genfstab: give examples of valid values for -t

This is non-exhaustive, but it's representative of the popular options in 2018.
2018-10-15 12:58:46 -04:00 · 2018-10-15 12:58:46 -04:00 · c07baac985
commit c07baac985
parent 85e73df200
1 changed files with 2 additions and 1 deletions
--- a/genfstab.in
+++ b/genfstab.in
@ -83,7 +83,8 @@ usage: ${0##*/} [options] root
    -L             Use labels for source identifiers (shortcut for -t LABEL)
    -p             Exclude pseudofs mounts (default behavior)
    -P             Include pseudofs mounts
-    -t TAG         Use TAG for source identifiers
+    -t TAG         Use TAG for source identifiers (TAG should be one of: LABEL,
+                      UUID, PARTLABEL, PARTUUID)
    -U             Use UUIDs for source identifiers (shortcut for -t UUID)

    -h             Print this help message