$ git clone -n https://src.fedoraproject.org/rpms/freefem++.git /var/lib/mock/f40-build-2292260-56117/root/chroot_tmpdir/scmroot/freefem++
Cloning into '/var/lib/mock/f40-build-2292260-56117/root/chroot_tmpdir/scmroot/freefem++'...
$ git fetch origin b7deeeb82b2806ed625d8a498cdbb951960fe6bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freefem++
 * [new ref]         b7deeeb82b2806ed625d8a498cdbb951960fe6bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7deeeb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild