$ git clone -n https://src.fedoraproject.org/rpms/mat2.git /var/lib/mock/f41-build-side-2-python-2688471-30181/root/chroot_tmpdir/scmroot/mat2
Cloning into '/var/lib/mock/f41-build-side-2-python-2688471-30181/root/chroot_tmpdir/scmroot/mat2'...
$ git fetch origin 7d59dd1da7100b54ecd705fc71223e59a5f82fa3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mat2
 * [new ref]         7d59dd1da7100b54ecd705fc71223e59a5f82fa3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d59dd1 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild