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* [PATCH] Query when exiting with running clock
@ 2021-01-12  8:55 Allen Li
  0 siblings, 0 replies; only message in thread
From: Allen Li @ 2021-01-12  8:55 UTC (permalink / raw)
  To: emacs-orgmode

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This is a patch adding a query function when exiting Emacs, warning the
user if there is a running clock.  This is useful for preventing the
user from accidentally leaving dangling clocks.  I have had success
using a modified personal version of this code.

My personal version instead prompts the user to clock out and save the
buffer.  I didn't use it for the patch because it seems a little hacky
to me; e.g., kill-emacs-query-functions doesn't mention whether
functions can have side effects, and the UI is inconsistent with
save-buffers-kill-emacs.  The code for my personal version:

(add-to-list 'kill-emacs-query-functions
               (lambda ()
                 (if (not (org-clocking-p))
                     t
                   (if (y-or-n-p "Clock out and save?")
                       (with-current-buffer (marker-buffer org-clock-marker)
                         (org-clock-out)
                         (save-buffer)
                         t)
                     (message "Aborting")
                     nil))))

If there is great demand for this version, I might provide another patch.

I have also attached another patch which deduplicates two identical
functions that I noticed when preparing the first patch.


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From f6145afd7d457cec533c44c8a3297d28f11d7255 Mon Sep 17 00:00:00 2001
From: Allen Li <darkfeline@felesatra.moe>
Date: Tue, 12 Jan 2021 00:26:47 -0800
Subject: [PATCH 1/2] org-clock: Replace org-clocking-buffer with
 org-clock-is-active

org-clocking-buffer and org-clock-is-active have the same definition.
org-clocking-buffer is defined in org-clock.el while
org-clock-is-active is defined in org.el.  org-clock.el requires
org.el.

org-clocking-buffer is kept as an alias to preserve backward
compatibility with any user code.

* lisp/org-clock.el (org-clocking-buffer): Changed to alias.
(org-clocking-p): Changed reference to org-clocking-buffer.
(org-clock-out): Changed reference to org-clocking-buffer.
(org-clock-cancel): Changed reference to org-clocking-buffer.
(org-clock-sum): Changed reference to org-clocking-buffer.
(org-clock-out-if-current): Changed reference to org-clocking-buffer.
(org-clock-save): Changed reference to org-clocking-buffer.
---
 lisp/org-clock.el | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/lisp/org-clock.el b/lisp/org-clock.el
index 892ae1810..37459580b 100644
--- a/lisp/org-clock.el
+++ b/lisp/org-clock.el
@@ -503,13 +503,11 @@ of a different task.")
   (mapc (lambda (m) (org-check-and-save-marker m beg end))
 	org-clock-history))
 
-(defun org-clocking-buffer ()
-  "Return the clocking buffer if we are currently clocking a task or nil."
-  (marker-buffer org-clock-marker))
+(defalias 'org-clocking-buffer #'org-clock-is-active)
 
 (defun org-clocking-p ()
   "Return t when clocking a task."
-  (not (equal (org-clocking-buffer) nil)))
+  (not (equal (org-clock-is-active) nil)))
 
