$ git clone -n https://gitee.com/opencloudos-stream/openstack-keystone.git /var/lib/mock/dist-oc9-epol-build-100935-65270/root/chroot_tmpdir/scmroot/openstack-keystone
Cloning into '/var/lib/mock/dist-oc9-epol-build-100935-65270/root/chroot_tmpdir/scmroot/openstack-keystone'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/openstack-keystone
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4944126 !4 fix CVE-2021-3563 Merge pull request !4 from cunshunxia/master