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Self-executing scripts don't pipe plan construction errors from runhaskell to terminal #3942

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adlaika opened this issue Mar 23, 2018 · 1 comment

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@adlaika
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@adlaika adlaika commented Mar 23, 2018

General summary/comments

Self-executing scripts don't pipe plan construction errors from runhaskell to terminal.

Steps to reproduce

Given a stack.yaml that uses a package that relies on another package from extra-deps:

resolver: lts-8.22

packages:
- location:
    git: git@github.com:cjdev/cloudseeder.git
    commit: c7068f25c41bcc0b4bdfc9b38ee5b05b5caefae5
  extra-dep: true

extra-deps:
- optparse-applicative-0.14.0.0

flags: {}

extra-package-dbs: []

...and a self-executing script that references that package, called script.hs:

#!/usr/bin/env stack
-- stack runhaskell --package cloud-seeder

main :: IO ()
main = putStrLn "yo"

Expected

With the - optparse-applicative-0.14.0.0 line in place, running gives the expected result:

$ ./script
yo
$ stack runhaskell --package cloud-seeder ./script.hs
yo

Actual

However, if we remove - optparse-applicative-0.14.0.0, only the direct call to runhaskell returns useful error information:

$ ./script
Plan construction failed.
$ stack runhaskell --package cloud-seeder ./script.hs

Error: While constructing the build plan, the following exceptions were encountered:

In the dependencies for cloud-seeder-0.1.0.0:
    optparse-applicative-0.13.2.0 from stack configuration does not match >=0.14.0.0 (latest matching version is 0.14.2.0)
needed since cloud-seeder is a build target.

Some potential ways to resolve this:

  * Recommended action: try adding the following to your extra-deps in /Users/marnold/Code/lambda/runhaskell-test/stack.yaml:

- optparse-applicative-0.14.2.0

  * Set 'allow-newer: true' to ignore all version constraints and build anyway.

  * You may also want to try using the 'stack solver' command.

Plan construction failed.

Stack version

$ stack --version
Version 1.6.5, Git revision 24ab0d6ff07f28276e082c3ce74dfdeb1a2ca9e9 (5514 commits) x86_64 hpack-0.20.0

Method of installation

  • Official binary, downloaded from stackage.org or fpcomplete's package repository
@SkyWriter
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@SkyWriter SkyWriter commented Jun 24, 2018

#4114 addresses this

isovector added a commit that referenced this issue Jun 24, 2018
Fixes self-executing scripts not piping plan construction errors from runhaskell to terminal, issue #3942
@dbaynard dbaynard closed this Jun 24, 2018
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