node wrapper: accept both scp -p and plain scp

Signed-off-by: Mattia Rizzolo <mattia@debian.org>

bin/jenkins_node_wrapper.sh

@@ -60,8 +60,20 @@ shift
 
 if [[ "$*" = "/bin/true" ]] ; then
 	exec /bin/true ; croak "Exec failed";
-elif [ "$1" = scp ] && [ "$2" = -f ]; then
+elif [ "$1" = scp ]; then
+	case "$#" in
+		3)
+			if [ "$2" = -f ]; then
 				exec scp -f "$3"; croak "Exec failed";
+			fi
+			;;
+		4)
+			if [ "$2" = -p ] && [ "$3" = -f ]; then
+				exec scp -p -f "$4"; croak "Exec failed";
+			fi
+			;;
+	esac
+	croak "Unknown scp command: $# $*"
 elif [[ "$*" = 'rm -v $(mktemp --tmpdir=/tmp read-only-fs-test-XXXXXX)' ]] ; then
 	exec rm -v $(mktemp --tmpdir=/tmp read-only-fs-test-XXXXXX) ; croak "Exec failed";
 elif [[ "$*" = "cleanup_nodes /srv/jenkins/bin/reproducible_slay.sh" ]] ; then