replacement/default.nix at master · siriobalmelli/replacement · GitHub

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{
  nixpkgs ? import (builtins.fetchGit {
    url = "https://siriobalmelli@github.com/siriobalmelli-foss/nixpkgs.git";
    ref = "master";
    }) { }
}:

with nixpkgs;
with python3Packages;

if lib.inNixShell then
  mkShell {
    buildInputs = [
      # no system dependencies
    ] ++ [

      # use venv to handle all Python deps for sane development
      # make SURE nix-shell is run with --pure to avoid seeing system python things
      python
      venvShellHook
    ];

    venvDir = "venv";

    postShellHook = ''
      export SOURCE_DATE_EPOCH=315532800  # fix ZIP does not support timestamps before 1980
      alias pip="python -m pip"
    '';
  }

else
  buildPythonApplication rec {
    name = "replacement";
    src = ./.;

    propagatedBuildInputs = [
      ruamel_yaml
    ];

    checkInputs = [
      pytest
      sh
    ];

    doCheck = true;
    checkPhase = ''
      pytest
    '';
  }