$ git clone -n https://gitee.com/opencloudos-stream/libfm.git /var/lib/mock/dist-oc9-epol-build-68467-46992/root/chroot_tmpdir/scmroot/libfm
Cloning into '/var/lib/mock/dist-oc9-epol-build-68467-46992/root/chroot_tmpdir/scmroot/libfm'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libfm
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e51aa37 !2 关闭bootstrap Merge pull request !2 from jeremiazhao/master