$ git clone -n https://src.fedoraproject.org/rpms/vulkan-utility-libraries.git /var/lib/mock/f41-build-846686-163186/root/chroot_tmpdir/scmroot/vulkan-utility-libraries
Cloning into '/var/lib/mock/f41-build-846686-163186/root/chroot_tmpdir/scmroot/vulkan-utility-libraries'...
$ git fetch origin 6f5403009bf055873723ef17c734f998af709a75:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vulkan-utility-libraries
 * [new ref]         6f5403009bf055873723ef17c734f998af709a75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f54030 Update to 1.3.290.0 SDK