nixos-configuration/home/neovim/neovim.nix

{ pkgs, ... }:
let
  config = {
    plugins = with pkgs.vimPlugins; [
      packer-nvim
      # vim-colors-solarized

      # coc-nvim
      # coc-rust-analyzer
      # coc-pyright
      # coc-go

      # # orgmode-nvim
      # # nvim-treesitter

      # ctrlp-vim
      # editorconfig-vim
      # vim-gist
      # goyo-vim
      # # gopls
      # neomake
      # rust-vim
      # solarized
      # vim-commentary
      # vim-dispatch
      # vim-fugitive
      # vim-gitgutter
      # vim-lastplace
      # vim-nix
      # vim-polyglot
      # vim-repeat
      # # vim-scala
      # vim-sleuth
      # vim-surround
      # vim-trailing-whitespace
      # # vimtex
      # vimux
      # vimwiki
    ];
    enable = true;
    # extraConfig = ''
    #   set background=dark
    #   " allow switching away from unsaved buffers
    #   set hidden
    #   set history=1000

    #   set updatetime=300

    #   set expandtab
    #   set shiftwidth=2
    #   set tabstop=2

    #   set ignorecase
    #   set smartcase

    #   set number
    #   set relativenumber

    #   set backupdir=$HOME/.vim/backupfiles//
    #   set directory=$HOME/.vim/swapfiles//
    #   set undodir=$HOME/.vim/undofiles//
    #   set undofile

    #   set nocompatible

    #   filetype plugin indent on

    #   " always set autoindenting on
    #   set autoindent
    #   " smart indent; stop indent when closing brackets etc
    #   set smartindent
    #   " two spaces after .?! when joining lines
    #   set joinspaces

    #   " highlight search result
    #   set hlsearch
    #   " incremental search
    #   set incsearch
    #   set nolazyredraw

    #   " delete whitespace, line break and char using <BS>
    #   set backspace=indent,eol,start
    #   " always show curser position
    #   set ruler

    #   " yank into system clipboard
    #   set clipboard=unnamedplus

    #   colorscheme solarized
    #   " true color
    #   set termguicolors
    #   " make true colors work in tmux
    #   let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
    #   let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"

    #   " set textwidth=80
    #   set colorcolumn=+1
    #   set signcolumn=yes
    #   " highlight current line
    #   set cursorline

    #   " encoding
    #   set fileencoding=utf-8

    #   " break at last word instead of last char
    #   set linebreak

    #   " autoload file changes
    #   set autoread

    #   set smarttab

    #   set softtabstop=2
    #   set shiftround

    #   " invisible characters
    #   set list
    #   " set listchars=tab:â\ ,eol:¬,trail:â,extends:â¯,precedes:â®
    #   " set showbreak=âª

    #   " code folding settings
    #   " fold based on syntax
    #   set foldmethod=indent
    #   " don't fold by default
    #   set nofoldenable
    #   set foldlevel=1

    #   " smoother redrawing
    #   set ttyfast
    #   " diff with vertical split
    #   set diffopt+=vertical
    #   " show the status line all the time
    #   set laststatus=2
    #   " keep 5 lines on the screen when scrolling
    #   set scrolloff=5
    #   " enhanced command line completion
    #   set wildmenu
    #   " Search down into subfolders
    #   " Provides tab-completion for all file-related tasks
    #   set path+=**

    #   " show incomplete commands
    #   set showcmd

    #   " complete files like a shell
    #   set wildmode=list:longest

    #   " command bar height
    #   set cmdheight=1
    #   " set terminal title
    #   set title
    #   " set shortmess+=TOFwatc
    #   set shortmess+=c

    #   " show matching braces
    #   set showmatch
    #   " how many tenths of a second to blink
    #   set mat=2
    #   " set spell langs
    #   set spelllang=de,en

    #   syntax enable
    #   " let g:polyglot_disabled=['latex']
    #   " highlight clear SpellBad
    #   " highlight SpellBad cterm=undercurl

    #   " " Only do this part when compiled with support for autocommands.
    #   " if has("autocmd")
    #   " " Put these in an autocmd group, so that we can delete them easily.
    #   " augroup vimrcEx
    #   " au!
    #   " autocmd FileType text setlocal foldtext<
    #   " augroup END
    #   " endif " has("autocmd")

    #   " error bells
    #   set errorbells
    #   set visualbell
    #   set timeoutlen=500

    #   " turn on manpages (:Man)
    #   runtime ftplugin/man.vim

    #   " set a map leader for more key combos
    #   let mapleader=','

    #   " clear highlighted search
    #   noremap <space> :nohlsearch<cr>

    #   " enable . command in visual mode
    #   vnoremap . :normal .<cr>

    #   " make the highlighting of tabs and other non-text less annoying
    #   highlight SpecialKey ctermbg=none ctermfg=8
    #   highlight NonText ctermbg=none ctermfg=8

    #   " other color for popup
    #   highlight Pmenu ctermbg=gray guibg=gray

    #   " ctrlp
    #   " order top to bottom
    #   let g:ctrlp_match_window='bottom,order::ttb'
    #   " open files in new buffer
    #   let g:ctrlp_switch_buffer=0
    #   " use ripgrep if available
    #   if executable('rg')
    #   set grepprg=rg\ --color=never
    #   let g:ctrlp_user_command='rg %s --files -i --color=never --glob ""'
    #   let g:ctrlp_use_caching=0
    #   endif

    #   " set textwidth for mails
    #   autocmd FileType mail setlocal textwidth=72

    #   " count wraped lines as one line when doing relative jumps
    #   noremap <silent> <expr> j (v:count == 0 ? 'gj' : 'j')
    #   noremap <silent> <expr> k (v:count == 0 ? 'gk' : 'k')

    #   " scroll the viewport faster
    #   nnoremap <C-e> 3<C-e>
    #   nnoremap <C-y> 3<C-y>

    #   "" Section AutoGroups {{{
    #   "" file type specific settings
    #   augroup configgroup
    #   autocmd!

    #   " automatically resize panes on resize
    #   autocmd VimResized * exe 'normal! \<c-w>='
    #   autocmd BufWritePost .vimrc,.vimrc.local,init.vim source %
    #   " save all files on focus lost, ignoring warnings about untitled buffers
    #   autocmd FocusLost * silent! wa

    #   " make quickfix windows take all the lower section of the screen
    #   " when there are multiple windows open
    #   autocmd FileType qf wincmd J

    #   autocmd! BufWritePost * Neomake
    #   augroup END
    #   " }}}

    #   " Append modeline after last line in buffer.
    #   " Use substitute() instead of printf() to handle '%%s' modeline in LaTeX files.
    #   function! AppendModeline()
    #   let l:modeline = printf(" vim: set filetype=%s ts=%d sw=%d tw=%d %s :",
    #   \ &filetype, &tabstop, &shiftwidth, &textwidth, &expandtab ? 'et' : 'noet')
    #   let l:modeline = substitute(&commentstring, "%s", l:modeline, "")
    #   call append(line("$"), l:modeline)
    #   endfunction
    #   nnoremap <silent> <Leader>ml :call AppendModeline()<CR>

    #   " netrw settings
    #   " disable banner
    #   let g:netrw_banner=0
    #   " open in prior window
    #   let g:netrw_browse_split=4
    #   " open splits to the right
    #   let g:netrw_altv=1
    #   " treeview
    #   let g:netrw_liststyle=3
    #   let g:netrw_list_hide=netrw_gitignore#Hide()
    #   let g:netrw_list_hide.=',\(^\|\s\s\)\zs\.\S\+'

    #   " vimux mappings
    #   " Prompt for a command
    #   map <Leader>vp :VimuxPromptCommand<CR>
    #   " Prompt for a make command
    #   map <Leader>vm :VimuxPromptCommand("make ")<CR>
    #   " Inspect runner pane
    #   map <Leader>vi :VimuxInspectRunner<CR>
    #   " Close runner
    #   map <Leader>vq :VimuxCloseRunner<CR>
    #   " Rerun last command
    #   map <Leader>vv :VimuxRunLastCommand<CR>
    #   " Stop running command
    #   map <Leader>vs :VimuxInterruptRunner<CR>

    #   " close Goyo *and* vim with :q
    #   function! s:goyo_enter()
    #   let b:quitting=0
    #   let b:quitting_bang=0
    #   autocmd QuitPre <buffer> let b:quitting=1
    #   cabbrev <buffer> q! let b:quitting_bang=1 <bar> q!
    #   endfunction

    #   function! s:goyo_leave()
    #   " Quit Vim if this is the only remaining buffer
    #   if b:quitting && len(filter(range(1, bufnr('$')), 'buflisted(v:val)')) == 1
    #   if b:quitting_bang
    #   qa!
    #   else
    #   qa
    #   endif
    #   endif
    #   endfunction
    #   autocmd! User GoyoEnter call <SID>goyo_enter()
    #   autocmd! User GoyoLeave call <SID>goyo_leave()

    #   " run rustfmt when saving a file
    #   let g:rustfmt_autosave=1

    #   au BufRead,BufNewFile *.sbt set filetype=scala

    #   " textwidth for emails
    #   au BufRead /tmp/*mutt-* set tw=72
    #   augroup filetypedetect
    #     " Mail
    #     autocmd BufRead,BufNewFile *mutt-*              setfiletype mail
    #   augroup END


    #   let g:coc_global_extensions = [
    #     \ 'coc-explorer',
    #     \ 'coc-snippets',
    #     \ 'coc-pairs'
    #   \ ]
    #   nmap ge :CocCommand explorer<CR>
    #   " Use tab for trigger completion with characters ahead and navigate.
    #   " Use command ':verbose imap <tab>' to make sure tab is not mapped by other plugin.
    #   inoremap <silent><expr> <TAB>
    #   \ pumvisible() ? "\<C-n>" :
    #   \ <SID>check_back_space() ? "\<TAB>" :
    #   \ coc#refresh()
    #   inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

    #   function! s:check_back_space() abort
    #   let col = col('.') - 1
    #   return !col || getline('.')[col - 1]  =~# '\s'
    #   endfunction

    #   " Use <c-space> to trigger completion.
    #   inoremap <silent><expr> <c-space> coc#refresh()

    #   " Use <cr> to confirm completion, `<C-g>u` means break undo chain at current position.
    #   " Coc only does snippet and additional edit on confirm.
    #   inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
    #   " Or use `complete_info` if your vim support it, like:
    #   " inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"

    #   " Use `[g` and `]g` to navigate diagnostics
    #   nmap <silent> [g <Plug>(coc-diagnostic-prev)
    #   nmap <silent> ]g <Plug>(coc-diagnostic-next)

    #   " Remap keys for gotos
    #   nmap <silent> gd <Plug>(coc-definition)
    #   nmap <silent> gy <Plug>(coc-type-definition)
    #   nmap <silent> gi <Plug>(coc-implementation)
    #   nmap <silent> gr <Plug>(coc-references)

    #   " Use K to show documentation in preview window
    #   nnoremap <silent> K :call <SID>show_documentation()<CR>

    #   function! s:show_documentation()
    #   if (index(['vim','help'], &filetype) >= 0)
    #   execute 'h '.expand('<cword>')
    #   else
    #   call CocAction('doHover')
    #   endif
    #   endfunction

    #   " Highlight symbol under cursor on CursorHold
    #   autocmd CursorHold * silent call CocActionAsync('highlight')

    #   " Remap for rename current word
    #   nmap <leader>rn <Plug>(coc-rename)

    #   " Remap for format selected region
    #   xmap <leader>f  <Plug>(coc-format-selected)
    #   nmap <leader>f  <Plug>(coc-format-selected)

