$ git clone -n https://src.fedoraproject.org/rpms/python-pytest-datadir.git /var/lib/mock/f45-build-32515-660/root/chroot_tmpdir/scmroot/python-pytest-datadir
Cloning into '/var/lib/mock/f45-build-32515-660/root/chroot_tmpdir/scmroot/python-pytest-datadir'...
$ git fetch origin fb5e4c8751a65e6ba1e5d93597a680332d0694e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pytest-datadir
 * [new ref]         fb5e4c8751a65e6ba1e5d93597a680332d0694e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb5e4c8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild