flake.lock

{
  "nodes": {
    "devenv": {
      "inputs": {
        "flake-compat": "flake-compat",
        "nix": "nix",
        "nixpkgs": "nixpkgs",
        "pre-commit-hooks": "pre-commit-hooks"
      },
      "locked": {
        "lastModified": 1676514437,
        "narHash": "sha256-yZ9olfUZ/yWXpFuLoxWQYQF1nqoU9tT1WGXnOY1ciqM=",
        "owner": "cachix",
        "repo": "devenv",
        "rev": "584d63e93a841148f75b3b9ec2cfed2ed08c760f",
        "type": "github"
      },
      "original": {
        "owner": "cachix",
        "repo": "devenv",
        "type": "github"
      }
    },
    "flake-compat": {
      "flake": false,
      "locked": {
        "lastModified": 1673956053,
        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
        "owner": "edolstra",
        "repo": "flake-compat",
        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
        "type": "github"
      },
      "original": {
        "owner": "edolstra",
        "repo": "flake-compat",
        "type": "github"
      }
    },
    "flake-utils": {
      "locked": {
        "lastModified": 1667395993,
        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
        "owner": "numtide",
        "repo": "flake-utils",
        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
        "type": "github"
      },
      "original": {
        "owner": "numtide",
        "repo": "flake-utils",
        "type": "github"
      }
    },
    "gitignore": {
      "inputs": {
        "nixpkgs": [
          "devenv",
          "pre-commit-hooks",
          "nixpkgs"
        ]
      },
      "locked": {
        "lastModified": 1660459072,
        "narHash": "sha256-8DFJjXG8zqoONA1vXtgeKXy68KdJL5UaXR8NtVMUbx8=",
        "owner": "hercules-ci",
        "repo": "gitignore.nix",
        "rev": "a20de23b925fd8264fd7fad6454652e142fd7f73",
        "type": "github"
      },
      "original": {
        "owner": "hercules-ci",
        "repo": "gitignore.nix",
        "type": "github"
      }
    },
    "lowdown-src": {
      "flake": false,
      "locked": {
        "lastModified": 1633514407,
        "narHash": "sha256-Dw32tiMjdK9t3ETl5fzGrutQTzh2rufgZV4A/BbxuD4=",
        "owner": "kristapsdz",
        "repo": "lowdown",
        "rev": "d2c2b44ff6c27b936ec27358a2653caaef8f73b8",
        "type": "github"
      },
      "original": {
        "owner": "kristapsdz",
        "repo": "lowdown",
        "type": "github"
      }
    },
    "nix": {
      "inputs": {
        "lowdown-src": "lowdown-src",
        "nixpkgs": [
          "devenv",
          "nixpkgs"
        ],
        "nixpkgs-regression": "nixpkgs-regression"
      },
      "locked": {
        "lastModified": 1674055287,
        "narHash": "sha256-WsF7VKn1ReGtDQbnB9dVUhWPAy/gR3zMBfnEnWs1gmo=",
        "owner": "domenkozar",
        "repo": "nix",
        "rev": "f1e23ed9b1acb28d6f8d226f69583b73df72bd02",
        "type": "github"
      },
      "original": {
        "owner": "domenkozar",
        "ref": "relaxed-flakes",
        "repo": "nix",
        "type": "github"
      }
    },
    "nixpkgs": {
      "locked": {
        "lastModified": 1675249806,
        "narHash": "sha256-u8Rcqekusl3pMZm68hZqr6zozI8Ug5IxqOiqDLAlu1k=",
        "owner": "NixOS",
        "repo": "nixpkgs",
        "rev": "79feedf38536de2a27d13fe2eaf200a9c05193ba",
        "type": "github"
      },
      "original": {
        "owner": "NixOS",
        "ref": "nixpkgs-unstable",
        "repo": "nixpkgs",
        "type": "github"
      }
    },
    "nixpkgs-regression": {
      "locked": {
        "lastModified": 1643052045,
        "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
        "owner": "NixOS",
        "repo": "nixpkgs",
        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
        "type": "github"
      },
      "original": {
        "owner": "NixOS",
        "repo": "nixpkgs",
        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
        "type": "github"
      }
    },
    "nixpkgs-stable": {
      "locked": {
        "lastModified": 1673800717,
        "narHash": "sha256-SFHraUqLSu5cC6IxTprex/nTsI81ZQAtDvlBvGDWfnA=",
        "owner": "NixOS",
        "repo": "nixpkgs",
        "rev": "2f9fd351ec37f5d479556cd48be4ca340da59b8f",
        "type": "github"
      },
      "original": {
        "owner": "NixOS",
        "ref": "nixos-22.11",
        "repo": "nixpkgs",
        "type": "github"
      }
    },
    "nixpkgs_2": {
      "locked": {
        "lastModified": 0,
        "narHash": "sha256-Nfeua9Ua/dGHOQpzOjLtkyMyW/ysQCvZJ9Dd74QQSNk=",
        "path": "/nix/store/hhb905xbnph362h7pryzr16m1nw007my-source",
        "type": "path"
      },
      "original": {
        "id": "nixpkgs",
        "type": "indirect"
      }
    },
    "pre-commit-hooks": {
      "inputs": {
        "flake-compat": [
          "devenv",
          "flake-compat"
        ],
        "flake-utils": "flake-utils",
        "gitignore": "gitignore",
        "nixpkgs": [
          "devenv",
          "nixpkgs"
        ],
        "nixpkgs-stable": "nixpkgs-stable"
      },
      "locked": {
        "lastModified": 1675337566,
        "narHash": "sha256-jmLBTQcs1jFOn8h1Q5b5XwPfYgFOtcZ3+mU9KvfC6Js=",
        "owner": "cachix",
        "repo": "pre-commit-hooks.nix",
        "rev": "5668d079583a5b594cb4e0cc0e6d84f1b93da7ae",
        "type": "github"
      },
      "original": {
        "owner": "cachix",
        "repo": "pre-commit-hooks.nix",
        "type": "github"
      }
    },
    "root": {
      "inputs": {
        "devenv": "devenv",
        "nixpkgs": "nixpkgs_2"
      }
    }
  },
  "root": "root",
  "version": 7
}

flake.nix

{
  inputs = {
    devenv.url = "github:cachix/devenv";
  };

  outputs = { self, nixpkgs, devenv, ... } @ inputs:
    let
      systems = [ "x86_64-linux" "i686-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
      forAllSystems = f: builtins.listToAttrs (map (name: { inherit name; value = f name; }) systems);
    in
    {
      devShells = forAllSystems
        (system:
          let
            pkgs = import nixpkgs {
              inherit system;
            };
          in
          {
            default = devenv.lib.mkShell {
              inherit inputs pkgs;
              modules = [
                {
                  languages.c.enable = true;
                  languages.swift.enable = true;
                }
              ];
            };
          });
    };
}

Makefile

all: test

test.c

int main() {
  return 0;
}