Odd package-id not satisfied for module when testing

[Galder Zamarreño]

Earlier today I was trying to run `stack test` in one of my projects and I kept getting this error:

hangman-0.1.0.0: build (exe + test)

Preprocessing executable 'hangman' for hangman-0.1.0.0...

Preprocessing test suite 'tests' for hangman-0.1.0.0...

<command line>: cannot satisfy -package-id hangman-0.1.0.0-3msiFXAP8SrGLvb69w1t6p

    (use -v for more information)

Progress: 11/12

--  While building package hangman-0.1.0.0 using:

      /Users/g/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_mPHDZzAJ_1.24.2.0_ghc-8.0.2 --builddir=.stack-work/dist/x86_64-osx/Cabal-1.24.2.0 build exe:hangman test:tests --ghc-options " -ddump-hi -ddump-to-file"

    Process exited with code: ExitFailure 1

`stack build` was working fine:

hangman-0.1.0.0: configure (exe)

Configuring hangman-0.1.0.0...

hangman-0.1.0.0: build (exe)

Preprocessing executable 'hangman' for hangman-0.1.0.0...

[1 of 1] Compiling Main             ( src/Main.hs, .stack-work/dist/x86_64-osx/Cabal-1.24.2.0/build/hangman/hangman-tmp/Main.o )

Linking .stack-work/dist/x86_64-osx/Cabal-1.24.2.0/build/hangman/hangman ...

hangman-0.1.0.0: copy/register

Installing executable(s) in

/Users/g/0/haskell/haskell-sandbox/haskellbook/hangman-ch13.hb/.stack-work/install/x86_64-osx/lts-8.0/8.0.2/bin

What does that `3msiFXAP8SrGLvb69w1t6p` mean at the end of the package?

Cheers,

Galder

[Michael Snoyman]

I think the issue here is that:

* Your hangman package does not define a library stanza

* But your test-suite depends on the hangman library

Try removing hangman from build-depends.

The weird string at the end is (I believe) a package key. Every package gets such an arbitrary string (based on its dependencies). The reasons for its existence, and exactly how it's different from package IDs and package identifiers, is a long topic you're probably not interested in :). If you are, I believe the GHC user manual covers these topics.

--
You received this message because you are subscribed to the Google Groups "haskell-stack" group.
To unsubscribe from this group and stop receiving emails from it, send an email to haskell-stack+unsubscribe@googlegroups.com.
To post to this group, send email to haskel...@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/haskell-stack/277bdd66-579f-49a8-b1f9-dcb9928a147a%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.