$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtspeech.git /var/lib/mock/f39-build-1685309-41074/root/chroot_tmpdir/scmroot/qt6-qtspeech
Cloning into '/var/lib/mock/f39-build-1685309-41074/root/chroot_tmpdir/scmroot/qt6-qtspeech'...
$ git fetch origin 8658df7bfa507bdf31b195efea22e2daf6cab971:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtspeech
 * [new ref]         8658df7bfa507bdf31b195efea22e2daf6cab971 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8658df7 6.6.0