Merge pull request #108 from anoldguy/more-kernel-cmdline-detection

Adds two more kernel cmdline detections
This commit is contained in:
David Heinemeier Hansson
2025-07-09 22:22:13 -04:00
committed by GitHub

View File

@ -41,6 +41,7 @@ if ! command -v plymouth &>/dev/null; then
fi
done
elif [ -f "/etc/default/grub" ]; then
echo "Detected grub"
# Backup GRUB config before modifying
backup_timestamp=$(date +"%Y%m%d%H%M%S")
sudo cp /etc/default/grub "/etc/default/grub.bak.${backup_timestamp}"
@ -69,6 +70,42 @@ if ! command -v plymouth &>/dev/null; then
else
echo "GRUB already configured with splash kernel parameters"
fi
elif [ -d "/etc/cmdline.d" ]; then
echo "Detected a UKI setup"
# Relying on mkinitcpio to assemble a UKI
# https://wiki.archlinux.org/title/Unified_kernel_image
if ! grep -q splash /etc/cmdline.d/*.conf; then
# Need splash, create the omarchy file
echo "splash" | sudo tee -a /etc/cmdline.d/omarchy.conf
fi
if ! grep -q quiet /etc/cmdline.d/*.conf; then
# Need quiet, create or append the omarchy file
echo "quiet" | sudo tee -a /etc/cmdline.d/omarchy.conf
fi
elif [ -f "/etc/kernel/cmdline" ]; then
# Alternate UKI kernel cmdline location
echo "Detected a UKI setup"
# Backup kernel cmdline config before modifying
backup_timestamp=$(date +"%Y%m%d%H%M%S")
sudo cp /etc/kernel/cmdline "/etc/kernel/cmdline.bak.${backup_timestamp}"
current_cmdline=$(cat /etc/kernel/cmdline)
# Add splash and quiet if not present
new_cmdline="$current_cmdline"
if [[ ! "$current_cmdline" =~ splash ]]; then
new_cmdline="$new_cmdline splash"
fi
if [[ ! "$current_cmdline" =~ quiet ]]; then
new_cmdline="$new_cmdline quiet"
fi
# Trim any leading/trailing spaces
new_cmdline=$(echo "$new_cmdline" | xargs)
# Write new file
echo $new_cmdline | sudo tee /etc/kernel/cmdline
else
echo ""
echo "Neither systemd-boot nor GRUB detected. Please manually add these kernel parameters:"