$ git clone -n https://gitee.com/fundawang/ceph.git /var/lib/mock/dist-an23-build-312631-67129/root/chroot_tmpdir/scmroot/ceph
Cloning into '/var/lib/mock/dist-an23-build-312631-67129/root/chroot_tmpdir/scmroot/ceph'...
$ git fetch origin 32c75e21522c875b01d75729a7a9bb479cead00d:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/ceph
 * [new ref]         32c75e21522c875b01d75729a7a9bb479cead00d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 32c75e2 show