From 0c84b1097941b983738104b0756fd8db4a7eeac4 Mon Sep 17 00:00:00 2001 From: Philip K 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