[fstab, mount] Warn when the mount options end up weird

src/modules/fstab/main.py

@@ -407,6 +407,7 @@ def run():
     # We rely on mount_options having a default; if there wasn't one,
     # bail out with a meaningful error.
     if not mount_options_list:
+        libcalamares.utils.warning("No mount options defined, {!s} partitions".format(len(partitions)))
         return (_("Configuration Error"),
                 _("No <pre>{!s}</pre> configuration is given for <pre>{!s}</pre> to use.")
                 .format("mountOptions", "fstab"))

src/modules/mount/main.py

@@ -351,6 +351,9 @@ def run():
     except ZfsException as ze:
         return _("zfs mounting error"), ze.message
 
+    if not mount_options_list:
+        libcalamares.utils.warning("No mount options defined, {!s} partitions, {!s} mountable".format(len(partitions), len(mountable_partitions)))
+
     libcalamares.globalstorage.insert("rootMountPoint", root_mount_point)
     libcalamares.globalstorage.insert("mountOptionsList", mount_options_list)