$ git clone -n https://gitee.com/hongwei-qin/memcached.git /var/lib/mock/dist-an23.3-build-415691-72844/root/chroot_tmpdir/scmroot/memcached
Cloning into '/var/lib/mock/dist-an23.3-build-415691-72844/root/chroot_tmpdir/scmroot/memcached'...
$ git fetch origin 382b3f8581aa4d5311e87193e0891fb45517ead9:KOJI_FETCH_HEAD
From https://gitee.com/hongwei-qin/memcached
 * [new ref]         382b3f8581aa4d5311e87193e0891fb45517ead9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 382b3f8 update to 1.6.23