$ git clone -n https://src.fedoraproject.org/rpms/R-KEGGREST.git /var/lib/mock/f40-build-2270091-54793/root/chroot_tmpdir/scmroot/R-KEGGREST
Cloning into '/var/lib/mock/f40-build-2270091-54793/root/chroot_tmpdir/scmroot/R-KEGGREST'...
$ git fetch origin 350ef970a1cef549c0d038ec8d5f0fedb9017bee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-KEGGREST
 * [new ref]         350ef970a1cef549c0d038ec8d5f0fedb9017bee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 350ef97 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild