$ git clone -n https://gitee.com/mgb01105731/redhat-rpm-config.git /var/lib/mock/dist-an23-build-294902-65760/root/chroot_tmpdir/scmroot/redhat-rpm-config
Cloning into '/var/lib/mock/dist-an23-build-294902-65760/root/chroot_tmpdir/scmroot/redhat-rpm-config'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/redhat-rpm-config
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 024b153 init upstream from version 262