Add some extra warning when switching to nightly, enable switching to nightly...

Add some extra warning when switching to nightly, enable switching to nightly when kernel packages are not frozen, readme update

README.md

@@ -12,9 +12,11 @@ It comes with Armbian (from 5.27) by default. Login as super user and type:
 
 - wireless network connect,
 - AP (hotspot) in bridged or NAT mode,
-- edit boot environment, network, FEX 
+- edit boot environment, network, FEX, welcome screen items, 
 - switching between kernels and nightly builds,
+- exclude / include kernel and BSP packages from upgrading,
 - enabling read only root filesystem (Ubuntu only),
+- set display resolution (H3 boards with legacy kernel),
 
 **Installation**
 
@@ -25,7 +27,7 @@ It comes with Armbian (from 5.27) by default. Login as super user and type:
 - [ISPConfig](https://www.ispconfig.org/) *(WEB & MAIL server)*
 - [Openmediavault NAS](http://www.openmediavault.org/) *(NAS server)*
 - [PI hole](https://pi-hole.net) *(ad blocker)*
-- [MiniDLNA](http://minidlna.sourceforge.net/) *(media sharing)
+- [MiniDLNA](http://minidlna.sourceforge.net/) *(media sharing)*
 
 
 [Project realisation example](http://www.igorpecovnik.com/2013/12/10/micro-home-server/)

debian-config

@@ -186,8 +186,10 @@ fi
 LIST+=( "Network" "Edit network settings" )
 LIST+=( "Services" "Toggle running services" )
 LIST+=( "Welcome" "Toogle welcome screen items" )
-[[ -f /etc/apt/sources.list.d/armbian.list ]] && [[ -n $(grep -w apt /etc/apt/sources.list.d/armbian.list) ]]  && LIST+=( "Nightly" "Switch to daily builds" )
-[[ -f /etc/apt/sources.list.d/armbian.list ]] && [[ -n $(grep -w beta /etc/apt/sources.list.d/armbian.list) ]]  && LIST+=( "Stable" "Switch to stable builds" )
+if [[ -z $(apt-mark showhold | grep -w "$BOARD") ]]; then
+	[[ -f /etc/apt/sources.list.d/armbian.list ]] && [[ -n $(grep -w apt /etc/apt/sources.list.d/armbian.list) ]]  && LIST+=( "Nightly" "Switch to daily builds" )
+	[[ -f /etc/apt/sources.list.d/armbian.list ]] && [[ -n $(grep -w beta /etc/apt/sources.list.d/armbian.list) ]]  && LIST+=( "Stable" "Switch to stable builds" )
+fi
 [[ $(apt-cache search --names-only '^linux-'$(lsb_release  -cs)'-root.*.'$BOARD'*' | sed 's/.*(\(.*\))/\1/' | awk '{print $1}' | wc -l) -gt 1 ]] && LIST+=( "Switch" "Switch to alternative kernels" )
 [[ "$DISTRO" == "Ubuntu" && "$(modinfo overlay > /dev/null 2>&1; echo $?)" == "0" ]] && LIST+=( "Overlayroot" "Toggle virtual read-only root filesystem" )
 
@@ -442,12 +444,14 @@ DIALOG_ESC=255
 	;;
 
 	"Nightly" )
+		dialog --title "Warning" --backtitle "$BACKTITLE" --yes-label "OK" --no-label "Cancel" --yesno "\nYou are switching to automated daily build which is untested and might break your system. Are you fine with that?" 9 44
+		if [[ $? = 0 ]]; then
 			sed -i 's/apt.armbian.com/beta.armbian.com/' /etc/apt/sources.list.d/armbian.list
 			debconf-apt-progress -- apt-get update
 			debconf-apt-progress -- apt-get -y upgrade
-		dialog --title "Switching to nightly" --backtitle "$BACKTITLE" --yes-label "Reboot" --no-label "Cancel" --yesno \
-		"\nReboot to apply new settings?" 7 34
+			dialog --title "Switching to nightly" --backtitle "$BACKTITLE" --yes-label "Reboot" --no-label "Cancel" --yesno "\nReboot to apply new settings?" 7 34
 			if [[ $? = 0 ]]; then reboot; fi
+		fi
 	;;
 
 	"Stable" )