$ git clone -n https://gitee.com/src-opencloudos-rpms/physfs.git /var/lib/mock/dist-oc9-build-130285-78131/root/chroot_tmpdir/scmroot/physfs
Cloning into '/var/lib/mock/dist-oc9-build-130285-78131/root/chroot_tmpdir/scmroot/physfs'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/physfs
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d6d967 import physfs-3.0.2-6.tl4