$ git clone -n https://src.fedoraproject.org/rpms/unpaper.git /var/lib/mock/f41-build-856522-167650/root/chroot_tmpdir/scmroot/unpaper
Cloning into '/var/lib/mock/f41-build-856522-167650/root/chroot_tmpdir/scmroot/unpaper'...
$ git fetch origin 682354d6fd05976801dc2b141141bd67a42edd61:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/unpaper
 * [new ref]         682354d6fd05976801dc2b141141bd67a42edd61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 682354d Rebuild for ffmpeg 7