$ git clone -n https://gitee.com/src-opencloudos-rpms/etcd.git /var/lib/mock/dist-oc9-build-136955-79436/root/chroot_tmpdir/scmroot/etcd
Cloning into '/var/lib/mock/dist-oc9-build-136955-79436/root/chroot_tmpdir/scmroot/etcd'...
$ git fetch origin 5834ab893b86bfc58684d1eb9393cd6aa48c6b9b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/etcd
 * [new ref]         5834ab893b86bfc58684d1eb9393cd6aa48c6b9b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5834ab8 import etcd-3.5.21-1.tl4