$ git clone -n https://src.fedoraproject.org/rpms/python-smbc.git /var/lib/mock/f40-build-2232033-53320/root/chroot_tmpdir/scmroot/python-smbc
Cloning into '/var/lib/mock/f40-build-2232033-53320/root/chroot_tmpdir/scmroot/python-smbc'...
$ git fetch origin 4092d781d1d7a4ccbf4d5f3be7a37c375b483b82:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-smbc
 * [new ref]         4092d781d1d7a4ccbf4d5f3be7a37c375b483b82 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4092d78 SPDX migration, spec update