horizon-gen-nix

horizon-gen-nix is an executable for generating nix expressions from horizon-spec dhall definitions.

Usage: horizon-gen-nix [--input-file INPUT_FILE]

Available options:
  -h,--help                Show this help text
  --input-file INPUT_FILE  The name of the input file.

Example input

The input file mentioned in the previous sections contains a dhall expression of the HorizonExport type (see horizon-spec).

Here is an example input file:

let H =
      https://gitlab.homotopic.tech/horizon/horizon-spec/-/raw/0.4.1/dhall/package.dhall
        sha256:9f2def711ea8796cdb24fa837da6681f9a7e752f87aeff08eee9b494c6e3374c

in  H.HorizonExport.MakeOverlay
      { packagesDir = "pkgs"
      , overlayFile = "overlay.nix"
      , overlay =
        [ H.callHackage "cabal2nix" "2.19.1"
        , H.callHackage "distribution-nixpkgs" "1.7.0.1"
        , H.callHackage "horizon-spec" "0.4.1"
        ]
      }

Building

nix build

Development

nix develop