Moving this from #gripes on Slack.

Mine @SteVwonder question was:

Why does spack env activate not run setup_run_environment for dependencies of packages listed in an env yaml? Due to this behavior spack load flux-sched behaves differently from spack env activate . with a yaml file containing flux-sched as the only package.

@tgamblin answer was:

_env_modifications_for_default_view doesn’t currently traverse run deps, but it really should