[Ag] Print error message when ag is not found on $PATH

Close #440
2017-09-01 11:10:42 +09:00 · 2017-09-01 11:10:42 +09:00 · 0b0d9f0912
commit 0b0d9f0912
parent 39f0c2d0a4
1 changed files with 3 additions and 0 deletions
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@ -649,6 +649,9 @@ endfunction

 " ag command suffix, [options]
 function! fzf#vim#ag_raw(command_suffix, ...)
+  if !executable('ag')
+    return s:warn('ag is not found')
+  endif
  return call('fzf#vim#grep', extend(['ag --nogroup --column --color '.a:command_suffix, 1], a:000))
 endfunction