.vimrc

set noerrorbells
set tabstop=2 softtabstop=2
set shiftwidth=2
set expandtab
set smartindent
set nu
set nowrap
set smartcase
set noswapfile
set nobackup
set undodir=~/.vim/undodir
set undofile
set incsearch
set relativenumber
set splitbelow
set nocompatible
"set colorcolumn=80
highlight ColorColumn ctermbg=0 guibg=lightgrey

call plug#begin('~/.vim/plugged')
Plug 'morhetz/gruvbox'
Plug 'preservim/nerdtree'
Plug 'Xuyuanp/nerdtree-git-plugin'
Plug 'tpope/vim-fugitive'
Plug 'vim-scripts/DoxygenToolkit.vim'
Plug 'vim-scripts/taglist.vim'
Plug 'sheerun/vim-polyglot'
Plug 'xolox/vim-session'
Plug 'xolox/vim-misc'
Plug 'fedorov7/vim-uefi'
Plug 'romainl/Apprentice'
call plug#end()

colorscheme gruvbox
"colorscheme apprentice

set bg=dark
let mapleader=" "
"Trailing whitespaces
highlight ExtraWhitespace ctermbg=red guibg=red
match ExtraWhitespace /\s\+$/
au BufWinEnter * match ExtraWhitespace /\s\+$/
au InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
au InsertLeave * match ExtraWhitespace /\s\+$/
au BufWinLeave * call clearmatches()

"NERDTree keymaps
nnoremap <leader>t :NERDTreeToggle<CR>

"Remove all trailing whitespace by pressing F5
nnoremap <F5> :let _s=@/<Bar>:%s/\s\+$//e<Bar>:let @/=_s<Bar><CR>

"Paste in visual mode without overwriting yank buffer
vnoremap p "_dP
let g:session_autosave='no'