$ git clone -n https://src.fedoraproject.org/rpms/R-tufte.git /var/lib/mock/f39-build-1544850-36670/root/chroot_tmpdir/scmroot/R-tufte
Cloning into '/var/lib/mock/f39-build-1544850-36670/root/chroot_tmpdir/scmroot/R-tufte'...
$ git fetch origin e79d007bf847bf1fb8b1928bd83355f460c4b43b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-tufte
 * [new ref]         e79d007bf847bf1fb8b1928bd83355f460c4b43b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e79d007 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild