Sync up with gnus-5.6.41

[elisp/gnus.git-] / lisp / gnus-cache.el

diff --git a/lisp/gnus-cache.el b/lisp/gnus-cache.el
index 552167d..4612d17 100644 (file)
--- a/lisp/gnus-cache.el
+++ b/lisp/gnus-cache.el
@@ -74,6 +74,9 @@ it's not cached."
   :type '(choice (const :tag "off" nil)
                 regexp))
 
+(defvar gnus-cache-overview-coding-system 'raw-text
+  "Coding system used on Gnus cache files.")
+
 \f
 
 ;;; Internal variables.
@@ -121,7 +124,9 @@ it's not cached."
          (set-buffer buffer)
          (if (> (buffer-size) 0)
              ;; Non-empty overview, write it to a file.
-             (gnus-write-buffer overview-file)
+             (let ((coding-system-for-write
+                    gnus-cache-overview-coding-system))
+               (gnus-write-buffer overview-file))
            ;; Empty overview file, remove it
            (when (file-exists-p overview-file)
              (delete-file overview-file))
@@ -150,7 +155,7 @@ it's not cached."
              headers (copy-sequence headers))
        (mail-header-set-number headers (cdr result))))
     (let ((number (mail-header-number headers))
-         file dir)
+         file)
       (when (and number
                 (> number 0)           ; Reffed article.
                 (or force
@@ -164,7 +169,7 @@ it's not cached."
                 (not (file-exists-p (setq file (gnus-cache-file-name
                                                 group number)))))
        ;; Possibly create the cache directory.
-       (gnus-make-directory (setq dir (file-name-directory file)))
+       (gnus-make-directory (file-name-directory file))
        ;; Save the article in the cache.
        (if (file-exists-p file)
            t                           ; The article already is saved.