Content interface `content` attribute

[Kyle Fazzari]

Hey all.

I'm trying to figure out what the `content` attribute is for in the
content interface. The docs say "The content attribute specified of the
consuming snap (plug) must have a content attribute match in the
providing snap (slot)." However, I have two snaps, provider side looking
like this:

    slots:
      share-foo:
        content: foo
        interface: content
        read: [/]

Consumer side like this:

    plugs:
      use-foo:
        content: foo2
        interface: content
        target: /bar

These interfaces connect fine, and I can see the contents of the
provider within $SNAP/bar of the consumer. Running snapd v2.17.1. So
unless I misunderstand the sentence from the docs, that doesn't seem
accurate, and I have no idea what this attribute does.

Any ideas?

-- 
Kyle Fazzari (kyrofa)
Software Engineer
Canonical Ltd.
kyle at canonical.com

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