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:
(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)))))
(dolist (rr ls)
(when (funcall test el (if key (funcall key rr) 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-regexps' and `clean-buffer-list-kill-never-regexps'."
`clean-buffer-list-kill-regexps' and
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."
(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
(midnight-find bn clean-buffer-list-kill-never-buffer-names
(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.")
(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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