$ git clone -n https://gitee.com/mgb01105731/python-virtualenv.git /var/lib/mock/dist-an23-build-192347-60804/root/chroot_tmpdir/scmroot/python-virtualenv
Cloning into '/var/lib/mock/dist-an23-build-192347-60804/root/chroot_tmpdir/scmroot/python-virtualenv'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/python-virtualenv
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8041158 update to version 20.17.0