Test for string length

Otherwise the IDMETA args is always reset

diff --git a/id-deb-build/id-pbuild.sh b/id-deb-build/id-pbuild.sh
index 061661c..50c06ef 100755 (executable)
--- a/id-deb-build/id-pbuild.sh
+++ b/id-deb-build/id-pbuild.sh
@@ -57,7 +57,8 @@ while test $# -gt 0; do
     esac
     shift
 done
-if test $DEBIAN_DIST_A -o $UBUNTU_DIST_A -o $CENTOS_DIST_A; then
+
+if test -n $DEBIAN_DIST_A -o -n $UBUNTU_DIST_A -o -n $CENTOS_DIST_A; then
     DEBIAN_DIST=$DEBIAN_DIST_A
     UBUNTU_DIST=$UBUNTU_DIST_A
     CENTOS_DIST=$CENTOS_DIST_A