$ git clone -n https://src.fedoraproject.org/rpms/python-testinfra.git /var/lib/mock/f41-build-side-1-3135885-39768/root/chroot_tmpdir/scmroot/python-testinfra
Cloning into '/var/lib/mock/f41-build-side-1-3135885-39768/root/chroot_tmpdir/scmroot/python-testinfra'...
$ git fetch origin 7cd37934cc783b7bff0e60baacef66d6c387a39a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-testinfra
 * [new ref]         7cd37934cc783b7bff0e60baacef66d6c387a39a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7cd3793 Retired: https://pagure.io/releng/issue/12278