GNU bug report logs - #41868
[PATCH] Add project-clean-up command

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Message #86 received at 41868 <at> debbugs.gnu.org (full text, mbox):

From: "Philip K." <philip <at> warpmail.net>
To: Juri Linkov <juri <at> linkov.net>
Cc: contovob <at> tcd.ie, 41868 <at> debbugs.gnu.org, dgutov <at> yandex.ru
Subject: Re: bug#41868: [PATCH] Add project-clean-up command
Date: Fri, 19 Jun 2020 08:28:12 +0200

[Message part 1 (text/plain, inline)]

Juri Linkov <juri <at> linkov.net> writes:

>>> But we already agreed on a shorter name project-kill-buffers-ignore,
>>> and Philip sent the patch that renames it.
>>
>> Could you link to it?
>
> I can't find it.  Philip, could you please resend your patch
> with project-kill-buffers-ignore.

Sure, added below.

-- 
	Philip K.

[0001-Add-project-kill-buffers-command.patch (text/x-diff, inline)]

From 0c84b1097941b983738104b0756fd8db4a7eeac4 Mon Sep 17 00:00:00 2001
From: Philip K <philip <at> warpmail.net>
Date: Fri, 12 Jun 2020 23:37:51 +0200
Subject: [PATCH] Add project-kill-buffers command

---
 lisp/progmodes/project.el | 41 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/lisp/progmodes/project.el b/lisp/progmodes/project.el
index f3df44fa7b..c5301dccd3 100644
--- a/lisp/progmodes/project.el
+++ b/lisp/progmodes/project.el
@@ -744,6 +744,47 @@ project-compile
          (default-directory (project-root pr)))
     (compile command comint)))
 
+(defcustom project-kill-buffers-ignore
+  '("\\*Help\\*")
+  "Conditions for buffers `project-kill-buffers' should not kill.
+If a condition is a string, it will be interpreted as a regular
+expression, and matched against the buffer name.  If a condition
+is a function, it will be called with the buffer object, and
+returns non-nil if it matches.  Buffers that match any condition
+are \"spared\", and will hence not be killed by
+`project-kill-buffers'"
+  :type '(repeat (choice regexp function))
+  :version "28.1")
+
+(defun project--buffer-list (pr)
+  "Return a list of all buffers in project PR."
+  (let ((root (project-root pr)) bufs)
+    (dolist (buf (buffer-list))
+      (let ((filename (or (buffer-file-name buf)
+                          (buffer-local-value 'default-directory buf))))
+        (when (and filename (file-in-directory-p filename root))
+          (push buf bufs))))
+    (nreverse bufs)))
+
+;;;###autoload
+(defun project-kill-buffers ()
+  "Kill all live buffers of a project.
+Certain buffers may be ignored, depending on the value of
+`project-kill-buffers-ignore'."
+  (interactive)
+  (let ((pr (project-current t)) bufs)
+    (dolist (buf (project--buffer-list pr))
+      (unless (seq-some (lambda (c)
+                          (cond ((stringp c)
+                                 (string-match-p c (buffer-name buf)))
+                                ((functionp c)
+                                 (funcall c buf))))
+                        project-kill-buffers-ignore)
+        (push buf bufs)))
+    (when (yes-or-no-p (format "Kill %d buffers in %s? "
+                               (length bufs) (project-root pr)))
+      (mapc #'kill-buffer bufs))))
+
 
 ;;; Project list
 
-- 
2.20.1

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