Adapt to the utility shipped in Slint, remove bashisms, notification=true
by default run slapt-src -u after slapt-get -u periodically.


diff -ru salix-update-notifier-0.8.0/src/salix-update-notifier salix-update-notifier-0.8.0.new/src/salix-update-notifier
--- salix-update-notifier-0.8.0/src/salix-update-notifier	2021-07-21 10:38:31.000000000 +0200
+++ salix-update-notifier-0.8.0.new/src/salix-update-notifier	2021-12-14 10:30:19.324312070 +0100
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # The default interval is set to 2 hours
 DEFAULT_INTERVAL="2h"
@@ -11,23 +11,20 @@
 # Gettext internationalization
 export TEXTDOMAIN="salix-update-notifier"
 export TEXTDOMAINDIR="/usr/share/locale"
-. gettext.sh
 
-# Determine if gksu or kdesu will be used
-if [[ `which gksu 2> /dev/null` ]]; then
-	SUCOMMAND="gksu"
-elif [[ `which ktsuss 2> /dev/null` ]]; then
+# Determine if ktsuss or gksu will be used
+if test "$(which ktsuss 2> /dev/null)"; then
 	SUCOMMAND="ktsuss -u root"
-elif [[ `which kdesu 2> /dev/null` ]]; then
-	SUCOMMAND="kdesu"
+elif test "$(which gksu 2> /dev/null)"; then
+	SUCOMMAND="gksu"
 else
-	echo "`eval_gettext 'ERROR: gksu, ktsuss or kdesu are required for salix-update-notifier to work.'`" >&2
+	echo "(gettext 'ERROR: gksu or ktsuss are required for salix-update-notifier to work.')" >&2
 	exit 1
 fi
 
-# Check if zenity is present
-if [[ ! `which zenity 2> /dev/null` ]]; then
-	echo "`eval_gettext 'ERROR: zenity must be installed for salix-update-notifier to work.'`" >&2
+# Check if yad is present
+if ! test "$(which yad 2> /dev/null)"; then
+	echo "(gettext 'ERROR: yad must be installed for salix-update-notifier to work.')" >&2
 	exit 1
 fi
 
@@ -37,40 +34,42 @@
 # possible locations for the configuration file
 CONFIG_FILE_LOCAL=$HOME/.config/salix-update-notifier
 CONFIG_FILE_GLOBAL=/etc/salix-update-notifier.conf
-
+unset NOTIFY
 # Main loop
+A=$(gettext 'Package updates are available for your system.\n\nSelecting OK will perform the updates using gslapt. Root user privileges will be required in order to do that.\n\nProceed with updating?'|sed 's/\\n/\n/g')
+B=$(gettext 'Package updates are available.')
 while true; do
 	# Check if there is a config file that should be read
-	if [ -f $CONFIG_FILE_LOCAL ]; then
-		CONFIG_FILE=$CONFIG_FILE_LOCAL
-	elif [ -f $CONFIG_FILE_GLOBAL ]; then
-		CONFIG_FILE=$CONFIG_FILE_GLOBAL
+	if [ -f "$CONFIG_FILE_LOCAL" ]; then
+		CONFIG_FILE="$CONFIG_FILE_LOCAL"
+	elif [ -f "$CONFIG_FILE_GLOBAL" ]; then
+		CONFIG_FILE="$CONFIG_FILE_GLOBAL"
 	fi
 
 	# Read configuration, includes the default interval and wheter to
 	# use a notification in addition to the tray icon
-	NOTIFY_SEND=true
 	INTERVAL=$DEFAULT_INTERVAL
-	if [ ! -z "$CONFIG_FILE" ]; then
-		INTERVAL=`grep "^interval=" $CONFIG_FILE | \
-			head -n1 | sed "s/interval=\(.*\)/\1/" `
+	if [ -n "$CONFIG_FILE" ]; then
+		INTERVAL=$(grep "^interval=" $CONFIG_FILE | \
+			head -n1 | sed "s/interval=\(.*\)/\1/")
 		grep -q "^notification=true$" $CONFIG_FILE && \
 			[ -x /usr/bin/notify-send ] && \
-			NOTIFY_SEND="notify-send -i salix-update-notifier `eval_gettext 'Package updates are available.'`"
+			NOTIFY="yes"
 	fi
-
-	if [[ `LANG=C /usr/sbin/slapt-get -s --upgrade | grep "Need to get"` ]]
-	then
+	if LANG=C /usr/sbin/slapt-get -s --upgrade | grep -q "Need to get"; then
+	    if test "$NOTIFY"; then
+			notify-send -a salix-update-notifier "$B"
+		fi
 		/usr/libexec/salix-update-notifier-tray-icon \
-		&& $NOTIFY_SEND \
-		&& zenity --question \
-		--title "`eval_gettext 'Install package updates?'`" \
-		--text="`eval_gettext 'Package updates are available for your system.\n\nSelecting OK will perform the updates using gslapt. Root user privileges will be required in order to do that.\n\nProceed with updating?'`" \
-		--window-icon=/usr/share/pixmaps/salix-update-notifier.png \
-		&& $SUCOMMAND gslapt --upgrade
+		&& yad --notification \
+		--title "$(gettext 'Install package updates?')" \
+		--text="$A" \
+		--image=/usr/share/pixmaps/salix-update-notifier.png \
+		--icon-size 32 \
+		&& $SUCOMMAND "/usr/sbin/gslapt --upgrade"
 	fi
 
 	# Wait until checking for updates again
-	sleep $INTERVAL || sleep $DEFAULT_INTERVAL
+	sleep "$INTERVAL" || sleep "$DEFAULT_INTERVAL"
 done
 
diff -ru salix-update-notifier-0.8.0/src/salix-update-notifier.conf salix-update-notifier-0.8.0.new/src/salix-update-notifier.conf
--- salix-update-notifier-0.8.0/src/salix-update-notifier.conf	2021-07-21 10:38:31.000000000 +0200
+++ salix-update-notifier-0.8.0.new/src/salix-update-notifier.conf	2021-12-14 10:36:50.491283207 +0100
@@ -1,2 +1,2 @@
 interval=2h
-notification=false
+notification=true
diff -ru salix-update-notifier-0.8.0/src/slapt-get-update salix-update-notifier-0.8.0.new/src/slapt-get-update
--- salix-update-notifier-0.8.0/src/slapt-get-update	2021-07-21 10:38:31.000000000 +0200
+++ salix-update-notifier-0.8.0.new/src/slapt-get-update	2021-12-14 10:36:01.060286854 +0100
@@ -4,4 +4,5 @@
 # placed inside /etc/cron.hourly or another cron directory
 
 slapt-get -u
+slapt-src -u &