pkg_add -r doesn't process sub dependencies?

[Steven Hartland]

Seems if you have package X which depends on package Y which
depends on package Z then pkg_add -r X will always fail unless
you first :-
1. pkg_add -r Y
2. pkg_add -r Z

The failure will be:-
pkg_add: could not find package Z !

This happens even though Z exists in the remote source package
directory.

Surely I've missed something very basic here and pkg_add isn't
that broken?

    Regards
    Steve

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