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stack2nix: Convert stack.yaml files into Nix build instructions.

[ distribution, library, mit, nix, program ] [ Propose Tags ]

Convert stack.yaml files into Nix build instructions.

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Versions [RSS] 0.1.1.0, 0.1.2.0, 0.1.3.0, 0.2, 0.2.1, 0.2.2, 0.2.3
Change log ChangeLog.md
Dependencies async (>=2.1.1.1 && <2.3), base (>=4.9 && <4.13), bytestring, Cabal (>=2.0.0.2 && <2.5), cabal2nix (>=2.10), containers (>=0.5.7.1 && <0.7), directory (>=1.3 && <1.4), distribution-nixpkgs (>=1.1 && <1.3), filepath (>=1.4.1.1 && <1.5), hackage-db, language-nix, lens, optparse-applicative (>=0.13.2 && <0.15), path, pretty, process (>=1.4.3 && <1.7), regex-pcre (>=0.94.4 && <0.95), SafeSemaphore (>=0.10.1 && <0.11), stack (>=1.9), stack2nix, temporary (>=1.2.0.4 && <1.4), text (>=1.2.2.1 && <1.3), time [details]
License MIT
Author IOHK DevOps
Maintainer stack2nix@iohk.io
Category Distribution, Nix
Source repo head: git clone https://github.com/input-output-hk/stack2nix.git
Uploaded by domenkozar at 2019-04-29T03:03:05Z
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Executables stack2nix
Downloads 4024 total (20 in the last 30 days)
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Status Docs available [build log]
Last success reported on 2019-04-29 [all 1 reports]

Readme for stack2nix-0.2.3

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stack2nix

Build Status Hackage

About

stack2nix automates conversion from Stack configuration file to Nix expressions. The purpose is to map stack.yaml one-to-one into Nix expressions.

stack2nix high-level workflow:

  • Generate stackage snapshot to determine complete fixed version list of packages based on resolver
  • apply any additional configuration (local packages, extra dependencies, etc) from stack.yaml
  • generate complete list of dependencies to Nix expressions, replacing upstream hackage-packages.nix

Installation

There are two options. The first - using Nix is recommended. If there are difficulties please file an issue.

  1. Install Nix.
  2. Clone this repo.
  3. Run nix-build to build.

Stack + Nix

  1. Install Nix.
  2. Clone this repo.
  3. Run stack install --nix to install.

Usage

Nix expressions generated by stack2nix require NixOS 17.09 or later.

Local Packages

Sometimes it's convenient to build local Haskell packages. Assuming the current directory is a locally maintained fork of Pandoc:

    $ stack2nix . > default.nix
    $ nix-build -A pandoc

Remote Packages

Stack2nix can generate a nix expressions for Haskell packages hosted in git repositories.

    $ stack2nix --revision 242e2a064f6a32b22e1599bbfe72e64d7b6203b8 https://github.com/jgm/pandoc.git > demo.nix
    $ nix-build -A pandoc demo.nix

Testing

Run ./scripts/travis.sh to build and test.