$ git clone -n https://gitee.com/gcdota930915/binutils.git.git /var/lib/mock/dist-an23-build-359944-71188/root/chroot_tmpdir/scmroot/binutils.git
Cloning into '/var/lib/mock/dist-an23-build-359944-71188/root/chroot_tmpdir/scmroot/binutils.git'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/gcdota930915/binutils.git
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at edf3fac Update to 2.41