Anonymous

""func SetBackupMode(bufname)""	let rs = system('hammer version ' . shellescape(a:bufname))""	if v:shell_error == 0""		let rs = system('ls -lo ' . shellescape(a:bufname) . '|cut -w -f 5 | grep -v -E "no(u)?history"')""	end""	if v:shell_error == 0""		set nowritebackup nobackup""	else""		set writebackup backup""	endif""endfunc""""au BufWritePre,FileAppendPre,FileWritePre * :call SetBackupMode(expand('<afile>'))