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Initial Commit
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208
nix/mkNeovim.nix
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208
nix/mkNeovim.nix
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# Function for creating a Neovim derivation
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{
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pkgs,
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lib,
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stdenv,
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# Set by the overlay to ensure we use a compatible version of `wrapNeovimUnstable`
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pkgs-wrapNeovim ? pkgs,
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}:
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with lib;
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{
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# NVIM_APPNAME - Defaults to 'nvim' if not set.
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# If set to something else, this will also rename the binary.
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appName ? null,
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# The Neovim package to wrap
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neovim-unwrapped ? pkgs-wrapNeovim.neovim-unwrapped,
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plugins ? [], # List of plugins
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# List of dev plugins (will be bootstrapped) - useful for plugin developers
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# { name = <plugin-name>; url = <git-url>; }
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devPlugins ? [],
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# Regexes for config files to ignore, relative to the nvim directory.
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# e.g. [ "^plugin/neogit.lua" "^ftplugin/.*.lua" ]
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ignoreConfigRegexes ? [],
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extraPackages ? [], # Extra runtime dependencies (e.g. ripgrep, ...)
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# The below arguments can typically be left as their defaults
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# Additional lua packages (not plugins), e.g. from luarocks.org.
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# e.g. p: [p.jsregexp]
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extraLuaPackages ? p: [],
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extraPython3Packages ? p: [], # Additional python 3 packages
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withPython3 ? true, # Build Neovim with Python 3 support?
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withRuby ? false, # Build Neovim with Ruby support?
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withNodeJs ? false, # Build Neovim with NodeJS support?
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withSqlite ? true, # Add sqlite? This is a dependency for some plugins
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# You probably don't want to create vi or vim aliases
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# if the appName is something different than "nvim"
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viAlias ? appName == "nvim", # Add a "vi" binary to the build output as an alias?
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vimAlias ? appName == "nvim", # Add a "vim" binary to the build output as an alias?
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}: let
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# This is the structure of a plugin definition.
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# Each plugin in the `plugins` argument list can also be defined as this attrset
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defaultPlugin = {
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plugin = null; # e.g. nvim-lspconfig
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config = null; # plugin config
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# If `optional` is set to `false`, the plugin is installed in the 'start' packpath
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# set to `true`, it is installed in the 'opt' packpath, and can be lazy loaded with
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# ':packadd! {plugin-name}
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optional = false;
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runtime = {};
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};
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externalPackages = extraPackages ++ (optionals withSqlite [pkgs.sqlite]);
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# Map all plugins to an attrset { plugin = <plugin>; config = <config>; optional = <tf>; ... }
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normalizedPlugins = map (x:
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defaultPlugin
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// (
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if x ? plugin
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then x
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else {plugin = x;}
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))
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plugins;
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# This nixpkgs util function creates an attrset
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# that pkgs.wrapNeovimUnstable uses to configure the Neovim build.
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neovimConfig = pkgs-wrapNeovim.neovimUtils.makeNeovimConfig {
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inherit extraPython3Packages withPython3 withRuby withNodeJs viAlias vimAlias;
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plugins = normalizedPlugins;
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};
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# This uses the ignoreConfigRegexes list to filter
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# the nvim directory
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nvimRtpSrc = let
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src = ../nvim;
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in
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lib.cleanSourceWith {
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inherit src;
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name = "nvim-rtp-src";
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filter = path: tyoe: let
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srcPrefix = toString src + "/";
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relPath = lib.removePrefix srcPrefix (toString path);
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in
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lib.all (regex: builtins.match regex relPath == null) ignoreConfigRegexes;
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};
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# Split runtimepath into 3 directories:
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# - lua, to be prepended to the rtp at the beginning of init.lua
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# - nvim, containing plugin, ftplugin, ... subdirectories
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# - after, to be sourced last in the startup initialization
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# See also: https://neovim.io/doc/user/starting.html
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nvimRtp = stdenv.mkDerivation {
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name = "nvim-rtp";
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src = nvimRtpSrc;
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buildPhase = ''
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mkdir -p $out/nvim
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mkdir -p $out/lua
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rm init.lua
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'';
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installPhase = ''
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cp -r lua $out/lua
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rm -r lua
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# Copy nvim/after only if it exists
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if [ -d "after" ]; then
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cp -r after $out/after
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rm -r after
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fi
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# Copy rest of nvim/ subdirectories only if they exist
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if [ ! -z "$(ls -A)" ]; then
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cp -r -- * $out/nvim
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fi
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'';
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};
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# The final init.lua content that we pass to the Neovim wrapper.
