Check if DKMS is installed in install.sh and uninstall.sh.

install.sh

@@ -47,6 +47,12 @@ else
     echo "Install succeeded."
 fi
 
+if ! command -v dkms >/dev/null; then
+    echo "WARNING: DKMS is not installed, skipping driver installation."
+    echo "To use the advanced features of OpenSuperClone you will have to install the driver manually."
+    exit 0
+fi
+
 VERSION=$(grep -oP '(?<=set\(OSC_DRIVER_VERSION ).*(?=\))' ../CMakeLists.txt)
 VERSION=$(echo $VERSION | cut -d' ' -f1)
 echo "Found OSCDriver version $VERSION."

uninstall.sh

@@ -39,6 +39,12 @@ fi
 
 echo "Done uninstalling OpenSuperClone from /usr/..."
 
+if ! command -v dkms >/dev/null; then
+    echo "WARNING: DKMS is not installed, skipping driver removal."
+    echo "If the driver was installed manually, it will not be removed."
+    exit 0
+fi
+
 echo "Uninstalling OSCDriver..."
 
 if lsmod | grep -q oscdriver; then