$ git clone -n https://gitee.com/wency_cn/redis_1770984547.git /var/lib/mock/dist-an23-build-514574-75110/root/chroot_tmpdir/scmroot/redis_1770984547
Cloning into '/var/lib/mock/dist-an23-build-514574-75110/root/chroot_tmpdir/scmroot/redis_1770984547'...
$ git fetch origin e2c92824cb454e422703d615f571c258ed9bfba0:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/redis_1770984547
 * [new ref]         e2c92824cb454e422703d615f571c258ed9bfba0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2c9282 Update code from upstream