$ git clone -n https://src.fedoraproject.org/rpms/R-orcutt.git /var/lib/mock/f40-build-2321892-58615/root/chroot_tmpdir/scmroot/R-orcutt
Cloning into '/var/lib/mock/f40-build-2321892-58615/root/chroot_tmpdir/scmroot/R-orcutt'...
$ git fetch origin d1b7412fcd426b2fe83a61b57810b90e2b44ed0b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-orcutt
 * [new ref]         d1b7412fcd426b2fe83a61b57810b90e2b44ed0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1b7412 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild