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* net/tramp-cache.el (tramp-dump-connection-properties): Polish

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the check, whether to dump the data.
This commit is contained in:
Michael Albinus 2008-12-04 20:42:29 +00:00
parent fcb61bee01
commit 063e5167c8
1 changed files with 34 additions and 34 deletions
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68
lisp/net/tramp-cache.el
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@ -251,40 +251,40 @@ KEY identifies the connection, it is either a process or a vector."
(defun tramp-dump-connection-properties ()
"Write persistent connection properties into file `tramp-persistency-file-name'."
;; We shouldn't fail, otherwise (X)Emacs might not be able to be closed.
(when tramp-cache-data-changed
(condition-case nil
(when (and (hash-table-p tramp-cache-data)
(not (zerop (hash-table-count tramp-cache-data)))
(stringp tramp-persistency-file-name))
(let ((cache (copy-hash-table tramp-cache-data)))
;; Remove temporary data.
(maphash
'(lambda (key value)
(if (and (vectorp key) (not (tramp-file-name-localname key)))
(progn
(remhash "process-name" value)
(remhash "process-buffer" value))
(remhash key cache)))
cache)
;; Dump it.
(with-temp-buffer
(insert
";; -*- emacs-lisp -*-"
;; `time-stamp-string' might not exist in all (X)Emacs flavors.
(condition-case nil
(progn
(format
" <%s %s>\n"
(time-stamp-string "%02y/%02m/%02d %02H:%02M:%02S")
tramp-persistency-file-name))
(error "\n"))
";; Tramp connection history. Don't change this file.\n"
";; You can delete it, forcing Tramp to reapply the checks.\n\n"
(with-output-to-string
(pp (read (format "(%s)" (tramp-cache-print cache))))))
(write-region
(point-min) (point-max) tramp-persistency-file-name))))
(error nil))))
(condition-case nil
(when (and (hash-table-p tramp-cache-data)
(not (zerop (hash-table-count tramp-cache-data)))
tramp-cache-data-changed
(stringp tramp-persistency-file-name))
(let ((cache (copy-hash-table tramp-cache-data)))
;; Remove temporary data.
(maphash
'(lambda (key value)
(if (and (vectorp key) (not (tramp-file-name-localname key)))
(progn
(remhash "process-name" value)
(remhash "process-buffer" value))
(remhash key cache)))
cache)
;; Dump it.
(with-temp-buffer
(insert
";; -*- emacs-lisp -*-"
;; `time-stamp-string' might not exist in all (X)Emacs flavors.
(condition-case nil
(progn
(format
" <%s %s>\n"
(time-stamp-string "%02y/%02m/%02d %02H:%02M:%02S")
tramp-persistency-file-name))
(error "\n"))
";; Tramp connection history. Don't change this file.\n"
";; You can delete it, forcing Tramp to reapply the checks.\n\n"
(with-output-to-string
(pp (read (format "(%s)" (tramp-cache-print cache))))))
(write-region
(point-min) (point-max) tramp-persistency-file-name))))
(error nil)))
(add-hook 'kill-emacs-hook 'tramp-dump-connection-properties)
(add-hook 'tramp-cache-unload-hook