emacs-30 7a3c10dcb56: Backport: Call tab-bar-tab-post-open-functions during tabs initialization

[Juri Linkov]

branch: emacs-30
commit 7a3c10dcb56f7287158d155edba04bf80316fbe6
Author: Juri Linkov <juri@linkov.net>
Commit: Juri Linkov <juri@linkov.net>

    Backport: Call tab-bar-tab-post-open-functions during tabs initialization
    
    * lisp/tab-bar.el (tab-bar-tabs): Run the hook
    'tab-bar-tab-post-open-functions' after creating the first tab
    in the selected frame's tab-bar list of tabs (bug#74087).
    Suggested by Ship Mints <shipmints@gmail.com>.
    
    (cherry picked from commit 2c062dfdf50970766db179ccbad7ce71c541cd72)
---
 lisp/tab-bar.el | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lisp/tab-bar.el b/lisp/tab-bar.el
index ea36a924c78..e8c6b7f3bcc 100644
--- a/lisp/tab-bar.el
+++ b/lisp/tab-bar.el
@@ -803,7 +803,9 @@ Return its existing value or a new value."
                   (funcall tab-bar-tab-name-function))))
       ;; Create default tabs
       (setq tabs (list (tab-bar--current-tab-make)))
-      (tab-bar-tabs-set tabs frame))
+      (tab-bar-tabs-set tabs frame)
+      (run-hook-with-args 'tab-bar-tab-post-open-functions
+                          (car tabs)))
     tabs))
 
 (defun tab-bar-tabs-set (tabs &optional frame)