"Right" way to update mix.lock after removing a dependency?

[hen...@nyh.se]

I removed a dependency from mix.exs and ran "mix deps.get" but the removed dependency was still listed in mix.lock.

I had(?) to do

    mix deps.unlock --all  # Make mix.lock empty

    mix deps.get  # Populate it again – in some cases with newer versions

for this to happen. And also perhaps

    mix deps.clean --unused

to remove the files from disk.

My mental model of this is based on Bundler for Ruby. With Bundler, the "bundle install" (or just "bundle") command will download any missing dependencies/versions AND get rid of removed ones.

What is the recommended way to work with mix in this regard? What should I do when I remove a dependency from mix.exs?

[Eric Meadows-Jönsson]

Run mix.deps.clean --unused --unlock. Mix will never remove dependencies from the lock unless explicitly told. This is because you can use subset of your dependencies depending on your code in mix.exs or dependening on the mix environment (dev, test, prod). It would be unexpected to automatically remove things from the lock because you changed environment.

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[José Valim]

Or "mix deps.unlock dep1 dep2" or "mix deps.unlock --unused". It is also worth mentioning that a dependency that was not cleaned will have files at deps/dep_name but it won't be part of the _build.

José Valim

www.plataformatec.com.br

Skype: jv.ptec

Founder and Director of R&D

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[hen...@nyh.se]

Eric, José, thank you!

That makes sense.