$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtspeech.git /var/lib/mock/f40-build-800462-143563/root/chroot_tmpdir/scmroot/qt5-qtspeech
Cloning into '/var/lib/mock/f40-build-800462-143563/root/chroot_tmpdir/scmroot/qt5-qtspeech'...
$ git fetch origin cea0be47657e3038cfe791ac5a0042efb96c8fa3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtspeech
 * [new ref]         cea0be47657e3038cfe791ac5a0042efb96c8fa3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cea0be4 5.15.13