$ git clone -n https://src.fedoraproject.org/rpms/ocproxy.git /var/lib/mock/f40-build-2617327-64402/root/chroot_tmpdir/scmroot/ocproxy
Cloning into '/var/lib/mock/f40-build-2617327-64402/root/chroot_tmpdir/scmroot/ocproxy'...
$ git fetch origin 4b231572bc5fd164e24880e49466768046fdff8a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocproxy
 * [new ref]         4b231572bc5fd164e24880e49466768046fdff8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b23157 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild