$ git clone -n https://gitee.com/bbrucezhang/lustre.git /var/lib/mock/dist-oc9-epol-build-240537-82721/root/chroot_tmpdir/scmroot/lustre
Cloning into '/var/lib/mock/dist-oc9-epol-build-240537-82721/root/chroot_tmpdir/scmroot/lustre'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/bbrucezhang/lustre
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fc66a7 lustre.spec: adapt for TencentOS Server 4 client-only build