getty: extend its config help

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/loginutils/Config.src b/loginutils/Config.src
index 4c771bbc41670a20e1b59259fa464c549c34835a..897d8fb0c91c7a158b31b22e84bc71bf205336e5 100644 (file)
--- a/loginutils/Config.src
+++ b/loginutils/Config.src
@@ -181,7 +181,19 @@ config GETTY
        default y
        select FEATURE_SYSLOG
        help
-         getty lets you log in on a tty, it is normally invoked by init.
+         getty lets you log in on a tty. It is normally invoked by init.
+
+         Note that you can save a few bytes by disabling it and
+         using login applet directly.
+         If you need to reset tty attributes before calling login,
+         this script approximates getty:
+
+         exec </dev/$1 >/dev/$1 2>&1 || exit 1
+         stty sane; stty ispeed 38400; stty ospeed 38400
+         reset
+         printf "%s login: " "`hostname`"
+         read -r login
+         exec /bin/login "$login"
 
 config LOGIN
        bool "login"