$ git clone -n https://gitee.com/mgb01105731/qt5-qtwebengine_1.git /var/lib/mock/dist-an23-dde-build-443433-73211/root/chroot_tmpdir/scmroot/qt5-qtwebengine_1
Cloning into '/var/lib/mock/dist-an23-dde-build-443433-73211/root/chroot_tmpdir/scmroot/qt5-qtwebengine_1'...
$ git fetch origin 16890e1cc70a354ba0cf34357692f60a2b14baf0:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/qt5-qtwebengine_1
 * [new ref]         16890e1cc70a354ba0cf34357692f60a2b14baf0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16890e1 Update to 5.15.18 for deepin-reader 6.5.21