$ git clone -n https://src.fedoraproject.org/rpms/dbus.git /var/lib/mock/f40-build-731299-103849/root/chroot_tmpdir/scmroot/dbus
Cloning into '/var/lib/mock/f40-build-731299-103849/root/chroot_tmpdir/scmroot/dbus'...
$ git fetch origin 53b34d262e257e2b288dbe00368aada063951a49:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dbus
 * [new ref]         53b34d262e257e2b288dbe00368aada063951a49 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 53b34d2 Update to 1.14.10