 (defvar org-clock-before-select-task-hook nil
   "Hook called in task selection just before prompting the user.")
@@ -1501,7 +1499,7 @@ to, overriding the existing value of `org-clock-out-switch-to-state'."
 	  ts te s h m remove)
       (setq org-clock-out-time now)
       (save-excursion ; Do not replace this with `with-current-buffer'.
-	(org-no-warnings (set-buffer (org-clocking-buffer)))
+	(org-no-warnings (set-buffer (org-clock-is-active)))
 	(save-restriction
 	  (widen)
 	  (goto-char org-clock-marker)
@@ -1652,7 +1650,7 @@ Optional argument N tells to change by that many units."
     (force-mode-line-update)
     (error "No active clock"))
   (save-excursion ; Do not replace this with `with-current-buffer'.
-    (org-no-warnings (set-buffer (org-clocking-buffer)))
+    (org-no-warnings (set-buffer (org-clock-is-active)))
     (goto-char org-clock-marker)
     (if (org-looking-back (concat "^[ \t]*" org-clock-string ".*"))
 	(progn (delete-region (1- (point-at-bol)) (point-at-eol))
@@ -1763,7 +1761,7 @@ PROPNAME lets you set a custom text property instead of :org-clock-minutes."
 	  (t ;; A headline
 	   ;; Add the currently clocking item time to the total
 	   (when (and org-clock-report-include-clocking-task
-		      (equal (org-clocking-buffer) (current-buffer))
+		      (equal (org-clock-is-active) (current-buffer))
 		      (equal (marker-position org-clock-hd-marker) (point))
 		      tstart
 		      tend
@@ -1897,8 +1895,8 @@ and is only done if the variable `org-clock-out-when-done' is not nil."
 		      (member org-state org-done-keywords))
 		 (and (listp org-clock-out-when-done)
 		      (member org-state org-clock-out-when-done)))
-	     (equal (or (buffer-base-buffer (org-clocking-buffer))
-			(org-clocking-buffer))
+	     (equal (or (buffer-base-buffer (org-clock-is-active))
+			(org-clock-is-active))
 		    (or (buffer-base-buffer (current-buffer))
 			(current-buffer)))
 	     (< (point) org-clock-marker)
@@ -2816,7 +2814,7 @@ The details of what will be saved are regulated by the variable
 			  system-name (format-time-string
 				       (cdr org-time-stamp-formats))))
 	  (if (and (memq org-clock-persist '(t clock))
-		   (setq b (org-clocking-buffer))
+		   (setq b (org-clock-is-active))
 		   (setq b (or (buffer-base-buffer b) b))
 		   (buffer-live-p b)
 		   (buffer-file-name b)
@@ -2824,7 +2822,7 @@ The details of what will be saved are regulated by the variable
 		       (y-or-n-p (concat "Save current clock ("
 					 org-clock-heading ") "))))
 	      (insert "(setq resume-clock '(\""
-		      (buffer-file-name (org-clocking-buffer))
+		      (buffer-file-name (org-clock-is-active))
 		      "\" . " (int-to-string (marker-position org-clock-marker))
 		      "))\n"))
 	  ;; Store clocked task history.  Tasks are stored reversed to make
-- 
2.30.0


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From d12b01955773be64d04bd391d822cf7d1b67f637 Mon Sep 17 00:00:00 2001
From: Allen Li <darkfeline@felesatra.moe>
Date: Tue, 12 Jan 2021 00:33:32 -0800
Subject: [PATCH 2/2] org-clock: Query when exiting with running clock

It's annoying to accidentally quit Emacs with a running clock, then
resolve the clock the next time when Emacs is started.

* lisp/org-clock.el (org-clock-kill-emacs-query): New function.
---
 lisp/org-clock.el | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lisp/org-clock.el b/lisp/org-clock.el
index 37459580b..bc1762f63 100644
--- a/lisp/org-clock.el
+++ b/lisp/org-clock.el
@@ -2886,6 +2886,15 @@ The details of what will be saved are regulated by the variable
 		(if (outline-invisible-p)
 		    (org-show-context))))))))))
 
+(defun org-clock-kill-emacs-query ()
+  "Query user when killing Emacs.
+This function is added to `kill-emacs-query-functions'."
+  (if (org-clocking-buffer)
+      (y-or-n-p "Org clock is running; exit anyway? ")
+    t))
+
+(add-hook 'kill-emacs-query-functions #'org-clock-kill-emacs-query)
+
 ;; Suggested bindings
 (org-defkey org-mode-map "\C-c\C-x\C-e" 'org-clock-modify-effort-estimate)
 
-- 
2.30.0


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