ci: Bump rpm-ostree tag to 2018.8

2018.7 started failing `test-ucontainer.sh`. I don't have the cycles to
look more deeply into what was going on there, but bumping to 2018.8
fixes it at least. (And of course, it's passing in rpm-ostree too.)

Closes: #1728
Approved by: cgwalters

diff --git a/ci/rpmostree.sh b/ci/rpmostree.sh
index 0d8a5e4112b9b63a4d7a5350951a8b1427e81c0a..421aca380c08852e2ddd8145a9b488c83013e2fe 100755 (executable)
--- a/ci/rpmostree.sh
+++ b/ci/rpmostree.sh
@@ -6,7 +6,7 @@ set -xeuo pipefail
 # Frozen to a tag for now to help predictability; it's
 # also useful to test building *older* versions since
 # that must work.
-RPMOSTREE_TAG=v2018.7
+RPMOSTREE_TAG=v2018.8
 
 dn=$(dirname $0)
 . ${dn}/libpaprci/libbuild.sh