$ git clone -n https://src.fedoraproject.org/rpms/rpm-ostree.git /var/lib/mock/f41-build-851182-165857/root/chroot_tmpdir/scmroot/rpm-ostree
Cloning into '/var/lib/mock/f41-build-851182-165857/root/chroot_tmpdir/scmroot/rpm-ostree'...
$ git fetch origin 6b8f8188050f87c8e5b1e83ea524b71bdbd95e2c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpm-ostree
 * [new ref]         6b8f8188050f87c8e5b1e83ea524b71bdbd95e2c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b8f818 Release 2024.8