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The nixpkgs documentation mentions how to update out of tree plugins but one problem is that it requires a nixpkgs clone. This makes it more convenient. I've had the need to generate vim plugins and lua overlays for other projects unrelated to nix and this will make updates easier (aka just run `nix run nixpkgs#vimPluginsUpdater -- --proc=1` or with the legacy commands: `nix-shell -p vimPluginsUpdater --run vim-plugins-updater`. I added an optional "nixpkgs" argument to command line parser, which is the path towards a nixpkgs checkout. By default the current folder. update-luarocks-packages: format with black
272 lines
9.7 KiB
Markdown
272 lines
9.7 KiB
Markdown
# Vim {#vim}
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Both Neovim and Vim can be configured to include your favorite plugins
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and additional libraries.
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Loading can be deferred; see examples.
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At the moment we support two different methods for managing plugins:
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- Vim packages (*recommended*)
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- vim-plug (vim only)
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Right now two Vim packages are available: `vim` which has most features that require extra
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dependencies disabled and `vim-full` which has them configurable and enabled by default.
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::: {.note}
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`vim_configurable` is a deprecated alias for `vim-full` and refers to the fact that its
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build-time features are configurable. It has nothing to do with user configuration,
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and both the `vim` and `vim-full` packages can be customized as explained in the next section.
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:::
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## Custom configuration {#custom-configuration}
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Adding custom .vimrc lines can be done using the following code:
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```nix
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vim-full.customize {
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# `name` optionally specifies the name of the executable and package
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name = "vim-with-plugins";
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vimrcConfig.customRC = ''
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set hidden
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'';
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}
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```
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This configuration is used when Vim is invoked with the command specified as name, in this case `vim-with-plugins`.
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You can also omit `name` to customize Vim itself. See the
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[definition of `vimUtils.makeCustomizable`](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/vim-utils.nix#L408)
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for all supported options.
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For Neovim the `configure` argument can be overridden to achieve the same:
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```nix
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neovim.override {
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configure = {
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customRC = ''
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# here your custom configuration goes!
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'';
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};
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}
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```
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If you want to use `neovim-qt` as a graphical editor, you can configure it by overriding Neovim in an overlay
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or passing it an overridden Neovim:
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```nix
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neovim-qt.override {
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neovim = neovim.override {
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configure = {
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customRC = ''
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# your custom configuration
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'';
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};
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};
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}
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```
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## Managing plugins with Vim packages {#managing-plugins-with-vim-packages}
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To store your plugins in Vim packages (the native Vim plugin manager, see `:help packages`) the following example can be used:
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```nix
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vim-full.customize {
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vimrcConfig.packages.myVimPackage = with pkgs.vimPlugins; {
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# loaded on launch
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start = [ youcompleteme fugitive ];
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# manually loadable by calling `:packadd $plugin-name`
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# however, if a Vim plugin has a dependency that is not explicitly listed in
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# opt that dependency will always be added to start to avoid confusion.
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opt = [ phpCompletion elm-vim ];
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# To automatically load a plugin when opening a filetype, add vimrc lines like:
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# autocmd FileType php :packadd phpCompletion
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};
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}
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```
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`myVimPackage` is an arbitrary name for the generated package. You can choose any name you like.
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For Neovim the syntax is:
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```nix
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neovim.override {
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configure = {
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customRC = ''
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# here your custom configuration goes!
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'';
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packages.myVimPackage = with pkgs.vimPlugins; {
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# see examples below how to use custom packages
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start = [ ];
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# If a Vim plugin has a dependency that is not explicitly listed in
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# opt that dependency will always be added to start to avoid confusion.
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opt = [ ];
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};
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};
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}
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```
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The resulting package can be added to `packageOverrides` in `~/.nixpkgs/config.nix` to make it installable:
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```nix
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{
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packageOverrides = pkgs: with pkgs; {
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myVim = vim-full.customize {
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# `name` specifies the name of the executable and package
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name = "vim-with-plugins";
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# add here code from the example section
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};
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myNeovim = neovim.override {
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configure = {
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# add code from the example section here
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};
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};
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};
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}
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```
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After that you can install your special grafted `myVim` or `myNeovim` packages.
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### What if your favourite Vim plugin isn’t already packaged? {#what-if-your-favourite-vim-plugin-isnt-already-packaged}
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If one of your favourite plugins isn't packaged, you can package it yourself:
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```nix
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{ config, pkgs, ... }:
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let
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easygrep = pkgs.vimUtils.buildVimPlugin {
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name = "vim-easygrep";
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src = pkgs.fetchFromGitHub {
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owner = "dkprice";
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repo = "vim-easygrep";
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rev = "d0c36a77cc63c22648e792796b1815b44164653a";
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hash = "sha256-bL33/S+caNmEYGcMLNCanFZyEYUOUmSsedCVBn4tV3g=";
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};
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};
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in
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{
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environment.systemPackages = [
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(
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pkgs.neovim.override {
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configure = {
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packages.myPlugins = with pkgs.vimPlugins; {
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start = [
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vim-go # already packaged plugin
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easygrep # custom package
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];
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opt = [];
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};
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# ...
