$ git clone -n https://gitee.com/src-opencloudos-rpms/rpm-ostree /var/lib/mock/dist-oc8-build-58105-15905/root/chroot_tmpdir/scmroot/rpm-ostree
Cloning into '/var/lib/mock/dist-oc8-build-58105-15905/root/chroot_tmpdir/scmroot/rpm-ostree'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rpm-ostree
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a1d175 import rpm-ostree-2022.10.117.g52714b51-2.tl3