$ git clone -n https://gitee.com/src-opencloudos-rpms/python-sqlalchemy.git /var/lib/mock/dist-oc9-build-121553-71695/root/chroot_tmpdir/scmroot/python-sqlalchemy
Cloning into '/var/lib/mock/dist-oc9-build-121553-71695/root/chroot_tmpdir/scmroot/python-sqlalchemy'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-sqlalchemy
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d07bfc import python-sqlalchemy-1.4.49-6.tl4