Confusing output for install sub-command

[pikeas]

• I am on the latest Poetry version.

• I have searched the issues of this repo and believe that this is not a duplicate.

• If an exception occurs when executing a command, I executed it again in debug mode (-vvv option).

• OS version and name: MacOS 10.15

• Poetry version: 1.0.0b2

• Link of a Gist with the contents of your pyproject.toml file: https://gist.github.com/pikeas/5c45fc9fd32353b5aee37163f95ef14d (reusing from unrelated issue Poetry uses incorrect Python #1470)

Issue

$ poetry install
Installing dependencies from lock file

Nothing to install or update

  - Installing foo (0.1.0)
$ poetry install -vvv
Using virtualenv: /Users/pikeas/Library/Caches/pypoetry/virtualenvs/foo-0mmka8-W-py3.7
Installing dependencies from lock file

Nothing to install or update

  - Skipping more-itertools (7.2.0) Already installed
  - Skipping zipp (0.6.0) Already installed
  - Skipping importlib-metadata (0.23) Already installed
  - Skipping atomicwrites (1.3.0) Already installed
  - Skipping attrs (19.3.0) Already installed
  - Skipping colorama (0.4.1) Not needed for the current environment
  - Skipping pluggy (0.13.0) Already installed
  - Skipping py (1.8.0) Already installed
  - Skipping six (1.12.0) Already installed
  - Skipping pytest (3.10.1) Already installed
  - Installing foo (0.1.0)

It is quite confusing to see a message saying "nothing to install" immediately followed by a message saying something is being installed!

[finswimmer]

I can think of why this is confusing. But the "Nothing to install" is the answer to "Installing dependencies". foo is not a dependency but the project package. So the wording is not wrong in my opinion.

One could make it more clearer by printing "No dependencies to install or update".

[github-actions]

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