fix OVERLAYDIR setup

diff --git a/overlay-boot b/overlay-boot
index 75939fe97a2b670863cabf5252297f59e1bd10c7..0db05aa32974a4854d012d76a8085e7cdf54a1bc 100755 (executable)
--- a/overlay-boot
+++ b/overlay-boot
@@ -4,10 +4,10 @@
 # is an overlay of the subhost's root and an OS root. The service
 # subhost is defined by a configuration file named on teh command line
 
-OVERLAYDIR="$(realpath $(dirname $0))"
+OVERLAYDIR="$(dirname $(realpath $0))"
 
 [ $(id -u) = 0 ] || exec sudo $0 $@
-. $(dirname $(realpath $0))/functions $*
+. $OVERLAYDIR/functions $*
 
 CONFIG="$1"
 [ -r "$CONFIG" ] || die "Missing configuration $CONFIG"