Fix graphical login on RevPi Buster

fix-graphical-login.patch

diff --git usr/sbin/revpi-factory-reset usr/sbin/revpi-factory-reset
index 92bfded..49a168c 100755
--- usr/sbin/revpi-factory-reset
+++ usr/sbin/revpi-factory-reset
@@ -11,7 +11,7 @@
 . /usr/share/revpi/revpi-functions
 
 full_devicetype_list="compact|connect|core|flat|connect-se"	# all suported devices
-if has-hat-eeprom; then
+if has_hat_eeprom; then
 	# The device is equipped with HAT EEPROM
 	with_hat_eeprom=true
 
@@ -39,7 +39,7 @@ else
 	fi
 
 	if [ "$ovl" = "core" ]; then
-		if cm1-detection; then
+		if cm1_detection; then
 			echo "Compute Module 1 has been detected, core-cm1-overlay will be used"
 			echo "automatically."
 			ovl="core-cm1"
diff --git etc/profile.d/revpi-factory-reset.sh etc/profile.d/revpi-factory-reset.sh
index 85ccd46..1f509b7 100644
--- etc/profile.d/revpi-factory-reset.sh
+++ etc/profile.d/revpi-factory-reset.sh
@@ -17,7 +17,7 @@ export NEWT_COLORS='root=,black entry=white,black'
 
 while [ ! -r /home/pi/.revpi-factory-reset ] ; do
 	clear
-	if has-hat-eeprom; then
+	if has_hat_eeprom; then
 		# The device is equipped with HAT EEPROM
 		whiptail --nocancel --title "INFO" --msgbox "The device configuration was detected automatically. Manual configuration is therefore not necessary." 0 0
 
diff --git usr/share/revpi/revpi-functions usr/share/revpi/revpi-functions
index 47d4eea..aaf2d6e 100644
--- usr/share/revpi/revpi-functions
+++ usr/share/revpi/revpi-functions
@@ -5,14 +5,14 @@
 # Copyright: 2022 KUNBUS GmbH
 #
 
-cm1-detection() {
+cm1_detection() {
     grep -m 1 "model name" /proc/cpuinfo | grep -q v6l
     return $?
 }
 
 # Check existance of HAT EEPROM according to document:
 # https://github.com/RevolutionPi/revpi-hat-eeprom/blob/master/docs/RevPi-HAT-EEPROM-Format.md#custom-atoms
-has-hat-eeprom() {
+has_hat_eeprom() {
 	if [ -e /proc/device-tree/hat/custom_1 ]; then
 		return 0;
 	fi

Usage:

curl https://gist.githubusercontent.com/nbuchwitz/3b79074ab1e4938409010bedbe995cf0/raw/2c83bdaa084ef0a905886cb90779be1488212eac/fix-graphical-login.patch -o /tmp/

cd /

sudo patch -p0 </tmp/fix-graphical-login.patch