$ git clone -n https://src.fedoraproject.org/rpms/R-memoise.git /var/lib/mock/f40-build-2321785-58608/root/chroot_tmpdir/scmroot/R-memoise
Cloning into '/var/lib/mock/f40-build-2321785-58608/root/chroot_tmpdir/scmroot/R-memoise'...
$ git fetch origin be81e53d138ee09c0870f9c10dcc76aeec572cb3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-memoise
 * [new ref]         be81e53d138ee09c0870f9c10dcc76aeec572cb3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be81e53 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild