$ git clone -n https://gitee.com/src-opencloudos-rpms/qt5-qtbase /var/lib/mock/dist-oc8-build-26645-7660/root/chroot_tmpdir/scmroot/qt5-qtbase
Cloning into '/var/lib/mock/dist-oc8-build-26645-7660/root/chroot_tmpdir/scmroot/qt5-qtbase'...
$ git reset --hard origin/oc8
HEAD is now at 790d033 import qt5-qtbase-5.15.2-4.oc8