$ git clone -n https://gitee.com/src-opencloudos-rpms/plexus-build-api.git /var/lib/mock/dist-oc9-build-71447-47556/root/chroot_tmpdir/scmroot/plexus-build-api
Cloning into '/var/lib/mock/dist-oc9-build-71447-47556/root/chroot_tmpdir/scmroot/plexus-build-api'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/plexus-build-api
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b099be5 import plexus-build-api-0.0.7-6.tl4