neovim lsp refactor

remove null-ls (archived, deprecated)
replace formatting with conform.nvim
replace diagnostics with nvim-lint
fixed issue where overlay neovim plugins weren't being applied

flake.lock

@@ -1,22 +1,5 @@
 {
   "nodes": {
-    "Comment-nvim-src": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1681214440,
-        "narHash": "sha256-48hy+hiaDJLlgWqC7IeZI3dT+VwWkRo4atQbyPxu/ys=",
-        "owner": "numToStr",
-        "repo": "Comment.nvim",
-        "rev": "e51f2b142d88bb666dcaa77d93a07f4b419aca70",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numToStr",
-        "ref": "v0.8.0",
-        "repo": "Comment.nvim",
-        "type": "github"
-      }
-    },
     "baleia-nvim-src": {
       "flake": false,
       "locked": {
@@ -82,6 +65,23 @@
         "type": "github"
       }
     },
+    "comment-nvim-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1681214440,
+        "narHash": "sha256-48hy+hiaDJLlgWqC7IeZI3dT+VwWkRo4atQbyPxu/ys=",
+        "owner": "numToStr",
+        "repo": "Comment.nvim",
+        "rev": "e51f2b142d88bb666dcaa77d93a07f4b419aca70",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numToStr",
+        "ref": "v0.8.0",
+        "repo": "Comment.nvim",
+        "type": "github"
+      }
+    },
     "darwin": {
       "inputs": {
         "nixpkgs": [
@@ -390,22 +390,6 @@
         "type": "github"
       }
     },
-    "null-ls-nvim-src": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1691810493,
-        "narHash": "sha256-cWA0rzkOp/ekVKaFee7iea1lhnqKtWUIU+fW5M950wI=",
-        "owner": "jose-elias-alvarez",
-        "repo": "null-ls.nvim",
-        "rev": "0010ea927ab7c09ef0ce9bf28c2b573fc302f5a7",
-        "type": "github"
-      },
-      "original": {
-        "owner": "jose-elias-alvarez",
-        "repo": "null-ls.nvim",
-        "type": "github"
-      }
-    },
     "nur": {
       "locked": {
         "lastModified": 1707013032,
@@ -421,6 +405,22 @@
         "type": "github"
       }
     },
+    "nvim-lint-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1707389610,
+        "narHash": "sha256-o2XCMJOySY7A40yS8/aFqhOSpPWTleD4DnOMssSKmXc=",
+        "owner": "mfussenegger",
+        "repo": "nvim-lint",
+        "rev": "966ab3dc37eee3e413692264b44a3011b05a6060",
+        "type": "github"
+      },
+      "original": {
+        "owner": "mfussenegger",
+        "repo": "nvim-lint",
+        "type": "github"
+      }
+    },
     "nvim-lspconfig-src": {
       "flake": false,
       "locked": {
@@ -518,11 +518,11 @@
     },
     "root": {
       "inputs": {
-        "Comment-nvim-src": "Comment-nvim-src",
         "baleia-nvim-src": "baleia-nvim-src",
         "bufferline-nvim-src": "bufferline-nvim-src",
         "bypass-paywalls-clean": "bypass-paywalls-clean",
         "cmp-nvim-lsp-src": "cmp-nvim-lsp-src",
+        "comment-nvim-src": "comment-nvim-src",
         "darwin": "darwin",
         "disko": "disko",
         "fidget-nvim-src": "fidget-nvim-src",
@@ -537,8 +537,8 @@
         "nix2vim": "nix2vim",
         "nixos-generators": "nixos-generators",
         "nixpkgs": "nixpkgs",
-        "null-ls-nvim-src": "null-ls-nvim-src",
         "nur": "nur",
+        "nvim-lint-src": "nvim-lint-src",
         "nvim-lspconfig-src": "nvim-lspconfig-src",
         "nvim-tree-lua-src": "nvim-tree-lua-src",
         "nvim-treesitter-src": "nvim-treesitter-src",

