$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtquicktimeline.git /var/lib/mock/f38-build-724616-99442/root/chroot_tmpdir/scmroot/qt6-qtquicktimeline
Cloning into '/var/lib/mock/f38-build-724616-99442/root/chroot_tmpdir/scmroot/qt6-qtquicktimeline'...
$ git fetch origin afba1593d704b694adc36260c3f000bebfc807d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtquicktimeline
 * [new ref]         afba1593d704b694adc36260c3f000bebfc807d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afba159 6.5.1