From: PHO <pho@cielonegro.org>
Date: Thu, 20 Sep 2018 08:40:56 +0000 (+0900)
Subject: Auto commit by The Sugar System.
X-Git-Url: http://git.cielonegro.org/gitweb.cgi?p=sugar.git;a=commitdiff_plain;h=c1aa3d72d715c7c7cc1e5dea3342230aed4b38b4

Auto commit by The Sugar System.
---

diff --git a/dot-files/_emacs_el b/dot-files/_emacs_el
index 632ebef..01c8b7b 100644
--- a/dot-files/_emacs_el
+++ b/dot-files/_emacs_el
@@ -42,6 +42,42 @@
 ;; windmove
 (windmove-default-keybindings)
 
+;; file renaming
+;; Originally from stevey, adapted to support moving to a new directory.
+(defun rename-file-and-buffer (new-name)
+  "Renames both current buffer and file it's visiting to NEW-NAME."
+  (interactive
+   (progn
+     (if (not (buffer-file-name))
+         (error "Buffer '%s' is not visiting a file!" (buffer-name)))
+     ;; Disable ido auto merge since it too frequently jumps back to the original
+     ;; file name if you pause while typing. Reenable with C-z C-z in the prompt.
+     (let ((ido-auto-merge-work-directories-length -1))
+       (list (read-file-name (format "Rename %s to: " (file-name-nondirectory
+                                                       (buffer-file-name))))))))
+  (if (equal new-name "")
+      (error "Aborted rename"))
+  (setq new-name (if (file-directory-p new-name)
+                     (expand-file-name (file-name-nondirectory
+                                        (buffer-file-name))
+                                       new-name)
+                   (expand-file-name new-name)))
+  ;; Only rename if the file was saved before. Update the
+  ;; buffer name and visited file in all cases.
+  (if (file-exists-p (buffer-file-name))
+      (rename-file (buffer-file-name) new-name 1))
+  (let ((was-modified (buffer-modified-p)))
+    ;; This also renames the buffer, and works with uniquify
+    (set-visited-file-name new-name)
+    (if was-modified
+        (save-buffer)
+      ;; Clear buffer-modified flag caused by set-visited-file-name
+      (set-buffer-modified-p nil)))
+
+  (setq default-directory (file-name-directory new-name))
+
+  (message "Renamed to %s." new-name))
+
 ;; Host specific configuration ------------------------------------------------
 (let ((host (system-name)))
   (cond ((equal host "aria.cielonegro.org")