# The vitally important calls are 'add-drive-ro' and
# 'add-drive-opts ... readonly:true'.
-../fish/guestfish <<'EOF'
+../../fish/guestfish <<'EOF'
add-drive-ro test1.img
add-drive-opts test2.img format:raw readonly:true
add-drive-opts test3.img format:qcow2 readonly:true