$ git clone -n https://gitee.com/src-opencloudos-rpms/binutils.git /var/lib/mock/dist-oc9-build-40708-14590/root/chroot_tmpdir/scmroot/binutils
Cloning into '/var/lib/mock/dist-oc9-build-40708-14590/root/chroot_tmpdir/scmroot/binutils'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/binutils
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36da490 import binutils-2.38-4.tl4.1