[thcipriani@deploy1001 blubberoid (master % u=)]$ pwd
/srv/deployment-charts/helmfile.d/services/staging/blubberoid
[thcipriani@deploy1001 blubberoid (master % u=)]$ KUBECONFIG=/etc/kubernetes/blubberoid-staging.config helmfile diff
Adding repo stable https://releases.wikimedia.org/charts/
"stable" has been added to your repositories

Updating repo
Hang tight while we grab the latest from your chart repositories...
...Skip local chart repository
...Successfully got an update from the "stable" chart repository
Update Complete. ⎈ Happy Helming!⎈

helmfile.yaml: basePath=.
skipping missing values file matching "private/secrets.yaml"
Comparing staging stable/blubberoid
in ./helmfile.yaml: failed processing release staging: helm exited with status 1:                                                                     
  Error: unknown command "diff" for "helm"
  Run 'helm --help' for usage.