$ git clone -n https://gitee.com/src-opencloudos-rpms/python-ironic-lib.git /var/lib/mock/dist-oc9-epol-build-56148-14802/root/chroot_tmpdir/scmroot/python-ironic-lib
Cloning into '/var/lib/mock/dist-oc9-epol-build-56148-14802/root/chroot_tmpdir/scmroot/python-ironic-lib'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-ironic-lib
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ff7e71 import python-ironic-lib-4.6.1-2.tl4