[#67] Remove the `cmd` parameter from `Tool`, and `cliEnvSettingsRequiredTools` from `CliEnvSettings`

chshersh / iris

🌈 Haskell CLI Framework supporting Command Line Interface Guidelines

https://hackage.haskell.org/package/iris

Mozilla Public License 2.0

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Closed german1608 closed 1 year ago

german1608 commented 2 years ago

Resolves #67

Removes the cmd parameter from Tool (and consequently, ToolSelector)
Add the need function, which does pretty much this: https://github.com/chshersh/iris/blob/main/src/Iris/Env.hs#L123-L126

[ ] Documentation for changes provided/changed

(no docs added since I'm unsure of the final signature of need)
[x] Tests added
[ ] Updated CHANGELOG.md

(should I do this?)