vimrc

set nocompatible           " explicitly prefer nocompatible

filetype plugin indent on  " Load plugins according to detected filetype.
syntax on                  " Enable syntax highlighting.

set autoindent             " Indent according to previous line.
set expandtab              " Use spaces instead of tabs.
set softtabstop =4         " Tab key indents by 4 spaces.
set shiftwidth  =4         " >> indents by 4 spaces.
set shiftround             " >> indents to next multiple of 'shiftwidth'.

set backspace   =indent,eol,start  " Make backspace work as you would expect.
set hidden                 " Switch between buffers without having to save first.
set laststatus  =2         " Always show statusline.
set display     =lastline  " Show as much as possible of the last line.

set showmode               " Show current mode in command-line.
set showcmd                " Show already typed keys when more are expected.

set incsearch              " Highlight while searching with / or ?.
set hlsearch               " Keep matches highlighted.

set ttyfast                " Faster redrawing.
set lazyredraw             " Only redraw when necessary.

set splitbelow             " Open new windows below the current window.
set splitright             " Open new windows right of the current window.

set wrapscan               " Searches wrap around end-of-file.
set report      =0         " Always report changed lines.
set synmaxcol   =200       " Only highlight the first 200 columns.

set list                   " Show non-printable characters.
if has('multi_byte') && &encoding ==# 'utf-8'
  let &listchars = 'tab:▸ ,extends:❯,precedes:❮,nbsp:±'
else
  let &listchars = 'tab:> ,extends:>,precedes:<,nbsp:.'
endif

" Put all temporary files under the same directory.
set backup
set backupdir   =~/.vim/backup/,~/tmp//
set directory   =~/.vim/swap/,~/tmp//
set undodir     =~/.vim/undo/,~/tmp//
set viminfo     ='100,n~/.vim/info/viminfo

" plugin management with https://github.com/junegunn/vim-plug
call plug#begin('~/.vim/plugged')  " set plugin dir
Plug 'tpope/surround.vim'
Plug 'itchyny/lightline.vim'
Plug 'sheerun/vim-polyglot'
Plug 'udalov/kotlin-vim'
call plug#end()             " initial plugin system