newpass: add help

misc/newpass

@@ -35,7 +35,18 @@ fi
 
 . $XDG_CONFIG_HOME/newpass.sh
 
-zparseopts -D -E a:=accname -account:=accname p:=prefix -prefix:=prefix m:=mailuserpart -mail:=mailuserpart
+zparseopts -D -E a:=accname -account:=accname p:=prefix -prefix:=prefix m:=mailuserpart -mail:=mailuserpart h=help -help=help
+
+if [[ $help ]]; then
+<<-HELP
+Usage: newpass [opts] [DOMAIN]
+
+ -a, --account  Account / user name. If not given, mail address is used
+ -p, --prefix   Override mail prefix
+ -m, --mail     Override whole mail address user part (before @)
+HELP
+exit 1
+fi
 
 [[ $accname ]] && accname=$accname[2]
 [[ $prefix ]] && MAIL_PREFIX=$prefix[2]