pub get/upgrade/install should not create packages directories in sub-projects

[DartBot]

This issue was originally filed by @zoechi

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Normally pub upgrade (or get/install) creates packages only in a subset of the folders bin (only one or two levels deep AFAIR), test, example, web but for example not in lib, or build.
When I have a nested project for example in example, pub upgrade creates packages directory in every sub-directory of example, also for example in myprj/example/my_sub_prj/lib/src.

[nex3]

Pub doesn't have a notion of "sub-projects", and there aren't plans to add one. We could theoretically say that it doesn't create "packages" directories below a directory with a pubspec, but without a strong sub-project convention that seems more confusing than helpful, especially if users have pubspecs that they want to treat as data.

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Added NotPlanned label.

[DartBot]

This comment was originally written by @zoechi

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Seems a bit inconsistent. Related DartEditor and Analyzer bugs were fixed.
Are there any plans for improvements in this area (dependencies for bin/example/tool/test or sub-projects)?

[DartBot]

This comment was originally written by @zoechi

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Even when Pub does not have a notion of "sub-projects" doesn't mean it isn't useful and also doesn't mean it needs to be prevented. I think this is the simplest way to improve the life for developers.

[nex3]

Are there any plans for improvements in this area (dependencies for
bin/example/tool/test or sub-projects)?

No.

Also, as I've stated many times before, "bin" should not be thought of as a separate project anyway, since it's part of a package's public API.

Even when Pub does not have a notion of "sub-projects" doesn't mean it isn't
useful and also doesn't mean it needs to be prevented. I think this is the
simplest way to improve the life for developers.

There's nothing preventing you from just running "pub get" again in your examples.

[DartBot]

This issue has been moved to dart-lang/pub#12.