.vimrc

colorscheme vividchalk

" General
set nobackup
set nowritebackup
set directory=~/.vim/tmp " directory to place swap files in
set clipboard=unnamed " share clipboard
set hidden " you can change buffers without saving
set list " show whitespace
set nocompatible " explicitly get out of vi-compatible mode
set noerrorbells " don't make noise
set noexrc " don't use local version of .(g)vimrc, .exrc
set nojoinspaces " gq and J don't use 2 spaces after .
set nomodeline " ignore modeline settings in files
set number relativenumber " show numbers relative to position
set virtualedit=all " cursor can select empty cells

" Text Formatting/Layout
set ignorecase " case insensitive by default
set nowrap " do not wrap line
set shiftround " when at 3 spaces, and I hit > ... go to 4, not 5
set smartcase " if there are caps, go case-sensitive
set shiftwidth=2
set softtabstop=2
set tabstop=2
set expandtab " use soft tabs by default

" Don't let vim override tabstop in markdown files
let g:markdown_recommended_style=0

" Relative Number
augroup numbertoggle
  autocmd!
  autocmd BufEnter,FocusGained,InsertLeave * set relativenumber
  autocmd BufLeave,FocusLost,InsertEnter   * set norelativenumber
augroup END

" Folding
set foldenable
set foldmethod=manual

" Split navigation ctrl-[hjkl]
nmap <silent> <c-k> :wincmd k<CR>
nmap <silent> <c-j> :wincmd j<CR>
nmap <silent> <c-h> :wincmd h<CR>
nmap <silent> <c-l> :wincmd l<CR>

" Remove trailing whitespace before saving
au BufWritePre * :%s/\s\+$//e

" Markdown files have 80 char line length
au BufRead,BufNewFile *.md setlocal textwidth=80