$ git clone -n https://src.fedoraproject.org/rpms/perl-Gtk2-Spell.git /var/lib/mock/f40-build-779727-130466/root/chroot_tmpdir/scmroot/perl-Gtk2-Spell
Cloning into '/var/lib/mock/f40-build-779727-130466/root/chroot_tmpdir/scmroot/perl-Gtk2-Spell'...
$ git fetch origin 23d96b9e588bfe3cab964af0e4e5f7753bd26e6e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Gtk2-Spell
 * [new ref]         23d96b9e588bfe3cab964af0e4e5f7753bd26e6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23d96b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild