feat(nvim): setup for ipynb dev work

Setup:
- molten (run python code)
- otter (lsp in markdown codeblocks)
- jupytext (convert .ipynb files to .md files transparently)
- image (display images inside neovim (e.g. matplotlib graphs))

.envrc

@@ -1 +1,10 @@
+# update repo
+if has jj; then
+    jj git fetch
+elif has gix; then
+    gix fetch
+elif has git; then
+    git fetch
+fi
+
 use flake

flake-modules/nvim.nix

@@ -1,24 +1,22 @@
 { inputs, ... }:
-let
-  standalone = ../nvim/standalone.nix;
-in
 {
   flake.overlays.nixvim = inputs.nixvim.overlays.default;
 
   perSystem =
     { pkgs, system, ... }:
-    {
-      # Check standalone nvim build
-      checks.nvim = inputs.nixvim.lib.${system}.check.mkTestDerivationFromNixvimModule {
+    let
+      nixvimLib = inputs.nixvim.lib.${system};
+      nixvim = inputs.nixvim.legacyPackages.${system};
+      module = {
         inherit pkgs;
         module = ../nvim/standalone.nix;
       };
+    in
+    {
+      # Check standalone nvim build
+      checks.nvim = nixvimLib.check.mkTestDerivationFromNixvimModule module;
 
       # Nvim standalone module
-      packages.nvim = inputs.nixvim.legacyPackages.${system}.makeNixvimWithModule {
-        inherit pkgs;
-        module = standalone;
-      };
-
+      packages.nvim = nixvim.makeNixvimWithModule module;
     };
 }

flake.lock

@@ -260,11 +260,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1728067476,
-        "narHash": "sha256-/uJcVXuBt+VFCPQIX+4YnYrHaubJSx4HoNsJVNRgANM=",
+        "lastModified": 1728500571,
+        "narHash": "sha256-dOymOQ3AfNI4Z337yEwHGohrVQb4yPODCW9MDUyAc4w=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "6e6b3dd395c3b1eb9be9f2d096383a8d05add030",
+        "rev": "d51c28603def282a24fa034bcb007e2bcb5b5dd0",
         "type": "github"
       },
       "original": {
@@ -292,11 +292,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1728145679,
-        "narHash": "sha256-qd1nr2b+WUiyzJva650LBX/3hDBru0ZSVxKHSm1BE0w=",
+        "lastModified": 1728603032,
+        "narHash": "sha256-RAKCcBXqF/xOaf7fR11dnIZwZ8SDyNcK3MyVgD0l1xQ=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "6594472fd275f6dcf5a9fba4a83d2f7fa2cf2b8a",
+        "rev": "5cd8c9cf3104027b42ffe531fb68463ecb08ebc9",
         "type": "github"
       },
       "original": {
@@ -388,11 +388,11 @@
     },
     "unstable": {
       "locked": {
-        "lastModified": 1728018373,
-        "narHash": "sha256-NOiTvBbRLIOe5F6RbHaAh6++BNjsb149fGZd1T4+KBg=",
+        "lastModified": 1728492678,
+        "narHash": "sha256-9UTxR8eukdg+XZeHgxW5hQA9fIKHsKCdOIUycTryeVw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "bc947f541ae55e999ffdb4013441347d83b00feb",
+        "rev": "5633bcff0c6162b9e4b5f1264264611e950c8ec7",
         "type": "github"
       },
       "original": {

nvim/plugins.nix

@@ -5,7 +5,7 @@
   ...
 }:
 let
-  inherit (helpers) mkRaw;
+  inherit (helpers) mkRaw enableExceptInTests;
 in
 {
   config.plugins = {
@@ -160,15 +160,19 @@ in
       };
     };
     gitsigns.enable = true;
+    image.enable = enableExceptInTests;
+    jupytext = {
+      enable = true;
+      settings.custom_language_formatting.python = {
+        extension = "md";
+        style = "markdown";
+        force_ft = "markdown";
+      };
+    };
     lint = {
       enable = true;
       lintersByFt = {
-        rust = [ "typos" ];
-        latex = [
-          "chktex"
-          "typos"
-        ];
-        markdown = [ "typos" ];
+        latex = [ "chktex" ];
         nix = [ "statix" ];
         sh = [ "dash" ];
         zsh = [ "zsh" ];
@@ -177,14 +181,16 @@ in
     lsp = {
       enable = true;
       servers = {
-        bashls.enable = true;
-        bashls.package = pkgs.unstable.bash-language-server;
+        bashls = {
+          enable = true;
+          package = pkgs.unstable.bash-language-server;
+        };
         # clangd.enable = true; # Adds ~2GiB
-        html.enable = true;
+        # html.enable = true; # Not writing html
         jsonls.enable = true;
         marksman.enable = true;
         nixd.enable = true;
-        nil-ls = {
+        nil_ls = {
           enable = true;
           settings.nix.flake = {
             autoArchive = true;
@@ -192,12 +198,11 @@ in
           };
         };
         pyright.enable = true;
-        # ruff-lsp.enable = true;
         ruff.enable = true;
         taplo.enable = true;
         # texlab.enable = true; # Not writing TeX rn
-        typos-lsp.enable = true;
-        typst-lsp.enable = true;
+        typos_lsp.enable = true;
+        # typst_lsp.enable = true; # Not using it either
       };
     };
     lspkind = {
@@ -214,6 +219,15 @@ in
       enable = true;
       settings.update_events = "TextChanged,TextChangedI";
     };
+    molten = {
+      enable = true;
+      settings = {
+        image_provider = "image.nvim";
+        virt_text_output = true;
+        molten_auto_open_output = false;
+        molten_virt_lines_off_by_1 = true;
+      };
+    };
     noice = {
       enable = true;
       lsp.override = {
@@ -245,6 +259,7 @@ in
         mode = "virtualtext";
       };
     };
+    otter.enable = true;
     rustaceanvim = {
       enable = true;
       # Install through rustup
@@ -260,6 +275,7 @@ in
     treesitter = {
       enable = true;
       settings = {
+        highlight.enable = true;
         indent.enable = true;
         incremental_election.enable = true;
       };

nvim/standalone.nix

@@ -61,6 +61,7 @@
       pkgs.unstable.taplo
       pkgs.unstable.typos
       pkgs.unstable.yamlfmt
+      (pkgs.unstable.python3.withPackages (p: [ p.jupytext ]))
     ];
     extraConfigLuaPre =
       # lua

system/default.nix

@@ -74,15 +74,17 @@ in
     };
 
     environment.etc = keysFromGithub;
-    services.openssh.authorizedKeysFiles = builtins.map (path: "/etc/${path}") (
-      builtins.attrNames keysFromGithub
-    );
-
-    # Enable printer autodiscovery if printing is enabled
-    services.avahi = {
-      inherit (config.services.printing) enable;
-      nssmdns4 = true;
-      openFirewall = true;
+    services = {
+      # Enable printer autodiscovery if printing is enabled
+      avahi = {
+        inherit (config.services.printing) enable;
+        nssmdns4 = true;
+        openFirewall = true;
+      };
+      openssh.authorizedKeysFiles = builtins.map (path: "/etc/${path}") (
+        builtins.attrNames keysFromGithub
+      );
+      jupyter.enable = cfg.dev.enable;
     };
     users.defaultUserShell = pkgs.zsh;
     # Open ports for spotifyd