branch: externals/org
commit 102181e0304eabfc0ed052bc001703c656db7c87
Author: Visuwesh <visuwe...@gmail.com>
Commit: Ihor Radchenko <yanta...@posteo.net>

    org-plot: Make data-file stable for replot-on-resize
    
    * lisp/org-plot.el (org-plot/gnuplot): Use a stable data-file to make
    replot-on-resize in GUI terminals work.
    
    Reported-by: Visuwesh <visuwe...@gmail.com>
    Link: https://orgmode.org/list/87mso7sl6g....@gmail.com
---
 lisp/org-plot.el | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/lisp/org-plot.el b/lisp/org-plot.el
index 283d99380d..83483b2227 100644
--- a/lisp/org-plot.el
+++ b/lisp/org-plot.el
@@ -662,8 +662,7 @@ line directly before or after the table."
                   (looking-at "[[:space:]]*#\\+"))
         (setf params (org-plot/collect-options params))))
     ;; collect table and table information
-    (let* ((data-file (make-temp-file "org-plot"))
-           (table (let ((tbl (save-excursion
+    (let* ((table (let ((tbl (save-excursion
                                (org-plot/goto-nearest-table)
                                (org-table-to-lisp))))
                    (when (pcase (plist-get params :transpose)
@@ -681,12 +680,11 @@ line directly before or after the table."
                               (nth 0 table))))
           (type (assoc (plist-get params :plot-type)
                        org-plot/preset-plot-types))
-           gnuplot-script)
+           gnuplot-script data-file)
 
       (unless type
        (user-error "Org-plot type `%s' is undefined" (plist-get params 
:plot-type)))
 
-      (run-with-idle-timer 0.1 nil #'delete-file data-file)
       (when (eq (cadr table) 'hline)
        (setf params
              (plist-put params :labels (car table))) ; headers to labels
@@ -697,6 +695,12 @@ line directly before or after the table."
                        (setf params (org-plot/collect-options params))))
       ;; Dump table to datafile
       (let ((dump-func (plist-get type :data-dump)))
+        ;; Use a stable temporary file to ensure that 'replot' upon
+        ;; resizing a GUI gnuplot terminal window works.
+        (setq data-file (org-babel-temp-stable-file
+                         (list (or dump-func 'org-plot/gnuplot-to-data)
+                               table num-cols params)
+                         "org-plot"))
         (if dump-func
            (funcall dump-func table data-file num-cols params)
          (org-plot/gnuplot-to-data table data-file params)))

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