Fix build and upgrade deps

Gabriella439 / nix-diff

Explain why two Nix derivations differ

BSD 3-Clause "New" or "Revised" License

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Fix build and upgrade deps #26

Closed basvandijk closed 4 years ago

basvandijk commented 4 years ago

Derive MonadFail for Diff. Otherwise we hit the following on GHC-8.8.2:

src/Main.hs:186:13: error:
• No instance for (MonadFail Diff) arising from a use of ‘fail’

nix-diff.cabal: allow Diff-0.4 and optparse-applicative-0.15. I tested the build with the following configuration:

Configuring nix-diff-1.0.8...
Dependency Diff >=0.3 && <0.5: using Diff-0.4.0
Dependency optparse-applicative >=0.14.0.0 && <0.16: using optparse-applicative-0.15.1.0
...

Gabriella439 commented 4 years ago

@basvandijk: It looks like MonadFail needs to be explicitly imported (at least for earlier versions of GHC)

basvandijk commented 4 years ago

@Gabriel439 thanks, fixed.

Gabriella439 commented 4 years ago

@basvandijk: Thank you! 🙂

nh2 commented 4 years ago

Good!