$ git clone -n https://gitee.com/src-opencloudos-rpms/python-incremental.git /var/lib/mock/dist-oc9-build-121412-71655/root/chroot_tmpdir/scmroot/python-incremental
Cloning into '/var/lib/mock/dist-oc9-build-121412-71655/root/chroot_tmpdir/scmroot/python-incremental'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-incremental
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c43ef67 import python-incremental-22.10.0-3.tl4