flake.nix

@@ -69,16 +69,12 @@
       url = "github:hrsh7th/cmp-nvim-lsp";
       flake = false;
     };
-    null-ls-nvim-src = {
-      url = "github:jose-elias-alvarez/null-ls.nvim";
-      flake = false;
-    };
     baleia-nvim-src = {
       # https://github.com/m00qek/baleia.nvim/tags
       url = "github:m00qek/baleia.nvim";
       flake = false;
     };
-    Comment-nvim-src = {
+    comment-nvim-src = {
       # https://github.com/numToStr/Comment.nvim/releases
       url = "github:numToStr/Comment.nvim/v0.8.0";
       flake = false;
@@ -124,6 +120,10 @@
       url = "github:mikesmithgh/kitty-scrollback.nvim";
       flake = false;
     };
+    nvim-lint-src = {
+      url = "github:mfussenegger/nvim-lint";
+      flake = false;
+    };
 
     # Tree-Sitter Grammars
     tree-sitter-bash = {
@@ -375,6 +375,10 @@
           path = ./templates/haskell;
           description = "Haskell template";
         };
+        rust = {
+          path = ./templates/rust;
+          description = "Rust template";
+        };
       };
 
     };

modules/common/neovim/config/lsp.nix

@@ -6,23 +6,12 @@
   options.kubernetes =
     lib.mkEnableOption "Whether to enable Kubernetes features";
 
-  config =
+  config = {
-
-    let
-
-      terraformFormat = if config.terraform then ''
-        require("null-ls").builtins.formatting.terraform_fmt.with({
-            command = "${pkgs.terraform}/bin/terraform",
-            extra_filetypes = { "hcl" },
-        }),
-      '' else
-        "";
-
-    in {
     plugins = [
       pkgs.vimPlugins.nvim-lspconfig
-        pkgs.vimPlugins.null-ls-nvim
+      pkgs.vimPlugins.conform-nvim
       pkgs.vimPlugins.fidget-nvim
+      pkgs.vimPlugins.nvim-lint
     ];
 
     setup.fidget = { };
@@ -59,50 +48,60 @@
       };
     };
 
-      vim.api.nvim_create_augroup = dsl.callWith [ "LspFormatting" { } ];
+    setup.conform = {
+      format_on_save = {
+        # These options will be passed to conform.format()
+        timeout_ms = 500;
+        lsp_fallback = true;
+      };
+      formatters_by_ft = {
+        lua = [ "stylua" ];
+        python = [ "black" ];
+        fish = [ "fish_indent" ];
+        nix = [ "nixfmt" ];
+        rust = [ "rustfmt" ];
+        sh = [ "shfmt" ];
+        terraform = if config.terraform then [ "terraform_fmt" ] else [ ];
+        hcl = if config.terraform then [ "terraform_fmt" ] else [ ];
+      };
+      formatters = {
+        lua.command = "${pkgs.stylua}/bin/stylua";
+        black.command = "${pkgs.black}/bin/black";
+        fish_indent.command = "${pkgs.fish}/bin/fish_indent";
+        nixfmt.command = "${pkgs.nixfmt}/bin/nixfmt";
+        rustfmt = {
+          command = "${pkgs.rustfmt}/bin/rustfmt";
+          prepend_args = [ "--edition" "2021" ];
+        };
+        shfmt = {
+          command = "${pkgs.shfmt}/bin/shfmt";
+          prepend_args = [ "-i" "4" "-ci" ];
+        };
+        terraform_fmt.command =
+          if config.terraform then "${pkgs.terraform}/bin/terraform" else "";
+      };
+    };
+
+    use.lint = {
+      linters_by_ft = dsl.toTable {
+        python = [ "ruff" ];
+        sh = [ "shellcheck" ];
+      };
+    };
+
+    vim.api.nvim_create_autocmd = dsl.callWith [
+      (dsl.toTable [ "BufEnter" "BufWritePost" ])
+      (dsl.rawLua "{ callback = function() require('lint').try_lint() end }")
+    ];
 
