$ git clone -n https://gitee.com/Weisson/binutils.git /var/lib/mock/dist-an23-build-456403-73652/root/chroot_tmpdir/scmroot/binutils
Cloning into '/var/lib/mock/dist-an23-build-456403-73652/root/chroot_tmpdir/scmroot/binutils'...
$ git fetch origin ddf7e7a2cb338d8f1821711e1f9aaf2802a7d3d8:KOJI_FETCH_HEAD
From https://gitee.com/Weisson/binutils
 * [new ref]         ddf7e7a2cb338d8f1821711e1f9aaf2802a7d3d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddf7e7a RISC-V: Add support for Zfbfmin extension