$ git clone -n https://src.fedoraproject.org/rpms/pipewire.git /var/lib/mock/f40-build-2113095-50675/root/chroot_tmpdir/scmroot/pipewire
Cloning into '/var/lib/mock/f40-build-2113095-50675/root/chroot_tmpdir/scmroot/pipewire'...
$ git fetch origin b90ba279c9849f1ff6e81720380089c0188af0c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pipewire
 * [new ref]         b90ba279c9849f1ff6e81720380089c0188af0c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b90ba27 Add patch to avoid crash in deviceprovider.