test: extend start-stop-sysv to verify reload:script support

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/skel/sbin/service.sh

@@ -2,23 +2,33 @@
 
 cleanup()
 {
-	echo "Got signal, stopping ..."
-	rm -f /run/service.pid
-	exit 0
+    echo "Got signal, stopping ..."
+    rm -f /run/service.pid
+    exit 0
+}
+
+reload()
+{
+    echo
+    echo "Ready."
+    echo
+    sleep 1
+    echo $$ > /run/service.pid
 }
 
 # Hook SIGUSR1 and dump trace to file system
 # shellcheck disable=SC2172
 trap 'echo USR1 > /tmp/usr1.log' USR1
+trap reload  HUP
 trap cleanup INT
 trap cleanup TERM
 trap cleanup QUIT
 trap cleanup EXIT
 
-echo $$ > /run/service.pid
+reload
 
 # sleep may exit on known signal, so
 # we cannot use 'set -e'
 while true; do
-	sleep 1
+    sleep 1
 done