Warn with using env without env: global: in custom config

[natebosch]

Since the individual jobs use env it's not safe to have an environment configured at the top level without using global. This is an easy mistake to make so we should detect that it's happening and warn.

[kevmoo]

Good idea! PRs welcome. :-)

…

On Mon, Apr 8, 2019 at 3:57 PM Nate Bosch ***@***.***> wrote: Since the individual jobs use env it's not safe to have an environment configured at the top level without using global. This is an easy mistake to make so we should detect that it's happening and warn. — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#141>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AABCis8vnSioUhC7wgSw4iqFB62PzZ34ks5ve8l0gaJpZM4cjRHP> .