Add a count to Copen to set quickfix height

Author: shym

autoload/dispatch.vim

@@ -842,7 +842,12 @@ endfunction
 " }}}1
 " Quickfix window {{{1
 
-function! dispatch#copen(bang) abort
+function! dispatch#copen(bang, count) abort
+  if a:count != 0
+    let g:dispatch_quickfix_height = a:count
+  elseif has_key(g:, 'dispatch_quickfix_height')
+    unlet g:dispatch_quickfix_height
+  endif
   if empty(s:makes)
     return 'echoerr ' . string('No dispatches yet')
   endif

plugin/dispatch.vim

@@ -25,7 +25,7 @@ command! -bang -nargs=* -complete=customlist,dispatch#command_complete Spawn
 command! -bang -nargs=* -complete=customlist,dispatch#command_complete Start
       \ execute dispatch#start_command(<bang>0, <q-args>)
 
-command! -bang -bar Copen call dispatch#copen(<bang>0)
+command! -bang -count -bar Copen call dispatch#copen(<bang>0, <count>)
 
 function! DispatchComplete(id) abort
   return dispatch#complete(a:id)