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};
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}
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)
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];
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}
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```
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If your package requires building specific parts, use instead `pkgs.vimUtils.buildVimPlugin`.
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### Specificities for some plugins {#vim-plugin-specificities}
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#### Treesitter {#vim-plugin-treesitter}
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By default `nvim-treesitter` encourages you to download, compile and install
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the required Treesitter grammars at run time with `:TSInstall`. This works
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poorly on NixOS. Instead, to install the `nvim-treesitter` plugins with a set
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of precompiled grammars, you can use `nvim-treesitter.withPlugins` function:
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```nix
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(pkgs.neovim.override {
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configure = {
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packages.myPlugins = with pkgs.vimPlugins; {
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start = [
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(nvim-treesitter.withPlugins (
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plugins: with plugins; [
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nix
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python
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]
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))
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];
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};
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};
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})
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```
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To enable all grammars packaged in nixpkgs, use `pkgs.vimPlugins.nvim-treesitter.withAllGrammars`.
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## Managing plugins with vim-plug {#managing-plugins-with-vim-plug}
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To use [vim-plug](https://github.com/junegunn/vim-plug) to manage your Vim
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plugins the following example can be used:
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```nix
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vim-full.customize {
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vimrcConfig.packages.myVimPackage = with pkgs.vimPlugins; {
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# loaded on launch
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plug.plugins = [ youcompleteme fugitive phpCompletion elm-vim ];
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};
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}
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```
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Note: this is not possible anymore for Neovim.
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## Adding new plugins to nixpkgs {#adding-new-plugins-to-nixpkgs}
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Nix expressions for Vim plugins are stored in [pkgs/applications/editors/vim/plugins](https://github.com/NixOS/nixpkgs/tree/master/pkgs/applications/editors/vim/plugins). For the vast majority of plugins, Nix expressions are automatically generated by running [`nix-shell -p vimPluginsUpdater --run vim-plugins-updater`](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/updater.nix). This creates a [generated.nix](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/generated.nix) file based on the plugins listed in [vim-plugin-names](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/vim-plugin-names).
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After running the updater, if nvim-treesitter received an update, also run [`nvim-treesitter/update.py`](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/update.py) to update the tree sitter grammars for `nvim-treesitter`.
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Some plugins require overrides in order to function properly. Overrides are placed in [overrides.nix](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/overrides.nix). Overrides are most often required when a plugin requires some dependencies, or extra steps are required during the build process. For example `deoplete-fish` requires both `deoplete-nvim` and `vim-fish`, and so the following override was added:
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```nix
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deoplete-fish = super.deoplete-fish.overrideAttrs(old: {
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dependencies = with super; [ deoplete-nvim vim-fish ];
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});
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```
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Sometimes plugins require an override that must be changed when the plugin is updated. This can cause issues when Vim plugins are auto-updated but the associated override isn't updated. For these plugins, the override should be written so that it specifies all information required to install the plugin, and running `./update.py` doesn't change the derivation for the plugin. Manually updating the override is required to update these types of plugins. An example of such a plugin is `LanguageClient-neovim`.
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To add a new plugin, run `./update.py add "[owner]/[name]"`. **NOTE**: This script automatically commits to your git repository. Be sure to check out a fresh branch before running.
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Finally, there are some plugins that are also packaged in nodePackages because they have Javascript-related build steps, such as running webpack. Those plugins are not listed in `vim-plugin-names` or managed by `update.py` at all, and are included separately in `overrides.nix`. Currently, all these plugins are related to the `coc.nvim` ecosystem of the Language Server Protocol integration with Vim/Neovim.
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## Updating plugins in nixpkgs {#updating-plugins-in-nixpkgs}
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Run the update script with a GitHub API token that has at least `public_repo` access. Running the script without the token is likely to result in rate-limiting (429 errors). For steps on creating an API token, please refer to [GitHub's token documentation](https://docs.github.com/en/free-pro-team@latest/github/authenticating-to-github/creating-a-personal-access-token).
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```sh
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GITHUB_API_TOKEN=my_token ./pkgs/applications/editors/vim/plugins/update.py
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```
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Alternatively, set the number of processes to a lower count to avoid rate-limiting.
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```sh
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nix-shell -p vimPluginsUpdater --run 'vim-plugins-updater --proc 1'
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```
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## How to maintain an out-of-tree overlay of vim plugins ? {#vim-out-of-tree-overlays}
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You can use the updater script to generate basic packages out of a custom vim
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plugin list:
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```
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nix-shell -p vimPluginsUpdater --run vim-plugins-updater -i vim-plugin-names -o generated.nix --no-commit
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```
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with the contents of `vim-plugin-names` being for example:
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```
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repo,branch,alias
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pwntester/octo.nvim,,
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```
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You can then reference the generated vim plugins via:
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```nix
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myVimPlugins = pkgs.vimPlugins.extend (
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(pkgs.callPackage ./generated.nix {})
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);
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```
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