$ git clone -n https://src.fedoraproject.org/rpms/python-xyzservices.git /var/lib/mock/f40-build-1465740-23665/root/chroot_tmpdir/scmroot/python-xyzservices
Cloning into '/var/lib/mock/f40-build-1465740-23665/root/chroot_tmpdir/scmroot/python-xyzservices'...
$ git fetch origin e5cfba73ddd31d2b4bed7a1d1e5fa1ab7fa21a38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-xyzservices
 * [new ref]         e5cfba73ddd31d2b4bed7a1d1e5fa1ab7fa21a38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5cfba7 Update to latest version (#2290710)