$ git clone -n https://gitee.com/src-opencloudos-rpms/qt5-qtbase.git /var/lib/mock/dist-oc8-build-81916-56644/root/chroot_tmpdir/scmroot/qt5-qtbase
Cloning into '/var/lib/mock/dist-oc8-build-81916-56644/root/chroot_tmpdir/scmroot/qt5-qtbase'...
$ git fetch origin 475b4cfeaec62f884d9df04680789e3dfb40e4be:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/qt5-qtbase
 * [new ref]         475b4cfeaec62f884d9df04680789e3dfb40e4be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 475b4cf import qt5-qtbase-5.15.3-8.tl3