7bb0611e2e
* vim_configurable: Add packages option to vimrcConfig Version 8 of vim adds the concept of "vim packages": directories which contain one or more vim plugins, in either "start" or "opt" subdirectories. Those in "start" are to be loaded automatically, while those in "opt" can be loaded manually. Vim detects any packages located in one of its "packpaths". The packages option takes a set of sets describing one or more vim packages, and adds the derivation containing these packages to the packpath. * fix documentation.
432 lines
14 KiB
Nix
432 lines
14 KiB
Nix
{stdenv, vim, vimPlugins, vim_configurable, buildEnv, writeText, writeScriptBin
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, nix-prefetch-hg, nix-prefetch-git }:
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/*
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USAGE EXAMPLE
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=============
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Install Vim like this eg using nixos option environment.systemPackages which will provide
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vim-with-plugins in PATH:
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vim_configurable.customize {
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name = "vim-with-plugins";
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# add custom .vimrc lines like this:
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vimrcConfig.customRC = ''
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set hidden
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'';
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# store your plugins in Vim packages
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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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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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# plugins can also be managed by VAM
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vimrcConfig.vam.knownPlugins = pkgs.vimPlugins; # optional
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vimrcConfig.vam.pluginDictionaries = [
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# load always
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{ name = "youcompleteme"; }
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{ names = ["youcompleteme" "foo"]; }
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# only load when opening a .php file
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{ name = "phpCompletion"; ft_regex = "^php\$"; }
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{ name = "phpCompletion"; filename_regex = "^.php\$"; }
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# provide plugin which can be loaded manually:
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{ name = "phpCompletion"; tag = "lazy"; }
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# full documentation at github.com/MarcWeber/vim-addon-manager
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];
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# there is a pathogen implementation as well, but its startup is slower and [VAM] has more feature
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# vimrcConfig.pathogen.knownPlugins = vimPlugins; # optional
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# vimrcConfig.pathogen.pluginNames = ["vim-addon-nix"];
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};
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WHAT IS A VIM PLUGIN?
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=====================
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Typical plugin files:
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plugin/P1.vim
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autoload/P1.vim
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ftplugin/xyz.vim
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doc/plugin-documentation.txt (traditional documentation)
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README(.md) (nowadays thanks to github)
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Vim offers the :h rtp setting which works for most plugins. Thus adding
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this to your .vimrc should make most plugins work:
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set rtp+=~/.nix-profile/share/vim-plugins/youcompleteme
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" or for p in ["youcompleteme"] | exec 'set rtp+=~/.nix-profile/share/vim-plugins/'.p | endfor
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which is what the [VAM]/pathogen solutions above basically do.
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Learn about about plugin Vim plugin mm managers at
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http://vim-wiki.mawercer.de/wiki/topic/vim%20plugin%20managment.html.
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The documentation can be accessed by Vim's :help command if it was tagged.
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See vimHelpTags sample code below.
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CONTRIBUTING AND CUSTOMIZING
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============================
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The example file pkgs/misc/vim-plugins/default.nix provides both:
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* manually mantained plugins
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* plugins created by VAM's nix#ExportPluginsForNix implementation
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I highly recommend to lookup vim plugin attribute names at the [vim-pi] project
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which is a database containing all plugins from
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vim.org and quite a lot of found at github and similar sources. vim-pi's documented purpose
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is to associate vim.org script ids to human readable names so that dependencies
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can be describe easily.
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How to find a name?
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* http://vam.mawercer.de/ or VAM's
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* grep vim-pi
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* use VAM's completion or :AddonsInfo command
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It might happen than a plugin is not known by vim-pi yet. We encourage you to
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contribute to vim-pi so that plugins can be updated automatically.
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CREATING DERVITATIONS AUTOMATICALLY BY PLUGIN NAME
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==================================================
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Most convenient is to use a ~/.vim-scripts file putting a plugin name into each line
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as documented by [VAM]'s README.md
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It is the same format you pass to vimrcConfig.vam.pluginDictionaries from the
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usage example above.
