (nvim-treesitter.withPlugins treeplugs);
-        type = "lua";
-        config = configText;
-      }
-    ];
-  };
-}

users/onizuka/default.nix

@@ -68,27 +68,16 @@
   feh.enable = true;
   beets.enable = true;
 
-  neovim.enable = true;
+  neovim = {
-  neovim.languages = {
+    enable = true;
-    c.enable = true;
+    languages = {
-    nix.enable = true;
+      c.enable = true;
-    rust.enable = true;
+      nix.enable = true;
-    typescript.enable = true;
+      rust.enable = true;
-  };
+      typescript.enable = true;
-  neovim.plugins = {
-    comments.enable = true;
-    fugitive.enable = true;
-    lualine.enable = true;
-    luasnip.enable = true;
-    nvimcmp.enable = true;
-    telescope = {
-      enable = true;
-      fzf.enable = true;
     };
-    treesitter.enable = true;
+    themes.catppuccin.enable = true;
-    wiki.enable = true;
   };
-  neovim.themes.catppuccin.enable = true;
 
   lf.enable = true;
   lf.hiddenfiles = [