Fix buffer-list rename&refresh after after killing a buffer in ido.

* lisp/ido.el: Revert Óscar's.
(ido-kill-buffer-at-head): Exit the minibuffer with ido-exit=refresh.
Remember the buffers at head, rather than their name.
* lisp/iswitchb.el (iswitchb-kill-buffer): Re-make the list.

3 files changed, 40 insertions, 44 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index f6aa59c2db5..2318ce84600 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,11 @@
+2010-08-21  Leo  <sdl.web@gmail.com>
+
+        Fix buffer-list rename&refresh after after killing a buffer in ido.
+        * lisp/ido.el: Revert Óscar's.
+        (ido-kill-buffer-at-head): Exit the minibuffer with ido-exit=refresh.
+        Remember the buffers at head, rather than their name.
+        * lisp/iswitchb.el (iswitchb-kill-buffer): Re-make the list.
+
 2010-08-21  Kirk Kelsey  <kirk.kelsey@0x4b.net>  (tiny change)
             Stefan Monnier  <monnier@iro.umontreal.ca>
 
diff --git a/lisp/ido.el b/lisp/ido.el
index 6cedccb3787..a4409775a86 100644
--- a/lisp/ido.el
+++ b/lisp/ido.el
@@ -1042,11 +1042,11 @@ Value is an integer which is number of chars to right of prompt.")
 ;; Stores the current list of items that will be searched through.
 ;; The list is ordered, so that the most interesting item comes first,
 ;; although by default, the files visible in the current frame are put
-;; at the end of the list.
-(defvar ido-cur-list nil)
+;; at the end of the list.  Created by `ido-make-item-list'.
+(defvar ido-cur-list)
 
 ;; Stores the choice list for ido-completing-read
-(defvar ido-choice-list nil)
+(defvar ido-choice-list)
 
 ;; Stores the list of items which are ignored when building
 ;; `ido-cur-list'.  It is in no specific order.
@@ -3348,12 +3348,9 @@ for first matching file."
     (if ido-temp-list
         (nconc ido-temp-list ido-current-buffers)
       (setq ido-temp-list ido-current-buffers))
-    (if (and default (buffer-live-p (get-buffer default)))
-        (progn
-          (setq ido-temp-list
-                (delete default ido-temp-list))
-          (setq ido-temp-list
-                (cons default ido-temp-list))))
+    (if default
+        (setq ido-temp-list
+              (cons default (delete default ido-temp-list))))
     (run-hooks 'ido-make-buffer-list-hook)
     ido-temp-list))
 
@@ -3594,7 +3591,6 @@ for first matching file."
   ;; Used by `ido-get-buffers-in-frames' to walk through all windows
   (let ((buf (buffer-name (window-buffer win))))
         (unless (or (member buf ido-bufs-in-frame)
-                    (minibufferp buf)
                     (member buf ido-ignore-item-temp-list))
           ;; Only add buf if it is not already in list.
           ;; This prevents same buf in two different windows being
@@ -3835,27 +3831,6 @@ for first matching file."
               ;;(add-hook 'completion-setup-hook 'completion-setup-function)
               (display-completion-list completion-list)))))))
 
-(defun ido-kill-buffer-internal (buf)
-  "Kill buffer BUF and rebuild ido's buffer list if needed."
-  (if (not (kill-buffer buf))
-      ;; buffer couldn't be killed.
-      (setq ido-rescan t)
-    ;; else buffer was killed so remove name from list.
-    (setq ido-cur-list (delq buf ido-cur-list))
-    ;; Some packages, like uniquify.el, may rename buffers when one
-    ;; is killed, so we need to test this condition to avoid using
-    ;; an outdated list of buffer names. We don't want to always
-    ;; rebuild the list of buffers, as this alters the previous
-    ;; buffer order that the user was seeing on the prompt. However,
-    ;; when we rebuild the list, we try to keep the previous second
-    ;; buffer as the first one.
-    (catch 'update
-      (dolist (b ido-cur-list)
-        (unless (get-buffer b)
-          (setq ido-cur-list (ido-make-buffer-list (cadr ido-matches)))
-          (setq ido-rescan t)
-          (throw 'update nil))))))
-
 ;;; KILL CURRENT BUFFER
 (defun ido-kill-buffer-at-head ()
   "Kill the buffer at the head of `ido-matches'.
@@ -3864,15 +3839,26 @@ If cursor is not at the end of the user input, delete to end of input."
   (if (not (eobp))
       (delete-region (point) (line-end-position))
     (let ((enable-recursive-minibuffers t)
-          (buf (ido-name (car ido-matches))))
-      (when buf
-        (ido-kill-buffer-internal buf)
-        ;; Check if buffer still exists.
-        (if (get-buffer buf)
-            ;; buffer couldn't be killed.
+          (buf (ido-name (car ido-matches)))
+          (nextbuf (cadr ido-matches)))
+      (when (get-buffer buf)
+        ;; If next match names a buffer use the buffer object; buffer
+        ;; name may be changed by packages such as uniquify; mindful
+        ;; of virtual buffers.
+        (when (and nextbuf (get-buffer nextbuf))
+          (setq nextbuf (get-buffer nextbuf)))
+        (if (null (kill-buffer buf))
+            ;; Buffer couldn't be killed.
             (setq ido-rescan t)
-          ;; else buffer was killed so remove name from list.
-          (setq ido-cur-list (delq buf ido-cur-list)))))))
+          ;; Else `kill-buffer' succeeds so re-make the buffer list
+          ;; taking into account packages like uniquify may rename
+          ;; buffers.
+          (if (bufferp nextbuf)
+              (setq nextbuf (buffer-name nextbuf)))
+          (setq ido-default-item nextbuf
+                ido-text-init ido-text
+                ido-exit 'refresh)
+          (exit-minibuffer))))))
 
 ;;; DELETE CURRENT FILE
 (defun ido-delete-file-at-head ()
@@ -3910,7 +3896,7 @@ Record command in `command-history' if optional RECORD is non-nil."
      ((eq method 'kill)
       (if record
           (ido-record-command 'kill-buffer buffer))
-      (ido-kill-buffer-internal buffer))
+      (kill-buffer buffer))
 
      ((eq method 'other-window)
       (if record
diff --git a/lisp/iswitchb.el b/lisp/iswitchb.el
index ea4b00dc90d..081897a89b3 100644
--- a/lisp/iswitchb.el
+++ b/lisp/iswitchb.el
@@ -1027,8 +1027,8 @@ Return the modified list with the last element prepended to it."
 (defun iswitchb-kill-buffer ()
   "Kill the buffer at the head of `iswitchb-matches'."
   (interactive)
-  (let ( (enable-recursive-minibuffers t)
-         buf)
+  (let ((enable-recursive-minibuffers t)
+        buf)
 
     (setq buf (car iswitchb-matches))
     ;; check to see if buf is non-nil.
@@ -1042,8 +1042,10 @@ Return the modified list with the last element prepended to it."
           (if (get-buffer buf)
               ;; buffer couldn't be killed.
               (setq iswitchb-rescan t)
-            ;; else buffer was killed so remove name from list.
-            (setq iswitchb-buflist  (delq buf iswitchb-buflist)))))))
+            ;; Else `kill-buffer' succeeds so re-make the buffer list
+            ;; taking into account packages like uniquify may rename
+            ;; buffers
+            (iswitchb-make-buflist iswitchb-default))))))
 
 ;;; VISIT CHOSEN BUFFER
 (defun iswitchb-visit-buffer (buffer)