call plug#begin('~/.vim/plugins')
Plug 'scrooloose/nerdtree' "folder navigation
Plug 'vim-airline/vim-airline' | Plug 'vim-airline/vim-airline-themes'
Plug 'kyoz/purify', { 'rtp': 'vim' }
call plug#end()
syntax on
filetype indent plugin on
set shell=/bin/bash
set nocompatible
set foldmethod=marker
set expandtab
set number
set shortmess+=I
set tabstop=4
set termguicolors
set cursorline
set mouse=a
set noshowmode
set wildmenu
set noshowcmd
if !isdirectory("~/.vim/undo")
    call system ("bash -c \"mkdir ~/.vim/undo\"")
endif
set undodir=~/.vim/undo
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
Purify
let g:purify_bold = 0        " default: 1
let g:purify_italic = 0      " default: 1
let g:purify_underline = 1   " default: 1
let g:purify_undercurl = 0   " default: 1
let g:purify_inverse = 0     " default: 1
autocmd ColorScheme purify hi CursorLine cterm=NONE ctermbg=235 ctermfg=NONE
colorscheme purify
let g:airline_theme='purify'
let g:airline#extensions#tabline#enabled=1
let g:airline#extensions#tabline#buffer_nr_show = 1
let g:airline_powerline_fonts = 1
let g:airline#extensions#tmuxline#enabled = 1