René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"How to use hdevtools with nix? ","articleBody":"## Problem Statement \r\nI'm trying to use `hdevtools` in projects built with nix, and following along with the examples from [Miso](https://github.com/dmjio/miso).\r\n\r\n## Context\r\nBoth `ghc` and `cabal` are installed via `nix-env`. \r\n\r\n## Reproduction steps \r\nWhen I try to use `hdevtools` to check the file `Main.hs` in https://github.com/dmjio/miso/tree/master/sample-app\r\n\r\nAfter a successful invocation of `$ nix-build`, I execute \r\n\r\n```\r\nhdevtools check Main.hs -S -c --ghcjs -g -v\r\n```\r\n(The flags indicate: Not to use stack, pass the --ghcjs flag to cabal, and the --verbose flag to ghc. )\r\n\r\n\r\nExecution yields this error \r\n```\r\ncannot satisfy -package-id base-4.8.0.0-2AGdKkG2dNc5RNvA28euOd\r\n```\r\n\r\nI also get several warnings intermittently about \r\n```\r\npackage XYZ.0.0.0-someShaHash is unusable due to shadowed dependencies:\r\n      base-4.10.1.0\r\n```\r\n","author":{"url":"https://github.com/AesaKamar","@type":"Person","name":"AesaKamar"},"datePublished":"2018-07-13T13:42:07.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/82/hdevtools/issues/82"}