$ git clone -n https://gitee.com/fundawang/binutils.git /var/lib/mock/dist-an23-build-184349-60380/root/chroot_tmpdir/scmroot/binutils
Cloning into '/var/lib/mock/dist-an23-build-184349-60380/root/chroot_tmpdir/scmroot/binutils'...
$ git fetch origin 99ecfe7b96edc15d21240a267272e5bcd7796c49:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/binutils
 * [new ref]         99ecfe7b96edc15d21240a267272e5bcd7796c49 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99ecfe7 2.39