$ git clone -n https://gitee.com/mgb01105731/go-rpm-macros_2.git /var/lib/mock/dist-an23-epao-build-302474-65991/root/chroot_tmpdir/scmroot/go-rpm-macros_2
Cloning into '/var/lib/mock/dist-an23-epao-build-302474-65991/root/chroot_tmpdir/scmroot/go-rpm-macros_2'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/go-rpm-macros_2
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70da438 update to version 3.2.0