File 0004-normal-menu-Don-t-show-Booting-s-msg-when-... of Package grub2

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File 0004-normal-menu-Don-t-show-Booting-s-msg-when-auto-booti.patch of Package grub2 (Revision ff20af713dad81a97b31f993d5ed772f)

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From d4eb747f831d8b011c712f4335f12b572d6f32d9 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Fri, 28 Jan 2022 11:30:32 +0100
Subject: [PATCH 04/10] normal/menu: Don't show "Booting `%s'" msg when
 auto-booting with TIMEOUT_STYLE_HIDDEN

When the user has asked the menu code to be hidden/quiet and the current
entry is being autobooted because the timeout has expired don't show
the "Booting `%s'" msg.

This is necessary to let flicker-free boots really be flicker free,
otherwise the "Booting `%s'" msg will kick the EFI fb into text mode
and show the msg, breaking the flicker-free experience.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 grub-core/normal/menu.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/grub-core/normal/menu.c b/grub-core/normal/menu.c
index 47fc12551f..470bfc839b 100644
--- a/grub-core/normal/menu.c
+++ b/grub-core/normal/menu.c
@@ -651,13 +651,15 @@ workaround_snapshot_menu_default_entry (grub_menu_t menu, const char *name, int
    entry to be executed is a result of an automatic default selection because
    of the timeout.  */
 static int
-run_menu (grub_menu_t menu, int nested, int *auto_boot)
+run_menu (grub_menu_t menu, int nested, int *auto_boot, int *notify_boot)
 {
   grub_uint64_t saved_time;
   int default_entry, current_entry;
   int timeout;
   enum timeout_style timeout_style;
 
+  *notify_boot = 1;
+
   default_entry = get_entry_number (menu, "default");
 
   workaround_snapshot_menu_default_entry (menu, "default", &default_entry);
@@ -734,6 +736,7 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
   if (timeout == 0)
     {
       *auto_boot = 1;
+      *notify_boot = timeout_style != TIMEOUT_STYLE_HIDDEN;
       return default_entry;
     }
 
@@ -894,12 +897,16 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
 
 /* Callback invoked immediately before a menu entry is executed.  */
 static void
-notify_booting (grub_menu_entry_t entry,
-		void *userdata __attribute__((unused)))
+notify_booting (grub_menu_entry_t entry, void *userdata)
 {
-  grub_printf ("  ");
-  grub_printf_ (N_("Booting `%s'"), entry->title);
-  grub_printf ("\n\n");
+  int *notify_boot = userdata;
+
+  if (*notify_boot)
+    {
+      grub_printf ("  ");
+      grub_printf_ (N_("Booting `%s'"), entry->title);
+      grub_printf ("\n\n");
+    }
 }
 
 /* Callback invoked when a default menu entry executed because of a timeout
@@ -947,8 +954,9 @@ show_menu (grub_menu_t menu, int nested, int autobooted)
       int boot_entry;
       grub_menu_entry_t e;
       int auto_boot;
+      int notify_boot;
 
-      boot_entry = run_menu (menu, nested, &auto_boot);
+      boot_entry = run_menu (menu, nested, &auto_boot, &notify_boot);
       if (boot_entry < 0)
 	break;
 
@@ -960,7 +968,7 @@ show_menu (grub_menu_t menu, int nested, int autobooted)
 
       if (auto_boot)
 	grub_menu_execute_with_fallback (menu, e, autobooted,
-					 &execution_callback, 0);
+					 &execution_callback, &notify_boot);
       else
 	grub_menu_execute_entry (e, 0);
       if (autobooted)
-- 
2.34.1

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File 0004-normal-menu-Don-t-show-Booting-s-msg-when-auto-booti.patch of Package grub2 (Revision ff20af713dad81a97b31f993d5ed772f)

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