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Then create a temp vim file and insert:
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let opts = {}
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let opts.path_to_nixpkgs = '/etc/nixos/nixpkgs'
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let opts.cache_file = '/tmp/export-vim-plugin-for-nix-cache-file'
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let opts.plugin_dictionaries = map(readfile("vim-plugins"), 'eval(v:val)')
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" add more files
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" let opts.plugin_dictionaries += map(.. other file )
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call nix#ExportPluginsForNix(opts)
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Then ":source %" it.
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nix#ExportPluginsForNix is provided by ./vim2nix
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A buffer will open containing the plugin derivation lines as well list
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fitting the vimrcConfig.vam.pluginDictionaries option.
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Thus the most simple usage would be:
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vim_with_plugins =
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let vim = vim_configurable;
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inherit (vimUtil.override {inherit vim}) rtpPath addRtp buildVimPlugin vimHelpTags;
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vimPlugins = [
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# the derivation list from the buffer created by nix#ExportPluginsForNix
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# don't set which will default to pkgs.vimPlugins
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];
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in vim.customize {
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name = "vim-with-plugins";
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vimrcConfig.customRC = '' .. '';
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vimrcConfig.vam.knownPlugins = vimPlugins;
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vimrcConfig.vam.pluginDictionaries = [
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# the plugin list form ~/.vim-scripts turned into nix format added to
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# the buffer created by the nix#ExportPluginsForNix
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];
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}
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vim_with_plugins can be installed like any other application within Nix.
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[VAM] https://github.com/MarcWeber/vim-addon-manager
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[vim-pi] https://bitbucket.org/vimcommunity/vim-pi
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*/
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let
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inherit (stdenv) lib;
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findDependenciesRecursively = {knownPlugins, names}:
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let depsOf = name: (builtins.getAttr name knownPlugins).dependencies or [];
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recurseNames = path: names: lib.concatMap (name: recurse ([name]++path)) names;
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recurse = path:
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let name = builtins.head path;
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in if builtins.elem name (builtins.tail path)
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then throw "recursive vim dependencies"
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else [name] ++ recurseNames path (depsOf name);
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in lib.uniqList { inputList = recurseNames [] names; };
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vimrcFile = {
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packages ? null,
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vam ? null,
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pathogen ? null,
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customRC ? ""
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}:
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let
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/* pathogen mostly can set &rtp at startup time. Its used very commonly.
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*/
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pathogenImpl = lib.optionalString (pathogen != null)
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(let
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knownPlugins = pathogen.knownPlugins or vimPlugins;
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plugins = map (name: knownPlugins.${name}) (findDependenciesRecursively { inherit knownPlugins; names = pathogen.pluginNames; });
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pluginsEnv = buildEnv {
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name = "pathogen-plugin-env";
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paths = map (x: "${x}/${vimPlugins.rtpPath}") plugins;
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};
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in
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''
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let &rtp.=(empty(&rtp)?"":',')."${vimPlugins.pathogen.rtp}"
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execute pathogen#infect('${pluginsEnv}/{}')
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'');
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/*
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vim-addon-manager = VAM
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* maps names to plugin location
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* manipulates &rtp at startup time
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or when Vim has been running for a while
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* can activate plugins laziy (eg when loading a specific filetype)
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* knows about vim plugin dependencies (addon-info.json files)
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* still is minimalistic (only loads one file), the "check out" code it also
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has only gets loaded when a plugin is requested which is not found on disk
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yet
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*/
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vamImpl = lib.optionalString (vam != null)
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(let
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knownPlugins = vam.knownPlugins or vimPlugins;
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toNames = x:
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if builtins.isString x then [x]
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else (lib.optional (x ? name) x.name)
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++ (x.names or []);
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names = findDependenciesRecursively { inherit knownPlugins; names = lib.concatMap toNames vam.pluginDictionaries; };
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# Vim almost reads JSON, so eventually JSON support should be added to Nix