     lua = ''
       ${builtins.readFile ./lsp.lua}
 
+      local ruff = require('lint').linters.ruff; ruff.cmd = "${pkgs.ruff}/bin/ruff"
+      local shellcheck = require('lint').linters.shellcheck; shellcheck.cmd = "${pkgs.shellcheck}/bin/shellcheck"
+
       -- Prevent infinite log size (change this when debugging)
       vim.lsp.set_log_level("off")
-
-        require("null-ls").setup({
-            sources = {
-                require("null-ls").builtins.formatting.stylua.with({ command = "${pkgs.stylua}/bin/stylua" }),
-                require("null-ls").builtins.formatting.black.with({ command = "${pkgs.black}/bin/black" }),
-                require("null-ls").builtins.diagnostics.ruff.with({ command = "${pkgs.ruff}/bin/ruff" }),
-                require("null-ls").builtins.formatting.fish_indent.with({ command = "${pkgs.fish}/bin/fish_indent" }),
-                require("null-ls").builtins.formatting.nixfmt.with({ command = "${pkgs.nixfmt}/bin/nixfmt" }),
-                require("null-ls").builtins.formatting.rustfmt.with({ command = "${pkgs.rustfmt}/bin/rustfmt" }),
-                require("null-ls").builtins.diagnostics.shellcheck.with({ command = "${pkgs.shellcheck}/bin/shellcheck" }),
-                require("null-ls").builtins.formatting.shfmt.with({
-                    command = "${pkgs.shfmt}/bin/shfmt",
-                    extra_args = { "-i", "4", "-ci" },
-                }),
-                ${terraformFormat}
-            },
-
-            on_attach = function(client, bufnr)
-                if client.supports_method("textDocument/formatting") then
-                    -- Auto-format on save
-                    vim.api.nvim_clear_autocmds({ group = augroup, buffer = bufnr })
-                    vim.api.nvim_create_autocmd("BufWritePre", {
-                        group = augroup,
-                        buffer = bufnr,
-                        callback = function()
-                            vim.lsp.buf.format({ bufnr = bufnr })
-                        end,
-                    })
-                    -- Use internal formatting for bindings like gq.
-                    vim.api.nvim_create_autocmd("LspAttach", {
-                        callback = function(args)
-                            vim.bo[args.buf].formatexpr = nil
-                        end,
-                    })
-                end
-            end,
-        })
     '';
 
   };

modules/common/neovim/config/misc.nix

@@ -8,7 +8,7 @@
     pkgs.vimPlugins.glow-nvim # Markdown preview popup
     pkgs.vimPlugins.nvim-colorizer-lua # Hex color previews
     pkgs.vimPlugins.which-key-nvim # Keybind helper
-    pkgs.kitty-scrollback-nvim # Scrollback pager for kitty
+    pkgs.vimPlugins.kitty-scrollback-nvim # Scrollback pager for kitty
   ];
 
   # Initialize some plugins

modules/common/neovim/config/syntax.nix

@@ -24,8 +24,8 @@
     pkgs.vimPlugins.playground # Tree-sitter experimenting
     pkgs.vimPlugins.nginx-vim
     pkgs.vimPlugins.vim-helm
-    pkgs.baleia-nvim # Clean ANSI from kitty scrollback
+    pkgs.vimPlugins.baleia-nvim # Clean ANSI from kitty scrollback
-    # pkgs.hmts-nvim # Tree-sitter injections for home-manager
+    # pkgs.vimPlugins.hmts-nvim # Tree-sitter injections for home-manager
     (pkgs.vimUtils.buildVimPlugin {
       pname = "nmasur";
       version = "0.1";

modules/nixos/system/user.nix

@@ -1,4 +1,4 @@
-{ config, lib, ... }: {
+{ config, pkgs, lib, ... }: {
 
   options = {
 
@@ -31,11 +31,22 @@
 
     };
 
