$ git clone -n https://gitee.com/src-opencloudos-rpms/apiguardian.git /var/lib/mock/dist-oc9-build-126595-76234/root/chroot_tmpdir/scmroot/apiguardian
Cloning into '/var/lib/mock/dist-oc9-build-126595-76234/root/chroot_tmpdir/scmroot/apiguardian'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/apiguardian
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ae673a import apiguardian-1.1.2-5.tl4