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# TODO: proper quoting
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toNix = x:
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if (builtins.isString x) then "'${x}'"
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else if builtins.isAttrs x && builtins ? out then toNix "${x}" # a derivation
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else if builtins.isAttrs x then "{${lib.concatStringsSep ", " (lib.mapAttrsToList (n: v: "${toNix n}: ${toNix v}") x)}}"
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else if builtins.isList x then "[${lib.concatMapStringsSep ", " toNix x}]"
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else throw "turning ${lib.showVal x} into a VimL thing not implemented yet";
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in assert builtins.hasAttr "vim-addon-manager" knownPlugins;
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''
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let g:nix_plugin_locations = {}
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${lib.concatMapStrings (name: ''
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let g:nix_plugin_locations['${name}'] = "${knownPlugins.${name}.rtp}"
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'') names}
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let g:nix_plugin_locations['vim-addon-manager'] = "${knownPlugins."vim-addon-manager".rtp}"
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let g:vim_addon_manager = {}
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if exists('g:nix_plugin_locations')
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" nix managed config
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" override default function making VAM aware of plugin locations:
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fun! NixPluginLocation(name)
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let path = get(g:nix_plugin_locations, a:name, "")
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return path == "" ? vam#DefaultPluginDirFromName(a:name) : path
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endfun
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let g:vim_addon_manager.plugin_dir_by_name = 'NixPluginLocation'
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" tell Vim about VAM:
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let &rtp.=(empty(&rtp)?"":','). g:nix_plugin_locations['vim-addon-manager']
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else
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" standalone config
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let &rtp.=(empty(&rtp)?"":',').c.plugin_root_dir.'/vim-addon-manager'
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if !isdirectory(c.plugin_root_dir.'/vim-addon-manager/autoload')
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" checkout VAM
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execute '!git clone --depth=1 git://github.com/MarcWeber/vim-addon-manager '
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\ shellescape(c.plugin_root_dir.'/vim-addon-manager', 1)
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endif
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endif
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" tell vam about which plugins to load when:
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let l = []
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${lib.concatMapStrings (p: "call add(l, ${toNix p})\n") vam.pluginDictionaries}
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call vam#Scripts(l, {})
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'');
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nativeImpl = lib.optionalString (packages != null)
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(let
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link = (packageName: dir: pluginPath: "ln -sf ${pluginPath}/share/vim-plugins/* $out/pack/${packageName}/${dir}");
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packageLinks = (packageName: {start ? [], opt ? []}:
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["mkdir -p $out/pack/${packageName}/start"]
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++ (builtins.map (link packageName "start") start)
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++ ["mkdir -p $out/pack/${packageName}/opt"]
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++ (builtins.map (link packageName "opt") opt)
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);
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packDir = (packages:
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stdenv.mkDerivation rec {
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name = "vim-pack-dir";
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src = ./.;
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installPhase = lib.concatStringsSep
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"\n"
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(lib.flatten (lib.mapAttrsToList packageLinks packages));
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}
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);
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in
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''
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set packpath-=~/.vim/after
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set packpath+=${packDir packages}
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set packpath+=~/.vim/after
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'');
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# somebody else could provide these implementations
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vundleImpl = "";
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neobundleImpl = "";
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in writeText "vimrc" ''
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" minimal setup, generated by NIX
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set nocompatible
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${vamImpl}
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${pathogenImpl}
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${vundleImpl}
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${neobundleImpl}
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${nativeImpl}
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filetype indent plugin on | syn on
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${customRC}
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'';
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in
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rec {
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inherit vimrcFile;
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# shell script with custom name passing [-u vimrc] [-U gvimrc] to vim
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vimWithRC = {vimExecutable, name ? null, vimrcFile ? null, gvimrcFile ? null}:
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let rcOption = o: file: stdenv.lib.optionalString (file != null) "-${o} ${file}";
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in writeScriptBin (if name == null then "vim" else name) ''
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#!/bin/sh
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exec ${vimExecutable} ${rcOption "u" vimrcFile} ${rcOption "U" gvimrcFile} "$@"
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'';