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# It wraps the user init.lua, prepends the lua lib directory to the RTP
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# and prepends the nvim and after directory to the RTP
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# It also adds logic for bootstrapping dev plugins (for plugin developers)
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initLua =
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''
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vim.loader.enable()
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-- prepend lua directory
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vim.opt.rtp:prepend('${nvimRtp}/lua')
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''
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# Wrap init.lua
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+ (builtins.readFile ../nvim/init.lua)
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# Bootstrap/load dev plugins
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+ optionalString (devPlugins != []) (
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''
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local dev_pack_path = vim.fn.stdpath('data') .. '/site/pack/dev'
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local dev_plugins_dir = dev_pack_path .. '/opt'
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local dev_plugin_path
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''
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+ strings.concatMapStringsSep
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"\n"
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(plugin: ''
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dev_plugin_path = dev_plugins_dir .. '/${plugin.name}'
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if vim.fn.empty(vim.fn.glob(dev_plugin_path)) > 0 then
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vim.notify('Bootstrapping dev plugin ${plugin.name} ...', vim.log.levels.INFO)
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vim.cmd('!${pkgs.git}/bin/git clone ${plugin.url} ' .. dev_plugin_path)
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end
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vim.cmd('packadd! ${plugin.name}')
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'')
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devPlugins
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)
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# Prepend nvim and after directories to the runtimepath
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# NOTE: This is done after init.lua,
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# because of a bug in Neovim that can cause filetype plugins
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# to be sourced prematurely, see https://github.com/neovim/neovim/issues/19008
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# We prepend to ensure that user ftplugins are sourced before builtin ftplugins.
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+ ''
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vim.opt.rtp:prepend('${nvimRtp}/nvim')
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vim.opt.rtp:prepend('${nvimRtp}/after')
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'';
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# Add arguments to the Neovim wrapper script
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extraMakeWrapperArgs = builtins.concatStringsSep " " (
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# Set the NVIM_APPNAME environment variable
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(optional (appName != "nvim" && appName != null && appName != "")
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''--set NVIM_APPNAME "${appName}"'')
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# Add external packages to the PATH
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++ (optional (externalPackages != [])
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''--prefix PATH : "${makeBinPath externalPackages}"'')
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# Set the LIBSQLITE_CLIB_PATH if sqlite is enabled
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++ (optional withSqlite
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''--set LIBSQLITE_CLIB_PATH "${pkgs.sqlite.out}/lib/libsqlite3.so"'')
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# Set the LIBSQLITE environment variable if sqlite is enabled
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++ (optional withSqlite
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''--set LIBSQLITE "${pkgs.sqlite.out}/lib/libsqlite3.so"'')
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);
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luaPackages = neovim-unwrapped.lua.pkgs;
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resolvedExtraLuaPackages = extraLuaPackages luaPackages;
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# Native Lua libraries
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extraMakeWrapperLuaCArgs =
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optionalString (resolvedExtraLuaPackages != [])
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''--suffix LUA_CPATH ";" "${concatMapStringsSep ";" luaPackages.getLuaCPath resolvedExtraLuaPackages}"'';
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# Lua libraries
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extraMakeWrapperLuaArgs =
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optionalString (resolvedExtraLuaPackages != [])
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''--suffix LUA_PATH ";" "${concatMapStringsSep ";" luaPackages.getLuaPath resolvedExtraLuaPackages}"'';
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# wrapNeovimUnstable is the nixpkgs utility function for building a Neovim derivation.
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neovim-wrapped = pkgs-wrapNeovim.wrapNeovimUnstable neovim-unwrapped (neovimConfig
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// {
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luaRcContent = initLua;
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wrapperArgs =
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escapeShellArgs neovimConfig.wrapperArgs
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+ " "
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+ extraMakeWrapperArgs
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+ " "
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+ extraMakeWrapperLuaCArgs
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+ " "
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+ extraMakeWrapperLuaArgs;
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wrapRc = true;
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});
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isCustomAppName = appName != null && appName != "nvim";
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in
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neovim-wrapped.overrideAttrs (oa: {
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buildPhase =
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oa.buildPhase
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# If a custom NVIM_APPNAME has been set, rename the `nvim` binary
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+ lib.optionalString isCustomAppName ''
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mv $out/bin/nvim $out/bin/${lib.escapeShellArg appName}
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'';
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})
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