$ git clone -n https://gitee.com/opencloudos-stream/esmi_ib_library.git /var/lib/mock/dist-oc9-epol-build-82817-57155/root/chroot_tmpdir/scmroot/esmi_ib_library
Cloning into '/var/lib/mock/dist-oc9-epol-build-82817-57155/root/chroot_tmpdir/scmroot/esmi_ib_library'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/esmi_ib_library
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c92aa36 package init