(choose-completion-string): Don't exit the minibuffer

when a directory name is chosen.

diff --git a/lisp/simple.el b/lisp/simple.el
index 11dd51da17d70d4411f6ad8bf4302b1697b6d631..aba6583b34ff8e7543ada2608446602e84a40f03 100644 (file)
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -2930,6 +2930,9 @@ With prefix argument N, move N items (negative N means move backward)."
 ;; Switch to BUFFER and insert the completion choice CHOICE.
 ;; BASE-SIZE, if non-nil, says how many characters of BUFFER's text
 ;; to keep.  If it is nil, use choose-completion-delete-max-match instead.
+
+;; If BUFFER is the minibuffer, exit the minibuffer
+;; unless it is reading a file name and CHOICE is a directory.
 (defun choose-completion-string (choice &optional buffer base-size)
   (let ((buffer (or buffer completion-reference-buffer)))
     ;; If BUFFER is a minibuffer, barf unless it's the currently
@@ -2953,7 +2956,12 @@ With prefix argument N, move N items (negative N means move backward)."
       ;; If completing for the minibuffer, exit it with this choice.
       (and (equal buffer (window-buffer (minibuffer-window)))
           minibuffer-completion-table
-          (exit-minibuffer)))))
+          ;; If this is reading a file name, and the file name chosen
+          ;; is a directory, don't exit the minibuffer.
+          (if (and (eq minibuffer-completion-table 'read-file-name-internal)
+                   (file-directory-p (buffer-string)))
+              (select-window (active-minibuffer-window))
+            (exit-minibuffer))))))
 
 (defun completion-list-mode ()
   "Major mode for buffers showing lists of possible completions.