https://github.com/aycanirican/nixit

Build my haskell project using nix
https://github.com/aycanirican/nixit

cabal cabal2nix haskell hpack nix stack

Last synced: 18 days ago
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Build my haskell project using nix

• Host: GitHub
• URL: https://github.com/aycanirican/nixit
• Owner: aycanirican
• License: mit
• Created: 2019-06-27T05:47:37.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2019-12-01T06:53:57.000Z (about 5 years ago)
• Last Synced: 2024-11-19T04:00:27.360Z (3 months ago)
• Topics: cabal, cabal2nix, haskell, hpack, nix, stack
• Language: Nix
• Size: 9.77 KB
• Stars: 2
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# nixit

Build my haskell executable using nix.

## Usage

  - You are in your project's directory

    ```

      cd $TMP

      mkdir project1; cd project1

    ```

    

  - You have a proper `Main.hs` file like this:

    ```

      module Main where

      

      main :: IO ()

      main = print "5 more minutes...Done."

    ```

  - Optionally you write all haskell dependencies (one for each line)

    in a file `.nixit.deps` like:

    ```

      aeson

      servant-client

      lens

    ```

    

Then you can have your executable with:

```

nix build -f https://github.com/aycanirican/nixit/archive/master.tar.gz \

  --arg    src  "$PWD" \

  --argstr deps "$(cat .nixit.deps | xargs)"

```

And also you can have a ghci session with:

```

  nix-shell -p "pkgs.haskellPackages.ghcWithPackages (p: with p; [ $(cat .nixit.deps | xargs) ])" \

    --command "ghci Main.hs"

```

Or if you want to just execute ghcid and watch it recompiling your project:

```

nix-shell -p "pkgs.haskellPackages.ghcWithPackages (p: with p; [ $(cat .nixit.deps | xargs) ])" \

  -p haskellPackages.ghcid \

  --command "ghcid --command \"ghci Main.hs\""

```

Or you may want to stick on a release:

```

NIX_PATH=nixpkgs=https://nixos.org/channels/nixos-19.09/nixexprs.tar.xz \

  nix-shell -p "pkgs.haskellPackages.ghcWithPackages (p: with p; [ $(cat .nixit.deps | xargs) ])" --command "ghci Main.hs"

```