$ git clone -n https://src.fedoraproject.org/rpms/python3-iep.git /var/lib/mock/f41-build-781748-13562/root/chroot_tmpdir/scmroot/python3-iep
Cloning into '/var/lib/mock/f41-build-781748-13562/root/chroot_tmpdir/scmroot/python3-iep'...
$ git fetch origin ab3aff8c53ba7b55e99cecc52e58cc04f06d53a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python3-iep
 * [new ref]         ab3aff8c53ba7b55e99cecc52e58cc04f06d53a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab3aff8 Eliminate use of obsolete %patchN syntax (#2283636)