$ git clone -n https://gitee.com/src-opencloudos-rpms/qt5-qttools /var/lib/mock/dist-oc8-build-64383-16536/root/chroot_tmpdir/scmroot/qt5-qttools
Cloning into '/var/lib/mock/dist-oc8-build-64383-16536/root/chroot_tmpdir/scmroot/qt5-qttools'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/qt5-qttools
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1552182 import qt5-qttools-5.15.3-5.tl3