$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Structure-Util.git /var/lib/mock/f40-build-779842-130508/root/chroot_tmpdir/scmroot/perl-Data-Structure-Util
Cloning into '/var/lib/mock/f40-build-779842-130508/root/chroot_tmpdir/scmroot/perl-Data-Structure-Util'...
$ git fetch origin 7d3d43e419472f233e66791f82a13d0d86908921:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Structure-Util
 * [new ref]         7d3d43e419472f233e66791f82a13d0d86908921 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d3d43e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild