nnmairix.el: Fix up Version: header that might confuse package.el

[gnus] / lisp / gnus-cloud.el

diff --git a/lisp/gnus-cloud.el b/lisp/gnus-cloud.el
index f9f7fdc..c47976b 100644 (file)
--- a/lisp/gnus-cloud.el
+++ b/lisp/gnus-cloud.el
@@ -26,6 +26,7 @@
 
 (eval-when-compile (require 'cl))
 (require 'parse-time)
+(require 'nnimap)
 
 (defgroup gnus-cloud nil
   "Syncing Gnus data via IMAP."
@@ -41,6 +42,7 @@
   :type '(repeat regexp))
 
 (defvar gnus-cloud-group-name "*Emacs Cloud*")
+(defvar gnus-cloud-covered-servers nil)
 
 (defvar gnus-cloud-version 1)
 (defvar gnus-cloud-sequence 1)
@@ -123,7 +125,7 @@
        (let ((spec (ignore-errors (read (current-buffer))))
              length)
          (when (and (consp spec)
-                    (memq (getf spec :type) '(:file :data :deleta)))
+                    (memq (plist-get spec :type) '(:file :data :deleta)))
            (setq length (plist-get spec :length))
            (push (append spec
                          (list
@@ -227,6 +229,11 @@
              (string< old timestamp))
       timestamp)))
 
+(declare-function gnus-activate-group "gnus-start"
+                 (group &optional scan dont-check method dont-sub-check))
+(declare-function gnus-subscribe-group "gnus-start"
+                 (group &optional previous method))
+
 (defun gnus-cloud-ensure-cloud-group ()
   (let ((method (if (stringp gnus-cloud-method)
                    (gnus-server-to-method gnus-cloud-method)
@@ -274,7 +281,10 @@
        (while (and (not (eobp))
                    (setq head (nnheader-parse-head)))
          (push head headers))))
-    (nreverse headers)))
+    (sort (nreverse headers)
+         (lambda (h1 h2)
+           (> (gnus-cloud-chunk-sequence (mail-header-subject h1))
+              (gnus-cloud-chunk-sequence (mail-header-subject h2)))))))
 
 (defun gnus-cloud-chunk-sequence (string)
   (if (string-match "sequence: \\([0-9]+\\)" string)
@@ -282,11 +292,7 @@
     0))
 
 (defun gnus-cloud-prune-old-chunks (headers)
-  (let ((headers
-        (sort (reverse headers)
-              (lambda (h1 h2)
-                (> (gnus-cloud-chunk-sequence (mail-header-subject h1))
-                   (gnus-cloud-chunk-sequence (mail-header-subject h2))))))
+  (let ((headers (reverse headers))
        (found nil))
   (while (and headers
              (not found))
@@ -302,6 +308,25 @@
             (nreverse headers))
      (gnus-group-full-name gnus-cloud-group-name gnus-cloud-method)))))
 
+(defun gnus-cloud-download-data ()
+  (let ((articles nil)
+       chunks)
+    (dolist (header (gnus-cloud-available-chunks))
+      (when (> (gnus-cloud-chunk-sequence (mail-header-subject header))
+              gnus-cloud-sequence)
+       (push (mail-header-number header) articles)))
+    (when articles
+      (nnimap-request-articles (nreverse articles) gnus-cloud-group-name)
+      (with-current-buffer nntp-server-buffer
+       (goto-char (point-min))
+       (while (re-search-forward "^Version " nil t)
+         (beginning-of-line)
+         (push (gnus-cloud-parse-chunk) chunks)
+         (forward-line 1))))))
+
+(defun gnus-cloud-server-p (server)
+  (member server gnus-cloud-covered-servers))
+
 (provide 'gnus-cloud)
 
 ;;; gnus-cloud.el ends here