$ git clone -n https://gitee.com/wency_cn/cepces_1772033402.git /var/lib/mock/dist-an23-build-514970-75118/root/chroot_tmpdir/scmroot/cepces_1772033402
Cloning into '/var/lib/mock/dist-an23-build-514970-75118/root/chroot_tmpdir/scmroot/cepces_1772033402'...
$ git fetch origin 1a26cf1e31023f970cc5d599c46c5a9e8dc02b79:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cepces_1772033402
 * [new ref]         1a26cf1e31023f970cc5d599c46c5a9e8dc02b79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a26cf1 Update code from upstream