(jka-compr-load-suffixes): New var.

(jka-compr-install): Add its content to load-suffixes.
(jka-compr-uninstall): Remove its content from load-suffixes.

1 files changed, 22 insertions, 6 deletions

diff --git a/lisp/jka-compr.el b/lisp/jka-compr.el
index 1239fb39744..23e183b3548 100644
--- a/lisp/jka-compr.el
+++ b/lisp/jka-compr.el
@@ -202,6 +202,9 @@ invoked."
   (list (cons "\\.tgz\\'" 'tar-mode))
   "A list of pairs to add to `auto-mode-alist' when jka-compr is installed.")
 
+(defvar jka-compr-load-suffixes '(".gz")
+  "List of suffixes to try when loading files.")
+
 ;; List of all the elements we actually added to file-coding-system-alist.
 (defvar jka-compr-added-to-file-coding-system-alist nil)
 
@@ -804,7 +807,16 @@ and `inhibit-first-line-modes-suffixes'."
                                 inhibit-first-line-modes-suffixes)))))
    jka-compr-compression-info-list)
   (setq auto-mode-alist
-        (append auto-mode-alist jka-compr-mode-alist-additions)))
+        (append auto-mode-alist jka-compr-mode-alist-additions))
+
+  ;; Make sure that (load "foo") will find /bla/foo.el.gz.
+  (setq load-suffixes
+        (apply 'append
+               (mapcar (lambda (suffix)
+                         (cons suffix
+                               (mapcar (lambda (ext) (concat suffix ext))
+                                       jka-compr-load-suffixes)))
+                       load-suffixes))))
 
 
 (defun jka-compr-uninstall ()
@@ -856,7 +868,15 @@ by `jka-compr-installed'."
           (setcdr last (cdr (cdr last)))
         (setq last (cdr last))))
     
-    (setq file-coding-system-alist (cdr ama))))
+    (setq file-coding-system-alist (cdr ama)))
+
+  ;; Remove the suffixes that were added by jka-compr.
+  (let ((suffixes nil)
+        (re (jka-compr-build-file-regexp)))
+    (dolist (suffix load-suffixes)
+      (unless (string-match re suffix)
+        (push suffix suffixes)))
+    (setq load-suffixes (nreverse suffixes))))
 
       
 (defun jka-compr-installed-p ()
@@ -881,10 +901,6 @@ The return value is the entry in `file-name-handler-alist' for jka-compr."
      (jka-compr-uninstall))
 
 
-;;; Note this definition must be at the end of the file, because
-;;; `define-minor-mode' actually calls the mode-function if the
-;;; associated variable is non-nil, which requires that all needed
-;;; functions be already defined.  [This is arguably a bug in d-m-m]
 ;;;###autoload
 (define-minor-mode auto-compression-mode
   "Toggle automatic file compression and uncompression.