$ git clone -n https://src.fedoraproject.org/rpms/vulkan-utility-libraries.git /var/lib/mock/f45-build-38208-722/root/chroot_tmpdir/scmroot/vulkan-utility-libraries
Cloning into '/var/lib/mock/f45-build-38208-722/root/chroot_tmpdir/scmroot/vulkan-utility-libraries'...
$ git fetch origin 5bfa80a96f976cfc0fa96b09d21288d15280fae7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vulkan-utility-libraries
 * [new ref]         5bfa80a96f976cfc0fa96b09d21288d15280fae7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5bfa80a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild