$ git clone -n https://src.fedoraproject.org/rpms/R-presser.git /var/lib/mock/f40-build-2268436-54741/root/chroot_tmpdir/scmroot/R-presser
Cloning into '/var/lib/mock/f40-build-2268436-54741/root/chroot_tmpdir/scmroot/R-presser'...
$ git fetch origin 6717afce15c925f66da2eb7f8128213b4ffa34b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-presser
 * [new ref]         6717afce15c925f66da2eb7f8128213b4ffa34b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6717afc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild