$ git clone -n https://gitee.com/mgb01105731/qt5-qtwebengine_1.git /var/lib/mock/dist-an23-dde-build-443691-73224/root/chroot_tmpdir/scmroot/qt5-qtwebengine_1
Cloning into '/var/lib/mock/dist-an23-dde-build-443691-73224/root/chroot_tmpdir/scmroot/qt5-qtwebengine_1'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/qt5-qtwebengine_1
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9dc15bb Update to 5.15.18 for deepin-reader 6.5.21