Use travis_retry with stack setup #330
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| @@ -45,7 +45,7 @@ jobs: | |||
| before_script: | |||
| - sudo apt-get install -y libgmp-dev | |||
| - curl -sSL https://get.haskellstack.org/ | sh | |||
| - stack setup | |||
| - travis_retry stack setup | |||
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From instruction: "If you are getting network timeouts when trying to download dependencies, either use the built in retry feature of your dependency manager or wrap your install commands in the travis_retry function."
My problem travis was with unfree directory to unpack (or install), it didn't concern network timeouts.
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Network timeouts are one usecase but I think it's not the only one.
The "unfree directory to unpack" thing is a Stack bug: commercialhaskell/stack#4888. It happens for a different reason – if you look closely at the error message, it doesn't actually say that it failed because the directory wasn't empty, it says that unpacking failed and now the directory may not be empty.
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So, travis_retry is here for what reason? Just workaround?
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