Consider using a migration script to simplify the migration process

migrate.sh

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+#!/bin/bash
+
+IMG_NAME="uBlue Image with Nvidia Drivers"
+SB_IMG="ostree-unverified-registry:ghcr.io/ublue-os/silverblue-nvidia:latest"
+KN_IMG="ostree-unverified-registry:ghcr.io/ublue-os/kinoite-nvidia:latest"
+
+if [[ $(id -u) == 0 ]]; then
+    echo "Do not run this script using sudo. Please run as a normal user."
+    exit 99
+fi
+
+if [ -f /etc/os-release ]; then
+    # freedesktop.org and systemd
+    . /etc/os-release
+    OS=$NAME
+    VAR=$VARIANT
+fi
+
+# Only run if on Kinoite or Silverblue
+if [ "${OS}" = "Fedora Linux" ] && [ "${VAR}" = "Kinoite" ]; then
+    echo "System is running Fedora Kinoite. Ready to migrate to: \"${IMG_NAME}\"."
+elif [ "${OS}" = "Fedora Linux" ] && [ "${VAR}" = "Silverblue" ]; then
+    echo "System is running Fedora Silverblue. Ready to migrate to: \"${IMG_NAME}\"."
+else 
+    echo "Host system is neither Fedora Silverblue or Fedora Kinoite. This script only supports migrating from these two systems. Please install Fedora Silverblue or Fedora Kinoite and run the script again."
+    exit 1
+fi
+
+echo "Which variant do you wish to install?:"
+echo "1. Silverblue"
+echo "2. Kinoite"
+read -r -p "Select your preferred system: " systemresponse
+if [[ $systemresponse =~ 1 ]]; then
+    echo "Silverblue selected."
+    IMG=${SB_IMG}
+elif [[ $systemresponse =~ 2 ]]; then
+    echo "Kinoite selected."
+    IMG=${KN_IMG}
+else
+    echo "Input not recognized. Please run the migration script again."
+    exit 1
+fi
+
+read -r -p "WARNING: Rebasing to \"${IMG_NAME}\" will delete all preinstalled flatpaks. This script is meant to only be used on a new Kinoite or Silverblue install. Do you wish to continue? [y/N]: " migrationresponse
+if [[ ! $migrationresponse =~ ^[Yy]$ ]]; then
+    echo "Confirmation not recieved. System will not be migrated."
+    exit 1
+fi
+
+echo "Migrating to \"${IMG_NAME}\". Running rpm-ostree rebase & setting the kernel arguments."
+
+RUNSCRIPT="RET=1; until [ \${RET} -eq 0 ]; do rpm-ostree rebase --experimental ${IMG}; RET=\$?; if [[ ! \$RET = 0 ]]; then read -r -p 'Rebasing failed. Do you want to try again? [y/N]: ' retryresponse; if [[ ! \$retryresponse =~ ^[Yy]$ ]]; then exit 1; fi; fi; done; rpm-ostree kargs --append=rd.driver.blacklist=nouveau --append=modprobe.blacklist=nouveau --append=nvidia-drm.modeset=1"
+
+pkexec /bin/bash -c "${RUNSCRIPT}"
+
+echo "System migrated. Reboot to run the new image."
+
+read -r -p "Do you wish to reboot now? [y/N]: " rebootresponse
+
+if [[ $rebootresponse =~ ^[Yy]$ ]]; then
+    echo "Rebooting in 5 seconds..."
+    sleep 5
+    systemctl reboot
+fi