Commit 9cc077f6 authored by Richard M. Stallman's avatar Richard M. Stallman

(clean-buffer-list-kill-buffer-names): Add `*diff*'.

(clean-buffer-list): Check `buffer-modified-p' only when the
buffer is associated with a file.
(midnight-delay-set): Improve doc.

(midnight-find): Don't use `find'.
parent 05d5ca25
......@@ -36,6 +36,8 @@
;; keeping `clean-buffer-list-kill-never-buffer-names' and
;; `clean-buffer-list-kill-never-regexps'.
;;; Code:
(eval-when-compile
(require 'cl)
(require 'timer))
......@@ -110,7 +112,7 @@ See also `clean-buffer-list-kill-buffer-names',
(defcustom clean-buffer-list-kill-buffer-names
'("*Help*" "*Apropos*" "*Man " "*Buffer List*" "*Compile-Log*" "*info*"
"*vc*" "*vc-diff*")
"*vc*" "*vc-diff*" "*diff*")
"*List of strings saying which buffers will be killed at midnight.
Buffers with names in this list, which were not displayed in the last
`clean-buffer-list-delay-special' seconds, are killed by `clean-buffer-list'
......@@ -146,11 +148,9 @@ two lists will NOT be killed if it also matches anything in this list."
(defun midnight-find (el ls test &optional key)
"A stopgap solution to the absence of `find' in ELisp."
(if (fboundp 'find)
(find el ls :test test :key (or key 'eql))
(dolist (rr ls)
(when (funcall test el (if key (funcall key rr) rr))
(return rr)))))
(return rr))))
(defun clean-buffer-list-delay (name)
"Return the delay, in seconds, before killing a buffer named NAME.
......@@ -165,21 +165,28 @@ Autokilling is done by `clean-buffer-list'."
(defun clean-buffer-list ()
"Kill old buffers that have not been displayed recently.
The relevant vartiables are `clean-buffer-list-delay-general',
The relevant variables are `clean-buffer-list-delay-general',
`clean-buffer-list-delay-special', `clean-buffer-list-kill-buffer-names',
`clean-buffer-list-kill-never-buffer-names',
`clean-buffer-list-kill-regexps' and `clean-buffer-list-kill-never-regexps'."
`clean-buffer-list-kill-regexps' and
`clean-buffer-list-kill-never-regexps'.
While processing buffers, this procedure displays messages containing
the current date/time, buffer name, how many seconds ago it was
displayed (can be NIL if the buffer was never displayed) and its
lifetime, i.e., its `age' when it will be purged."
(interactive)
(let ((tm (float-time)) bts (ts (format-time-string "%Y-%m-%d %T")) bn)
(dolist (buf (buffer-list))
(message "[%s] processing `%s'..." ts buf)
(setq bts (buffer-display-time buf) bn (buffer-name buf))
(let ((tm (float-time)) bts (ts (format-time-string "%Y-%m-%d %T")) bn
(bufs (buffer-list)) buf delay cbld)
(while (setq buf (pop bufs))
(setq bts (buffer-display-time buf) bn (buffer-name buf)
delay (if bts (- tm bts) 0) cbld (clean-buffer-list-delay bn))
(message "[%s] `%s' [%s %d]" ts bn (if bts (round delay)) cbld)
(unless (or (midnight-find bn clean-buffer-list-kill-never-regexps
'string-match)
(midnight-find bn clean-buffer-list-kill-never-buffer-names
'string-equal)
(buffer-modified-p buf) (get-buffer-window buf 'visible)
(null bts) (< (- tm bts) (clean-buffer-list-delay bn)))
(and (buffer-file-name buf) (buffer-modified-p buf))
(get-buffer-window buf 'visible) (< delay cbld))
(message "[%s] killing `%s'" ts bn)
(kill-buffer buf)))))
......@@ -207,10 +214,10 @@ the time when it is run.")
;;;###autoload
(defun midnight-delay-set (symb tm)
"Modify `midnight-timer' according to `midnight-delay'.
Sets the first argument (which must be symbol `midnight-delay')
to its second argument."
(unless (eq symb 'midnight-delay)
(error "Illegal argument to `midnight-delay-set': `%s'" symb))
Sets the first argument SYMB (which must be symbol `midnight-delay')
to its second argument TM."
(assert (eq symb 'midnight-delay) t
"Illegal argument to `midnight-delay-set': `%s'" symb)
(set symb tm)
(when (timerp midnight-timer) (cancel-timer midnight-timer))
(setq midnight-timer
......
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