+    # Allow writing custom scripts outside of Nix
+    # Probably shouldn't make this a habit
+    environment.localBinInPath = true;
+
     home-manager.users.${config.user}.xdg = {
 
       # Allow Nix to manage the default applications list
       mimeApps.enable = true;
 
+      # Create a desktop option for Burp
+      desktopEntries.burp = lib.mkIf pkgs.stdenv.isLinux {
+        name = "Burp";
+        exec = "${config.homePath}/.local/bin/burp.sh";
+        categories = [ "Application" ];
+      };
+
       # Set directories for application defaults
       userDirs = {
         enable = true;

overlays/neovim-plugins.nix

@@ -16,21 +16,26 @@ let
 
 in {
 
-  nvim-lspconfig = withSrc prev.vimPlugins.nvim-lspconfig inputs.nvim-lspconfig;
+  vimPlugins = prev.vimPlugins // {
-  cmp-nvim-lsp = withSrc prev.vimPlugins.cmp-nvim-lsp inputs.cmp-nvim-lsp;
+
-  null-ls-nvim = withSrc prev.vimPlugins.null-ls-nvim inputs.null-ls-nvim;
+    nvim-lspconfig =
-  comment-nvim = withSrc prev.vimPlugins.comment-nvim inputs.comment-nvim;
+      withSrc prev.vimPlugins.nvim-lspconfig inputs.nvim-lspconfig-src;
+    cmp-nvim-lsp = withSrc prev.vimPlugins.cmp-nvim-lsp inputs.cmp-nvim-lsp-src;
+    comment-nvim = withSrc prev.vimPlugins.comment-nvim inputs.comment-nvim-src;
     nvim-treesitter =
-    withSrc prev.vimPlugins.nvim-treesitter inputs.nvim-treesitter;
+      withSrc prev.vimPlugins.nvim-treesitter inputs.nvim-treesitter-src;
-  telescope-nvim = withSrc prev.vimPlugins.telescope-nvim inputs.telescope-nvim;
+    telescope-nvim =
+      withSrc prev.vimPlugins.telescope-nvim inputs.telescope-nvim-src;
     telescope-project-nvim = withSrc prev.vimPlugins.telescope-project-nvim
-    inputs.telescope-project-nvim;
+      inputs.telescope-project-nvim-src;
     toggleterm-nvim =
-    withSrc prev.vimPlugins.toggleterm-nvim inputs.toggleterm-nvim;
+      withSrc prev.vimPlugins.toggleterm-nvim inputs.toggleterm-nvim-src;
     bufferline-nvim =
-    withSrc prev.vimPlugins.bufferline-nvim inputs.bufferline-nvim;
+      withSrc prev.vimPlugins.bufferline-nvim inputs.bufferline-nvim-src;
-  nvim-tree-lua = withSrc prev.vimPlugins.nvim-tree-lua inputs.nvim-tree-lua;
+    nvim-tree-lua =
-  fidget-nvim = withSrc prev.vimPlugins.fidget-nvim inputs.fidget-nvim;
+      withSrc prev.vimPlugins.nvim-tree-lua inputs.nvim-tree-lua-src;
+    fidget-nvim = withSrc prev.vimPlugins.fidget-nvim inputs.fidget-nvim-src;
+    nvim-lint = withSrc prev.vimPlugins.nvim-lint inputs.nvim-lint-src;
 
     # Packaging plugins entirely with Nix
     baleia-nvim = plugin "baleia-nvim" inputs.baleia-nvim-src;
@@ -38,4 +43,6 @@ in {
     kitty-scrollback-nvim =
       plugin "kitty-scrollback-nvim" inputs.kitty-scrollback-nvim-src;
 
+  };
+
 }