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Merge changes made in Gnus trunk.

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auth-source.el (auth-source-search): Cache empty result sets.
password-cache.el (password-in-cache-p): Convenience function to check if a key is in the cache, even if the value is nil.
This commit is contained in:
Teodor Zlatanov 2011-02-25 23:52:19 +00:00 • committed by Katsumi Yamaoka
parent 4ad8955513
commit 61e9662ef5
4 changed files with 27 additions and 2 deletions
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16
lisp/gnus/auth-source.el
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@ -524,10 +524,13 @@ must call it to obtain the actual value."
(keys (loop for i below (length spec) by 2
unless (memq (nth i spec) ignored-keys)
collect (nth i spec)))
(cached (auth-source-remembered-p spec))
;; note that we may have cached results but found is still nil
;; (there were no results from the search)
(found (auth-source-recall spec))
filtered-backends accessor-key backend)
(if (and found auth-source-do-cache)
(if (and cached auth-source-do-cache)
(auth-source-do-debug
"auth-source-search: found %d CACHED results matching %S"
(length found) spec)
@ -580,7 +583,8 @@ must call it to obtain the actual value."
"auth-source-search: CREATED %d results (max %d) matching %S"
(length found) max spec))
(when (and found auth-source-do-cache)
;; note we remember the lack of result too, if it's applicable
(when auth-source-do-cache
(auth-source-remember spec found)))
found))
@ -654,6 +658,11 @@ Returns the deleted entries."
(password-read-from-cache
(concat auth-source-magic (format "%S" spec))))
(defun auth-source-remembered-p (spec)
"Check if SPEC is remembered."
(password-in-cache-p
(concat auth-source-magic (format "%S" spec))))
(defun auth-source-forget (spec)
"Forget any cached data matching SPEC exactly.
@ -664,7 +673,10 @@ Returns t or nil for forgotten or not found."
;;; (loop for sym being the symbols of password-data when (string-match (concat "^" auth-source-magic) (symbol-name sym)) collect (symbol-name sym))
;;; (auth-source-remember '(:host "wedd") '(4 5 6))
;;; (auth-source-remembered-p '(:host "wedd"))
;;; (auth-source-remember '(:host "xedd") '(1 2 3))
;;; (auth-source-remembered-p '(:host "xedd"))
;;; (auth-source-remembered-p '(:host "zedd"))
;;; (auth-source-recall '(:host "xedd"))
;;; (auth-source-recall '(:host t))
;;; (auth-source-forget+ :host t)