gsu subcommand: Use gsu_getopts.

This makes the prefs command error out on invalid options
and avoids the expansion of the possibly unset parameter $1.

diff --git a/misc/gsu/subcommand b/misc/gsu/subcommand
index 7e706d84b18411436d4fe728f348d3fbba77123d..911179eb45eb57590dbb0b4f4f484e2ecb86f2c5 100644 (file)
--- a/misc/gsu/subcommand
+++ b/misc/gsu/subcommand
@@ -92,7 +92,13 @@ _com_prefs()
 {
        local i conf="${gsu_config_file:=$HOME/.$gsu_name.rc}"
 
-       if [[ "$1" = "-e" ]]; then
+       gsu_getopts "e"
+       eval "$result"
+       (($ret < 0)) && return
+       gsu_check_arg_count $# 0 0
+       (($ret < 0)) && return
+
+       if [[ "$o_e" == "true" ]]; then
                ret=-$E_GSU_MKDIR
                result="${conf%/*}"
                mkdir -p "$result"