tests: Use --parent=none rather than deleting the ref

This is atomic. Not that it matters for this test, but let's have our tests use ostree well.
coreos · Oct 4, 2017 · ce5e609 · ce5e609
1 parent f3c63b6
commit ce5e609
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/tests/vmcheck/overlay.sh b/tests/vmcheck/overlay.sh
@@ -59,7 +59,6 @@ fi
 rm -vrf vmcheck/usr/etc/selinux/targeted/semanage.*.LOCK
 # ✀✀✀ END tmp hack
 
-ostree refs --delete vmcheck || true
-ostree commit -b vmcheck --link-checkout-speedup \
+ostree commit --parent=none -b vmcheck --link-checkout-speedup \
   --selinux-policy=vmcheck --tree=dir=vmcheck
 ostree admin deploy vmcheck