base-files: Allow to disable failsafe mode

Signed-off-by: Daniel Dickinson <openwrt@daniel.thecshore.com>

package/base-files/files/lib/preinit/10_indicate_failsafe

@@ -9,6 +9,7 @@ indicate_failsafe_led () {
 }
 
 indicate_failsafe() {
+	[ "$pi_preinit_no_failsafe" = "y" ] && return
 	echo "- failsafe -"
 	preinit_net_echo "Entering Failsafe!\n"
 	indicate_failsafe_led

package/base-files/files/lib/preinit/30_failsafe_wait

@@ -39,7 +39,7 @@ fs_wait_for_key () {
 		rm -f $keypress_wait
 	} &
 
-	echo "Press the [$1] key and hit [enter] $2"
+	[ "$pi_preinit_no_failsafe" != "y" ] && echo "Press the [$1] key and hit [enter] $2"
 	echo "Press the [1], [2], [3] or [4] key and hit [enter] to select the debug level"
 	# if we're on the console we wait for input
 	{
@@ -82,6 +82,10 @@ fs_wait_for_key () {
 
 failsafe_wait() {
 	FAILSAFE=
+	[ "$pi_preinit_no_failsafe" == "y" ] && {
+		fs_wait_for_key "" "" $fs_failsafe_wait_timeout
+		return
+	}
 	grep -q 'failsafe=' /proc/cmdline && FAILSAFE=true && export FAILSAFE
 	if [ "$FAILSAFE" != "true" ]; then
 		pi_failsafe_net_message=true

package/base-files/files/lib/preinit/40_run_failsafe_hook

@@ -3,6 +3,7 @@
 # Copyright (C) 2010 Vertical Communications
 
 run_failsafe_hook() {
+    [ "$pi_preinit_no_failsafe" = "y" ] && return
     if [ "$FAILSAFE" = "true" ]; then
 	boot_run_hook failsafe
 	lock -w /tmp/.failsafe