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stack build --nix drops me into a shell #1778

zimbatm opened this issue Feb 11, 2016 · 2 comments

stack build --nix drops me into a shell #1778

zimbatm opened this issue Feb 11, 2016 · 2 comments


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zimbatm commented Feb 11, 2016


unfortunately it's not an open-source repo but I've got something weird going on an would like to describe it the best that I can:

I have a project with a stack.yml that looks like this:

- .
- location:
    commit: 9fabc6170a09e7a7aff5acaa8caffac0a30b90ed
    extra-dep: true
  - messagepack-0.5.1
  - cereal-
resolver: lts-4.1
$ stack --version
Version 1.0.2 x86_64
$ stack build --nix
< sleeps for a bit, no output >
[zimbatm@xps13:~/code/my/projet]$ <dropped into that nix-shell look-alike>
[zimbatm@xps13:~/code/my/projet]$ exit

Then I tried running it with strace -fF and I got a bunch of exit(1) at the end but it terminated. So I tried running cat | stack build --nix and got a proper Haskell compilation output with a complaint that zlib.h is not found.

I suspect that the command that you are running detected an interactive input and behaves differently in that case.

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YPares commented Feb 12, 2016

@zimbatm Is it possible you give us a minimal working example? We can't reproduce the bug here.

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zimbatm commented Feb 15, 2016

Closing as I am not able to reproduce the issue anymore. I think that it was an issue with nix which I upgraded since.

@zimbatm zimbatm closed this as completed Feb 15, 2016
YPares added a commit that referenced this issue Mar 4, 2016
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