$ git clone -n https://src.fedoraproject.org/rpms/rust-mockito.git /var/lib/mock/f40-build-2527910-61827/root/chroot_tmpdir/scmroot/rust-mockito
Cloning into '/var/lib/mock/f40-build-2527910-61827/root/chroot_tmpdir/scmroot/rust-mockito'...
$ git fetch origin a33cd2f16fb004a14c95d5da27a7e86d93eeb53a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-mockito
 * [new ref]         a33cd2f16fb004a14c95d5da27a7e86d93eeb53a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a33cd2f Update to version 1.4.0; Fixes RHBZ#2265347