master bdb0774: thumbs.el: avoid creating thumbs directory on loading library

[Glenn Morris]

branch: master
commit bdb0774faf250798d043a93e8a7295df924c4c3b
Author: Glenn Morris <rgm@gnu.org>
Commit: Glenn Morris <rgm@gnu.org>

    thumbs.el: avoid creating thumbs directory on loading library
    
    * lisp/thumbs.el (thumbs-cleanup-thumbsdir):
    Don't create the thumbs directory if it does not exist.
---
 lisp/thumbs.el | 35 ++++++++++++++++++-----------------
 1 file changed, 18 insertions(+), 17 deletions(-)

diff --git a/lisp/thumbs.el b/lisp/thumbs.el
index 465d097..957940b 100644
--- a/lisp/thumbs.el
+++ b/lisp/thumbs.el
@@ -199,23 +199,24 @@ Create the thumbnails directory if it does not exist."
 If the total size of all files in `thumbs-thumbsdir' is bigger than
 `thumbs-thumbsdir-max-size', files are deleted until the max size is
 reached."
-  (let* ((files-list
-         (sort
-          (mapcar
-           (lambda (f)
-             (let ((fattribs-list (file-attributes f)))
-               `(,(file-attribute-access-time fattribs-list)
-                 ,(file-attribute-size fattribs-list)
-                 ,f)))
-           (directory-files (thumbs-thumbsdir) t (image-file-name-regexp)))
-          (lambda (l1 l2) (time-less-p (car l1) (car l2)))))
-        (dirsize (apply '+ (mapcar (lambda (x) (cadr x)) files-list))))
-    (while (> dirsize thumbs-thumbsdir-max-size)
-      (progn
-       (message "Deleting file %s" (cadr (cdar files-list))))
-      (delete-file (cadr (cdar files-list)))
-      (setq dirsize (- dirsize (car (cdar files-list))))
-      (setq files-list (cdr files-list)))))
+  (when (file-directory-p thumbs-thumbsdir)
+    (let* ((files-list
+           (sort
+            (mapcar
+             (lambda (f)
+               (let ((fattribs-list (file-attributes f)))
+                 `(,(file-attribute-access-time fattribs-list)
+                   ,(file-attribute-size fattribs-list)
+                   ,f)))
+             (directory-files (thumbs-thumbsdir) t (image-file-name-regexp)))
+            (lambda (l1 l2) (time-less-p (car l1) (car l2)))))
+          (dirsize (apply '+ (mapcar (lambda (x) (cadr x)) files-list))))
+      (while (> dirsize thumbs-thumbsdir-max-size)
+        (progn
+         (message "Deleting file %s" (cadr (cdar files-list))))
+        (delete-file (cadr (cdar files-list)))
+        (setq dirsize (- dirsize (car (cdar files-list))))
+        (setq files-list (cdr files-list))))))
 
 ;; Check the thumbnail directory size and clean it if necessary.
 (when thumbs-thumbsdir-auto-clean