" Example vimrc file to bind a key to FixImports.
nm <silent> ,a :call FixImports()<cr>
" Run the contents of the current buffer through the FixImports cmd. Print
" any stderr output on the status line.
" Remove 'a' from cpoptions if you don't want this to mess up #.
function FixImports()
let out = tempname()
let err = tempname()
let tmp = tempname()
" Using a tmp file means I don't have to save the buffer, which the user
" didn't ask for.
execute 'write' tmp
execute 'silent !FixImports -v' expand('%') '<' tmp '>' out '2>' err
let errs = readfile(err)
if v:shell_error == 0
" Is there an easier way to replace the buffer with a file?
let old_line = line('.')
let old_col = col('.')
let old_total = line('$')
%d
execute 'silent :read' out
0d
let new_total = line('$')
" If the import fix added or removed lines I need to take that into
" account. This will be wrong if the cursor was above the import
" block.
call cursor(old_line + (new_total - old_total), old_col)
" The reload will forget fold state. It was open, right?
if foldclosed('.') != -1
execute 'normal zO'
endif
endif
call delete(out)
call delete(err)
call delete(tmp)
redraw!
if !empty(errs)
echohl WarningMsg
echo join(errs)
echohl None
endif
endfunction