$ git clone -n https://src.fedoraproject.org/rpms/R-later.git /var/lib/mock/f40-build-789477-135730/root/chroot_tmpdir/scmroot/R-later
Cloning into '/var/lib/mock/f40-build-789477-135730/root/chroot_tmpdir/scmroot/R-later'...
$ git fetch origin f0efff25c37a2b52f83ffac60708512e938aed54:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-later
 * [new ref]         f0efff25c37a2b52f83ffac60708512e938aed54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0efff2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild