source-controller-patch.yaml

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
metadata:
  name: source-controller-patch
  namespace: flux-system
patches:
  - patch: |
      - op: add
        path: /spec/template/spec/containers/0/args/-
        value: --helm-index-max-size=80000000
    target:
      kind: Deployment
      name: "source-controller"