$ git clone -n https://gitee.com/src-opencloudos-rpms/subscription-manager /var/lib/mock/dist-oc8-build-58135-15943/root/chroot_tmpdir/scmroot/subscription-manager
Cloning into '/var/lib/mock/dist-oc8-build-58135-15943/root/chroot_tmpdir/scmroot/subscription-manager'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/subscription-manager
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1abaea6 import subscription-manager-1.28.40-1.tl3