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# add a customize option to a vim derivation
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makeCustomizable = vim: vim // {
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customize = {name, vimrcConfig}: vimWithRC {
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vimExecutable = "${vim}/bin/vim";
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inherit name;
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vimrcFile = vimrcFile vimrcConfig;
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};
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};
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pluginnames2Nix = {name, namefiles} : vim_configurable.customize {
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inherit name;
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vimrcConfig.vam.knownPlugins = vimPlugins;
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vimrcConfig.vam.pluginDictionaries = ["vim2nix"];
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vimrcConfig.customRC = ''
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" Yes - this is impure and will create the cache file and checkout vim-pi
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" into ~/.vim/vim-addons
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let g:vim_addon_manager.plugin_root_dir = "/tmp/vim2nix-".$USER
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if !isdirectory(g:vim_addon_manager.plugin_root_dir)
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call mkdir(g:vim_addon_manager.plugin_root_dir)
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else
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echom repeat("=", 80)
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echom "WARNING: reusing cache directory :".g:vim_addon_manager.plugin_root_dir
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echom repeat("=", 80)
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endif
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let opts = {}
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let opts.nix_prefetch_git = "${nix-prefetch-git}/bin/nix-prefetch-git"
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let opts.nix_prefetch_hg = "${nix-prefetch-hg}/bin/nix-prefetch-hg"
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let opts.cache_file = g:vim_addon_manager.plugin_root_dir.'/cache'
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let opts.plugin_dictionaries = []
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${lib.concatMapStrings (file: "let opts.plugin_dictionaries += map(readfile(\"${file}\"), 'eval(v:val)')\n") namefiles }
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" uncomment for debugging failures
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" let opts.try_catch = 0
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" add more files
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" let opts.plugin_dictionaries += map(.. other file )
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call nix#ExportPluginsForNix(opts)
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'';
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};
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rtpPath = "share/vim-plugins";
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vimHelpTags = ''
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vimHelpTags(){
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if [ -d "$1/doc" ]; then
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${vim}/bin/vim -N -u NONE -i NONE -n -E -s -c "helptags $1/doc" +quit! || echo "docs to build failed"
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fi
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}
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'';
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addRtp = path: derivation:
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derivation // { rtp = "${derivation}/${path}"; };
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buildVimPlugin = a@{
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name,
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namePrefix ? "vimplugin-",
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src,
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unpackPhase ? "",
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configurePhase ? "",
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buildPhase ? "",
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path ? (builtins.parseDrvName name).name,
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addonInfo ? null,
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...
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}:
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addRtp "${rtpPath}/${path}" (stdenv.mkDerivation (a // {
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name = namePrefix + name;
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inherit unpackPhase configurePhase buildPhase addonInfo;
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installPhase = ''
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target=$out/${rtpPath}/${path}
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mkdir -p $out/${rtpPath}
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cp -r . $target
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${vimHelpTags}
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vimHelpTags $target
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if [ -n "$addonInfo" ]; then
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echo "$addonInfo" > $target/addon-info.json
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fi
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'';
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}));
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vim_with_vim2nix = vim_configurable.customize { name = "vim"; vimrcConfig.vam.pluginDictionaries = [ "vim-addon-vim2nix" ]; };
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buildVimPluginFrom2Nix = a: buildVimPlugin ({
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buildPhase = ":";
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configurePhase =":";
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} // a);
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# test cases:
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test_vim_with_vim_addon_nix_using_vam = vim_configurable.customize {
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name = "vim-with-vim-addon-nix-using-vam";
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vimrcConfig.vam.pluginDictionaries = [{name = "vim-addon-nix"; }];
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};
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test_vim_with_vim_addon_nix_using_pathogen = vim_configurable.customize {
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name = "vim-with-vim-addon-nix-using-pathogen";
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vimrcConfig.pathogen.pluginNames = [ "vim-addon-nix" ];
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};
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test_vim_with_vim_addon_nix = vim_configurable.customize {
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name = "vim-with-vim-addon-nix";
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vimrcConfig.packages.myVimPackage.start = with vimPlugins; [ vim-addon-nix ];
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};
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}
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