$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-Geometry-Voronoi.git /var/lib/mock/f40-build-732038-104596/root/chroot_tmpdir/scmroot/perl-Math-Geometry-Voronoi
Cloning into '/var/lib/mock/f40-build-732038-104596/root/chroot_tmpdir/scmroot/perl-Math-Geometry-Voronoi'...
$ git fetch origin fe043bc9721601e18366083675abc5e8d6c24a99:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Math-Geometry-Voronoi
 * [new ref]         fe043bc9721601e18366083675abc5e8d6c24a99 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe043bc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild