_known_hosts_real: Include hosts reported by ruptime (Alioth: #313308).

bash_completion

@@ -1526,6 +1526,10 @@ _known_hosts_real()
                  awk -F';' '/^=/ { print $7 }' | sort -u )" -- "$cur" ) )
     fi
 
+    # Add hosts reported by ruptime.
+    COMPREPLY+=( $( compgen -W \
+        "$( ruptime 2>/dev/null | awk '{ print $1 }' )" -- "$cur" ) )
+
     # Add results of normal hostname completion, unless
     # `COMP_KNOWN_HOSTS_WITH_HOSTFILE' is set to an empty value.
     if [[ -n ${COMP_KNOWN_HOSTS_WITH_HOSTFILE-1} ]]; then