$ git clone -n https://src.fedoraproject.org/rpms/firewalld.git /var/lib/mock/f39-build-1557332-37271/root/chroot_tmpdir/scmroot/firewalld
Cloning into '/var/lib/mock/f39-build-1557332-37271/root/chroot_tmpdir/scmroot/firewalld'...
$ git fetch origin 0098b623cd7e0786a05641582750d2c8afe6849d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/firewalld
 * [new ref]         0098b623cd7e0786a05641582750d2c8afe6849d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0098b62 rebase to v2.0.1