ignore based on .gitignore

" Define the wildignore from gitignore. Primarily for CommandT
let gitignore = '.gitignore'
if filereadable(gitignore)
    let igstring = ''
    for oline in readfile(gitignore)
        let line = substitute(oline, '\s|\n|\r', '', "g")
        if line =~ '^#' | con | endif
        if line == '' | con  | endif
        if line =~ '^!' | con  | endif
        if line =~ '/$' | let igstring .= "," . line . "*" | con | endif
        let igstring .= "," . line
    endfor
    let execstring = "set wildignore=".substitute(igstring,'^,','',"g")
    execute execstring
else
    echo 'Unable to find gitignore'
endif