$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtspeech.git /var/lib/mock/f41-build-812279-147775/root/chroot_tmpdir/scmroot/qt5-qtspeech
Cloning into '/var/lib/mock/f41-build-812279-147775/root/chroot_tmpdir/scmroot/qt5-qtspeech'...
$ git fetch origin 3624dd2b31863c4befba8c2628b722989f868ec9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtspeech
 * [new ref]         3624dd2b31863c4befba8c2628b722989f868ec9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3624dd2 5.15.14