    #   augroup mygroup
    #   autocmd!
    #   " Setup formatexpr specified filetype(s).
    #   autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
    #   " Update signature help on jump placeholder
    #   autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
    #   augroup end

    #   " Remap for do codeAction of selected region, ex: `<leader>aap` for current paragraph
    #   xmap <leader>a  <Plug>(coc-codeaction-selected)
    #   nmap <leader>a  <Plug>(coc-codeaction-selected)

    #   " Remap for do codeAction of current line
    #   nmap <leader>ac  <Plug>(coc-codeaction)
    #   " Fix autofix problem of current line
    #   nmap <leader>qf  <Plug>(coc-fix-current)

    #   " Create mappings for function text object, requires document symbols feature of languageserver.
    #   xmap if <Plug>(coc-funcobj-i)
    #   xmap af <Plug>(coc-funcobj-a)
    #   omap if <Plug>(coc-funcobj-i)
    #   omap af <Plug>(coc-funcobj-a)

    #   " Use <C-d> for select selections ranges, needs server support, like: coc-tsserver, coc-python
    #   nmap <silent> <C-d> <Plug>(coc-range-select)
    #   xmap <silent> <C-d> <Plug>(coc-range-select)

    #   " Use `:Format` to format current buffer
    #   command! -nargs=0 Format :call CocAction('format')

    #   " Use `:Fold` to fold current buffer
    #   command! -nargs=? Fold :call     CocAction('fold', <f-args>)

    #   " use `:OR` for organize import of current buffer
    #   command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')

    #   " Add status line support, for integration with other plugin, checkout `:h coc-status`
    #   " set statusline^=%{coc#status()}%{get(b:,'coc_current_function',''')}

    #   " Using CocList
    #   " Show all diagnostics
    #   nnoremap <silent> <space>a  :<C-u>CocList diagnostics<cr>
    #   " Manage extensions
    #   nnoremap <silent> <space>e  :<C-u>CocList extensions<cr>
    #   " Show commands
    #   nnoremap <silent> <space>c  :<C-u>CocList commands<cr>
    #   " Find symbol of current document
    #   nnoremap <silent> <space>o  :<C-u>CocList outline<cr>
    #   " Search workspace symbols
    #   nnoremap <silent> <space>s  :<C-u>CocList -I symbols<cr>
    #   " Do default action for next item.
    #   nnoremap <silent> <space>j  :<C-u>CocNext<CR>
    #   " Do default action for previous item.
    #   nnoremap <silent> <space>k  :<C-u>CocPrev<CR>
    #   " Resume latest coc list
    #   nnoremap <silent> <space>p  :<C-u>CocListResume<CR>

    #   " properly find root for py projects in workspace
    #   autocmd FileType python let b:coc_root_patterns = ['.git', '.env', 'venv', '.venv', 'setup.cfg', 'setup.py', 'pyproject.toml', 'pyrightconfig.json']

    #   " let g:tex_flavor = 'latex'
    # '';
      # lua << EOF
      #   ${builtins.readFile ./init.lua}
      # EOF
      # generatedConfigs = {
      #   lua = builtins.readFile ./plugins.lua;
      # };
      extraConfig = ''
      ${builtins.readFile ./init.vim}

      lua << EOF
        ${builtins.readFile ./init.lua}
      EOF
    '';
  };
in {
  # Note that this doesn’t merge deeply, so you couldn’t add to plugins. For that
  # you can use the nixos module system’s mkMerge with
  # programs.neovim = lib.mkMerge [ config { vimAlias = true; } ]

  programs.neovim = {
    vimAlias = true;
    viAlias = true;
    coc = {
      enable = true;
      # settings = {
      #   "rust-analyzer.serverPath" = "${pkgs.rust-analyzer}/bin/rust-analyzer";
      #   "gopls.experimentalWorkspaceModule" = true;
      # };
    };
  } // config;
  # programs.vim = config;

  # xdg.configFile."nvim/coc-settings.json".text = builtins.toJSON {
  #   # "go.goplsPath" = "${gopls}/bin/gopls";
  # };

}