$ git clone -n https://git.cclinux.org/stage/rpms/rpm-ostree.git /var/lib/mock/dist-circle8-build-110187-65899/root/chroot_tmpdir/scmroot/rpm-ostree
Cloning into '/var/lib/mock/dist-circle8-build-110187-65899/root/chroot_tmpdir/scmroot/rpm-ostree'...
$ git fetch origin e8388c7788c137a58f1108ae072d9f8129303945:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/rpm-ostree
 * [new ref]         e8388c7788c137a58f1108ae072d9f8129303945 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8388c7 import rpm-ostree-2022.10.117.g52714b51-2.el8