$ git clone -n https://gitee.com/src-opencloudos-rpms/qt5-qtbase.git /var/lib/mock/dist-oc9-build-82000-56978/root/chroot_tmpdir/scmroot/qt5-qtbase
Cloning into '/var/lib/mock/dist-oc9-build-82000-56978/root/chroot_tmpdir/scmroot/qt5-qtbase'...
$ git fetch origin ae7e43417f285e7364b875a720ca450cc19526d6:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/qt5-qtbase
 * [new ref]         ae7e43417f285e7364b875a720ca450cc19526d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae7e434 import qt5-qtbase-5.15.11-5.tl4