$ git clone -n https://src.fedoraproject.org/rpms/materia-gtk-theme.git /var/lib/mock/f40-build-2278971-55300/root/chroot_tmpdir/scmroot/materia-gtk-theme
Cloning into '/var/lib/mock/f40-build-2278971-55300/root/chroot_tmpdir/scmroot/materia-gtk-theme'...
$ git fetch origin 023d25ad8044548bd5528509a1e929994f211d8d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/materia-gtk-theme
 * [new ref]         023d25ad8044548bd5528509a1e929994f211d8d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 023d25a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild