#!/bin/bash

bg=$1

case "$bg" in
*1*|w*|light)
    cat <<EOT
set background=light
highlight DiffAdd    ctermbg=11
highlight DiffDelete ctermfg=159 ctermbg=159
highlight DiffChange ctermbg=11
highlight DiffText   ctermbg=159
highlight Search     ctermfg=15 ctermbg=17
EOT
    ;;
*0*|b*|dark|*)
    cat <<EOT
set background=dark
highlight DiffAdd    ctermbg=17
highlight DiffDelete ctermfg=52 ctermbg=52
highlight DiffChange ctermbg=17
highlight DiffText   ctermbg=52
highlight Search     ctermfg=0 ctermbg=11
EOT
    ;;
esac >~/local/vimrc-background