(const :tag "No ignored files" nil))
:group 'grep)
+(defcustom grep-save-buffers 'ask
+ "If non-nil, save buffers before running the grep commands.
+If `ask', ask before saving. If a function, call it with no arguments
+with each buffer current, as a predicate to determine whether that
+buffer should be saved or not. E.g., one can set this to
+ (lambda ()
+ (string-prefix-p my-grep-root (file-truename (buffer-file-name))))
+to limit saving to files located under `my-grep-root'."
+ :version "25.2"
+ :type '(choice
+ (const :tag "Ask before saving" ask)
+ (const :tag "Don't save buffers" nil)
+ function
+ (other :tag "Save all buffers" t))
+ :group 'grep)
+
(defcustom grep-error-screen-columns nil
"If non-nil, column numbers in grep hits are screen columns.
See `compilation-error-screen-columns'"
grep-error-screen-columns)
(add-hook 'compilation-filter-hook 'grep-filter nil t))
+(defun grep--save-buffers ()
+ (when grep-save-buffers
+ (save-some-buffers (and (not (eq grep-save-buffers 'ask))
+ (not (functionp grep-save-buffers)))
+ (and (functionp grep-save-buffers)
+ grep-save-buffers))))
;;;###autoload
(defun grep (command-args)
'grep-history
(if current-prefix-arg nil default))))))
+ (grep--save-buffers)
;; Setting process-setup-function makes exit-message-function work
;; even when async processes aren't supported.
(compilation-start (if (and grep-use-null-device null-device)
(let ((default-directory dir))
;; Setting process-setup-function makes exit-message-function work
;; even when async processes aren't supported.
+ (grep--save-buffers)
(compilation-start (if (and grep-use-null-device null-device)
(concat command " " null-device)
command)
(read-from-minibuffer "Confirm: "
command nil nil 'grep-find-history))
(add-to-history 'grep-find-history command))
+ (grep--save-buffers)
(let ((default-directory dir))
(compilation-start command 'grep-mode))
;; Set default-directory if we started rgrep in the *grep* buffer.