virt-sysprep: Skip test if xmlstarlet is not installed.

This dependency is optional, so don't fail the test if it
is not installed.

diff --git a/clone/test-virt-sysprep.sh b/clone/test-virt-sysprep.sh
index 097f416..81e01f8 100755 (executable)
--- a/clone/test-virt-sysprep.sh
+++ b/clone/test-virt-sysprep.sh
@@ -24,6 +24,11 @@ if [ ! -w /dev/fuse ]; then
     exit 0
 fi
 
+if ! xmlstarlet --help >/dev/null 2>&1; then
+    echo "SKIPPING virt-sysprep test, because xmlstarlet is not installed."
+    exit 0
+fi
+
 rm -f test.img guestfish
 
 qemu-img create -f qcow2 -o backing_file=../images/fedora.img test.img