From c3f7e4d87b5fae890663d860e60ef0d62c4ca647 Mon Sep 17 00:00:00 2001
From: aathavan <7279940-aathavan@users.noreply.gitlab.com>
Date: Mon, 6 Feb 2023 17:16:34 +0530
Subject: [PATCH] Hide unnecessary Boot messages and Bliking cursor

---
 .../run_onchange_after_64-grub-settings.tmpl    | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/home/.chezmoiscripts/universal/run_onchange_after_64-grub-settings.tmpl b/home/.chezmoiscripts/universal/run_onchange_after_64-grub-settings.tmpl
index 6bcef63c..b9bb7df3 100644
--- a/home/.chezmoiscripts/universal/run_onchange_after_64-grub-settings.tmpl
+++ b/home/.chezmoiscripts/universal/run_onchange_after_64-grub-settings.tmpl
@@ -119,6 +119,23 @@ else
     logg warn "/boot/grub2/themes/{{ .theme }}-$GRUB_RESOLUTION_TYPE/icons/$GRUB_ICON.png is missing"
 fi
 
+### Hide unnecessary Boot messages and Bliking cursor
+GRUB_DEFAULT_CMDLINE=$(grep 'GRUB_CMDLINE_LINUX_DEFAULT' /etc/default/grub)
+if [[ -n $GRUB_DEFAULT_CMDLINE ]]; then
+  KERNEL_PARAMS_QUIET=$(echo "$GRUB_DEFAULT_CMDLINE" | grep 'quiet')
+  logg info 'Updating GRUB_CMDLINE_LINUX_DEFAULT to hide log messages'
+  if [[ -z $KERNEL_PARAMS_QUIET ]]; then
+    sudo sed -i 's/^GRUB_CMDLINE_LINUX_DEFAULT="/GRUB_CMDLINE_LINUX_DEFAULT="quiet loglevel=3 systemd.show_status=auto rd.udev.log_level=3 vt.global_cursor_default=0 /' /etc/default/grub
+  else
+    NEW_KERNEL_PARAMS=$(echo $KERNEL_PARAMS_QUIET | sed -e "s/quiet/quiet loglevel=3 systemd.show_status=auto rd.udev.log_level=3 vt.global_cursor_default=0/")
+    sudo sed -i "s/^GRUB_CMDLINE_LINUX_DEFAULT.*/${NEW_KERNEL_PARAMS}/" /etc/default/grub
+  fi
+else
+  logg info 'GRUB_CMDLINE_LINUX_DEFAULT was not present, adding one with parameters to hide log messages'
+  echo 'GRUB_CMDLINE_LINUX_DEFAULT="quiet loglevel=3 systemd.show_status=auto rd.udev.log_level=3 vt.global_cursor_default=0"' | sudo tee -a /etc/default/grub > /dev/null
+fi
+
+
 ### Ensure grub2-mkconfig is available
 if ! command -v grub2-mkconfig > /dev/null; then
     if command -v grub-mkconfig > /dev/null; then