$ git clone -n https://gitee.com/src-opencloudos-rpms/qt5-qtbase /var/lib/mock/dist-oc8-build-40417-14569/root/chroot_tmpdir/scmroot/qt5-qtbase
Cloning into '/var/lib/mock/dist-oc8-build-40417-14569/root/chroot_tmpdir/scmroot/qt5-qtbase'...
$ git fetch origin 790d0333bf477a03004c24c33f4326caef8b107e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/qt5-qtbase
 * [new ref]         790d0333bf477a03004c24c33f4326caef8b107e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 790d033 import qt5-qtbase-5.15.2-4.oc8