$ git clone -n https://src.fedoraproject.org/rpms/python-snakemake-storage-plugin-xrootd.git /var/lib/mock/f42-build-side-1-3588704-46949/root/chroot_tmpdir/scmroot/python-snakemake-storage-plugin-xrootd
Cloning into '/var/lib/mock/f42-build-side-1-3588704-46949/root/chroot_tmpdir/scmroot/python-snakemake-storage-plugin-xrootd'...
$ git fetch origin b0e1b9eba056669cb4fcfae2a9d85d80fa3f58e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-snakemake-storage-plugin-xrootd
 * [new ref]         b0e1b9eba056669cb4fcfae2a9d85d80fa3f58e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0e1b9e Update to 0.4.0 upstream release