convert: Support -y

usr/local/share/bastille/convert.sh

@@ -265,19 +265,27 @@ if [ "$#" -eq 1 ]; then
     elif ! grep -qw ".bastille" "${bastille_jailsdir}/${TARGET}/fstab"; then
         error_exit "[ERROR]: ${TARGET} is not a thin container."
     fi
-
-    # Make sure the user agree with the conversion
-    # Be interactive here since this cannot be easily undone
-    while :; do
-        warn "\n[WARNING]: Jail conversion from thin to thick can't be undone!\n"
-        # shellcheck disable=SC2162
+    
+    # Ask if user is sure they want to convert the jail
+    # but only if AUTO_YES=0
+    if [ "${AUTO_YES}" -ne 1 ]; then
+        warn "/n[WARNING]: Jail conversion from thin to thick can't be undone!\n"
         # shellcheck disable=SC3045
-        read -p "Do you really wish to convert '${TARGET}' into a thick container? [y/N]:" yn
-        case ${yn} in
-            [Yy]) start_convert;;
-            [Nn]) exit 0;;
+        read -p "Are you sure you want to continue? [y|n]:" _answer
+        case "${_answer}" in
+            [Yy]|[Yy][Ee][Ss])
+                start_convert
+                ;;
+            [Nn]|[Nn][Oo])
+                error_exit "[ERROR]: Cancelled by user."
+                ;;
+            *)
+                error_exit "[ERROR]: Invalid input. Please answer 'y' or 'n'."
+                ;;
         esac
-    done
+    elif [ "${AUTO_YES}" -eq 1 ]; then
+        start_convert
+    fi
 
 elif  [ "$#" -eq 2 ]; then
 
@@ -292,4 +300,4 @@ elif  [ "$#" -eq 2 ]; then
     convert_jail_to_release "${TARGET}" "${CONVERT_RELEASE}"
 else
     usage
-fi
+fi