An informative status line in vim

vim status line

" show little divider at bottom of vim
set laststatus=2 

 "an informative status line
 set statusline=\[%t%m]\ [FORMAT=%{&ff}]\ [TYPE=%Y]\ [LINE=%04l,COL=%04v]\ %{GitBranch()} 
 

 " Function to display git branch
function! GitBranch()
    let branch = system("git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* //'")
    if branch != ''
        return '[Git Branch: ' . substitute(branch, '\n', '', 'g') . ']'
    en
    return ''
endfunction