From 205019dbdef9b6b1faa8748e562811f4a9f5ab9e Mon Sep 17 00:00:00 2001
From: Cody Shepherd <cody.shepherd@canonical.com>
Date: Wed, 10 Feb 2021 10:11:22 -0800
Subject: [PATCH] Set grub configs to hide boot menu and enable output on ttyS0

---
 live-build/buildd/hooks/02-disk-image-uefi.binary | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/live-build/buildd/hooks/02-disk-image-uefi.binary b/live-build/buildd/hooks/02-disk-image-uefi.binary
index f75e3aa2..8b84afd3 100755
--- a/live-build/buildd/hooks/02-disk-image-uefi.binary
+++ b/live-build/buildd/hooks/02-disk-image-uefi.binary
@@ -121,6 +121,16 @@ install_grub() {
         chroot mountpoint grub-install --target=i386-pc "${loop_device}"
     fi
 
+    cat > mountpoint/etc/default/grub.d/50-builddimg-settings.cfg << EOF
+GRUB_DEFAULT=0
+GRUB_HIDDEN_TIMEOUT=0.1
+GRUB_HIDDEN_TIMEOUT_QUIET=true
+GRUB_TIMEOUT=0.1
+GRUB_CMDLINE_LINUX_DEFAULT="console=ttyS0"
+GRUB_RECORDFAIL_TIMEOUT=0
+GRUB_TERMINAL=console
+EOF
+
     divert_grub mountpoint
     chroot mountpoint update-grub
     replace_grub_root_with_label mountpoint