Adding --scope to ls or some way to determine which packages are depended upon for a single package

[Steven-Evans]

Supposing a monorepo has multiple common dependent packages for services which are also in the same repository, it would be useful to know the complete list of packages that a particular service depends on. For example:

Service-1 depends on Auth
Auth depends on Common
Service-2 depends on Auth and Profile
Profile depends on Common

Then lerna ls --scope Service-1 outputs something like:
Service-1
Auth
Common

[Steven-Evans]

#382 PR with possible changes. Works for me but may be sloppy? Thoughts are appreciated on both code and whether this should even be considered part of master.

[lukebatchelor]

Just linking this here for completeness re: the quiet flag #133

[ccrowhurstram]

Feature sounds very interesting... can you make sure it works with #365 when it lands (not sure if you need to anything, just a "heads up")

[Steven-Evans]

I gave it a quick glance and it seems like it shouldn't be a problem. packages and packageGraph are still defined during runPreparations.

As per my comment on the PR, I'm going to create a new PR to remove the --quiet flag since @thejameskyle suggested the intent to remove the lerna version line of output altogether, which is somewhat unrelated to this.

Edit: new PR #384

[jamiebuilds]

Moving to #384

[lock]

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