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author | Alyssa Ross <hi@alyssa.is> | 2022-05-31 09:59:33 +0000 |
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committer | Alyssa Ross <hi@alyssa.is> | 2022-05-31 09:59:57 +0000 |
commit | 9ff36293d1e428cd7bf03e8d4b03611b6d361c28 (patch) | |
tree | 1ab51a42b868c55b83f6ccdb80371b9888739dd9 /doc/languages-frameworks/vim.section.md | |
parent | 1c4fcd0d4b0541e674ee56ace1053e23e562cc80 (diff) | |
parent | ddc3c396a51918043bb0faa6f676abd9562be62c (diff) | |
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Last good Nixpkgs for Weston+nouveau? archive
I came this commit hash to terwiz[m] on IRC, who is trying to figure out what the last version of Spectrum that worked on their NUC with Nvidia graphics is.
Diffstat (limited to 'doc/languages-frameworks/vim.section.md')
-rw-r--r-- | doc/languages-frameworks/vim.section.md | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/doc/languages-frameworks/vim.section.md b/doc/languages-frameworks/vim.section.md new file mode 100644 index 00000000000..a615d585b15 --- /dev/null +++ b/doc/languages-frameworks/vim.section.md @@ -0,0 +1,348 @@ +# Vim {#vim} + +Both Neovim and Vim can be configured to include your favorite plugins +and additional libraries. + +Loading can be deferred; see examples. + +At the moment we support three different methods for managing plugins: + +- Vim packages (*recommend*) +- VAM (=vim-addon-manager) +- Pathogen +- vim-plug + +## Custom configuration {#custom-configuration} + +Adding custom .vimrc lines can be done using the following code: + +```nix +vim_configurable.customize { + # `name` specifies the name of the executable and package + name = "vim-with-plugins"; + + vimrcConfig.customRC = '' + set hidden + ''; +} +``` + +This configuration is used when Vim is invoked with the command specified as name, in this case `vim-with-plugins`. + +For Neovim the `configure` argument can be overridden to achieve the same: + +```nix +neovim.override { + configure = { + customRC = '' + # here your custom configuration goes! + ''; + }; +} +``` + +If you want to use `neovim-qt` as a graphical editor, you can configure it by overriding Neovim in an overlay +or passing it an overridden Neovimn: + +```nix +neovim-qt.override { + neovim = neovim.override { + configure = { + customRC = '' + # your custom configuration + ''; + }; + }; +} +``` + +## Managing plugins with Vim packages {#managing-plugins-with-vim-packages} + +To store you plugins in Vim packages (the native Vim plugin manager, see `:help packages`) the following example can be used: + +```nix +vim_configurable.customize { + vimrcConfig.packages.myVimPackage = with pkgs.vimPlugins; { + # loaded on launch + start = [ youcompleteme fugitive ]; + # manually loadable by calling `:packadd $plugin-name` + # however, if a Vim plugin has a dependency that is not explicitly listed in + # opt that dependency will always be added to start to avoid confusion. + opt = [ phpCompletion elm-vim ]; + # To automatically load a plugin when opening a filetype, add vimrc lines like: + # autocmd FileType php :packadd phpCompletion + }; +} +``` + +`myVimPackage` is an arbitrary name for the generated package. You can choose any name you like. +For Neovim the syntax is: + +```nix +neovim.override { + configure = { + customRC = '' + # here your custom configuration goes! + ''; + packages.myVimPackage = with pkgs.vimPlugins; { + # see examples below how to use custom packages + start = [ ]; + # If a Vim plugin has a dependency that is not explicitly listed in + # opt that dependency will always be added to start to avoid confusion. + opt = [ ]; + }; + }; +} +``` + +The resulting package can be added to `packageOverrides` in `~/.nixpkgs/config.nix` to make it installable: + +```nix +{ + packageOverrides = pkgs: with pkgs; { + myVim = vim_configurable.customize { + # `name` specifies the name of the executable and package + name = "vim-with-plugins"; + # add here code from the example section + }; + myNeovim = neovim.override { + configure = { + # add here code from the example section + }; + }; + }; +} +``` + +After that you can install your special grafted `myVim` or `myNeovim` packages. + +### What if your favourite Vim plugin isn’t already packaged? {#what-if-your-favourite-vim-plugin-isnt-already-packaged} + +If one of your favourite plugins isn't packaged, you can package it yourself: + +```nix +{ config, pkgs, ... }: + +let + easygrep = pkgs.vimUtils.buildVimPlugin { + name = "vim-easygrep"; + src = pkgs.fetchFromGitHub { + owner = "dkprice"; + repo = "vim-easygrep"; + rev = "d0c36a77cc63c22648e792796b1815b44164653a"; + sha256 = "0y2p5mz0d5fhg6n68lhfhl8p4mlwkb82q337c22djs4w5zyzggbc"; + }; + }; +in +{ + environment.systemPackages = [ + ( + pkgs.neovim.override { + configure = { + packages.myPlugins = with pkgs.vimPlugins; { + start = [ + vim-go # already packaged plugin + easygrep # custom package + ]; + opt = []; + }; + # ... + }; + } + ) + ]; +} +``` + +### Specificities for some plugins +#### Tree sitter + +By default `nvim-treesitter` encourages you to download, compile and install +the required tree-sitter grammars at run time with `:TSInstall`. This works +poorly on NixOS. Instead, to install the `nvim-treesitter` plugins with a set +of precompiled grammars, you can use `nvim-treesitter.withPlugins` function: + +```nix +(pkgs.neovim.override { + configure = { + packages.myPlugins = with pkgs.vimPlugins; { + start = [ + (nvim-treesitter.withPlugins ( + plugins: with plugins; [ + tree-sitter-nix + tree-sitter-python + ] + )) + ]; + }; + }; +}) +``` + +To enable all grammars packaged in nixpkgs, use `(pkgs.vimPlugins.nvim-treesitter.withPlugins (plugins: pkgs.tree-sitter.allGrammars))`. + +## Managing plugins with vim-plug {#managing-plugins-with-vim-plug} + +To use [vim-plug](https://github.com/junegunn/vim-plug) to manage your Vim +plugins the following example can be used: + +```nix +vim_configurable.customize { + vimrcConfig.packages.myVimPackage = with pkgs.vimPlugins; { + # loaded on launch + plug.plugins = [ youcompleteme fugitive phpCompletion elm-vim ]; + }; +} +``` + +For Neovim the syntax is: + +```nix +neovim.override { + configure = { + customRC = '' + # here your custom configuration goes! + ''; + plug.plugins = with pkgs.vimPlugins; [ + vim-go + ]; + }; +} +``` + +## Managing plugins with VAM {#managing-plugins-with-vam} + +### Handling dependencies of Vim plugins {#handling-dependencies-of-vim-plugins} + +VAM introduced .json files supporting dependencies without versioning +assuming that "using latest version" is ok most of the time. + +### Example {#example} + +First create a vim-scripts file having one plugin name per line. Example: + +```vim +"tlib" +{'name': 'vim-addon-sql'} +{'filetype_regex': '\%(vim)$', 'names': ['reload', 'vim-dev-plugin']} +``` + +Such vim-scripts file can be read by VAM as well like this: + +```vim +call vam#Scripts(expand('~/.vim-scripts'), {}) +``` + +Create a default.nix file: + +```nix +{ nixpkgs ? import <nixpkgs> {}, compiler ? "ghc7102" }: +nixpkgs.vim_configurable.customize { name = "vim"; vimrcConfig.vam.pluginDictionaries = [ "vim-addon-vim2nix" ]; } +``` + +Create a generate.vim file: + +```vim +ActivateAddons vim-addon-vim2nix +let vim_scripts = "vim-scripts" +call nix#ExportPluginsForNix({ +\ 'path_to_nixpkgs': eval('{"'.substitute(substitute(substitute($NIX_PATH, ':', ',', 'g'), '=',':', 'g'), '\([:,]\)', '"\1"',"g").'"}')["nixpkgs"], +\ 'cache_file': '/tmp/vim2nix-cache', +\ 'try_catch': 0, +\ 'plugin_dictionaries': ["vim-addon-manager"]+map(readfile(vim_scripts), 'eval(v:val)') +\ }) +``` + +Then run + +```bash +nix-shell -p vimUtils.vim_with_vim2nix --command "vim -c 'source generate.vim'" +``` + +You should get a Vim buffer with the nix derivations (output1) and vam.pluginDictionaries (output2). +You can add your Vim to your system's configuration file like this and start it by "vim-my": + +```nix +my-vim = + let plugins = let inherit (vimUtils) buildVimPluginFrom2Nix; in { + copy paste output1 here + }; in vim_configurable.customize { + name = "vim-my"; + + vimrcConfig.vam.knownPlugins = plugins; # optional + vimrcConfig.vam.pluginDictionaries = [ + copy paste output2 here + ]; + + # Pathogen would be + # vimrcConfig.pathogen.knownPlugins = plugins; # plugins + # vimrcConfig.pathogen.pluginNames = ["tlib"]; + }; +``` + +Sample output1: + +```nix +"reload" = buildVimPluginFrom2Nix { # created by nix#NixDerivation + name = "reload"; + src = fetchgit { + url = "git://github.com/xolox/vim-reload"; + rev = "0a601a668727f5b675cb1ddc19f6861f3f7ab9e1"; + sha256 = "0vb832l9yxj919f5hfg6qj6bn9ni57gnjd3bj7zpq7d4iv2s4wdh"; + }; + dependencies = ["nim-misc"]; + +}; +[...] +``` + +Sample output2: + +```nix +[ + ''vim-addon-manager'' + ''tlib'' + { "name" = ''vim-addon-sql''; } + { "filetype_regex" = ''\%(vim)$$''; "names" = [ ''reload'' ''vim-dev-plugin'' ]; } +] +``` + +## Adding new plugins to nixpkgs {#adding-new-plugins-to-nixpkgs} + +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 [`./update.py`](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/update.py). 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). Plugins are listed in alphabetical order in `vim-plugin-names` using the format `[github username]/[repository]@[gitref]`. For example https://github.com/scrooloose/nerdtree becomes `scrooloose/nerdtree`. + +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: + +```nix +deoplete-fish = super.deoplete-fish.overrideAttrs(old: { + dependencies = with super; [ deoplete-nvim vim-fish ]; +}); +``` + +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`. + +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. + +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 Language Server Protocol integration with vim/neovim. + +## Updating plugins in nixpkgs {#updating-plugins-in-nixpkgs} + +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). + +```sh +GITHUB_API_TOKEN=my_token ./pkgs/applications/editors/vim/plugins/update.py +``` + +Alternatively, set the number of processes to a lower count to avoid rate-limiting. + +```sh +./pkgs/applications/editors/vim/plugins/update.py --proc 1 +``` + +## Important repositories {#important-repositories} + +- [vim-pi](https://bitbucket.org/vimcommunity/vim-pi) is a plugin repository + from VAM plugin manager meant to be used by others as well used by + +- [vim2nix](https://github.com/MarcWeber/vim-addon-vim2nix) which generates the + .nix code |