emacs-29 a952bdd6af0: Fix primary selection modification during `term-mouse-paste' (bug#58608)

[Phil Sainty]

branch: emacs-29
commit a952bdd6af081ef78f25f20d0a6cde612ce10df0
Author: Phil Sainty <psainty@orcon.net.nz>
Commit: Phil Sainty <psainty@orcon.net.nz>

    Fix primary selection modification during `term-mouse-paste' (bug#58608)
    
    * lisp/term.el (term-mouse-paste): Prevent the primary selection from
    being changed in the process of sending it to the inferior process.
---
 lisp/term.el | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lisp/term.el b/lisp/term.el
index 3e4907e8bfc..2e719567058 100644
--- a/lisp/term.el
+++ b/lisp/term.el
@@ -1372,7 +1372,13 @@ Entry to this mode runs the hooks on `term-mode-hook'."
   (run-hooks 'mouse-leave-buffer-hook)
   (setq this-command 'yank)
   (mouse-set-point click)
-  (term-send-raw-string (gui-get-primary-selection)))
+  ;; As we have moved point, bind `select-active-regions' to prevent
+  ;; the `deactivate-mark' call in `term-send-raw-string' from
+  ;; changing the primary selection (resulting in consecutive calls to
+  ;; `term-mouse-paste' each sending different text). (bug#58608).
+  ;; FIXME: Why does this command change point at all?
+  (let ((select-active-regions nil))
+    (term-send-raw-string (gui-get-primary-selection))))
 
 (defun term-paste ()
   "Insert the last stretch of killed text at point."