devenv.lock

{
  "nodes": {
    "devenv": {
      "locked": {
        "dir": "src/modules",
        "lastModified": 1682353433,
        "narHash": "sha256-pTz7KZ7RlWIP9EiTdUIHzOuozGoga0FIFUjm0rtQP60=",
        "owner": "cachix",
        "repo": "devenv",
        "rev": "b454e31b73e1ce987e721e0a7a43044253d6b91a",
        "type": "github"
      },
      "original": {
        "dir": "src/modules",
        "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": [
          "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"
      }
    },
    "nixpkgs": {
      "locked": {
        "lastModified": 1682109806,
        "narHash": "sha256-d9g7RKNShMLboTWwukM+RObDWWpHKaqTYXB48clBWXI=",
        "owner": "NixOS",
        "repo": "nixpkgs",
        "rev": "2362848adf8def2866fabbffc50462e929d7fffb",
        "type": "github"
      },
      "original": {
        "owner": "NixOS",
        "ref": "nixpkgs-unstable",
        "repo": "nixpkgs",
        "type": "github"
      }
    },
    "nixpkgs-stable": {
      "locked": {
        "lastModified": 1678872516,
        "narHash": "sha256-/E1YwtMtFAu2KUQKV/1+KFuReYPANM2Rzehk84VxVoc=",
        "owner": "NixOS",
        "repo": "nixpkgs",
        "rev": "9b8e5abb18324c7fe9f07cb100c3cd4a29cda8b8",
        "type": "github"
      },
      "original": {
        "owner": "NixOS",
        "ref": "nixos-22.11",
        "repo": "nixpkgs",
        "type": "github"
      }
    },
    "pre-commit-hooks": {
      "inputs": {
        "flake-compat": "flake-compat",
        "flake-utils": "flake-utils",
        "gitignore": "gitignore",
        "nixpkgs": [
          "nixpkgs"
        ],
        "nixpkgs-stable": "nixpkgs-stable"
      },
      "locked": {
        "lastModified": 1682326782,
        "narHash": "sha256-wj7p7iEwQXAfTZ6QokAe0dMbpQk5u7ympDnaiPvbv1w=",
        "owner": "cachix",
        "repo": "pre-commit-hooks.nix",
        "rev": "56cd2d47a9c937be98ab225cf014b450f1533cdb",
        "type": "github"
      },
      "original": {
        "owner": "cachix",
        "repo": "pre-commit-hooks.nix",
        "type": "github"
      }
    },
    "root": {
      "inputs": {
        "devenv": "devenv",
        "nixpkgs": "nixpkgs",
        "pre-commit-hooks": "pre-commit-hooks"
      }
    }
  },
  "root": "root",
  "version": 7
}

devenv.nix

{pkgs, ...}: {
  # https://devenv.sh/basics/
  env.GREET = "devenv";

  # https://devenv.sh/packages/
  packages = with pkgs; [git gcc];

  # https://devenv.sh/scripts/
  scripts.hello.exec = "echo hello from $GREET";

  enterShell = ''
    hello
    git --version
  '';
  languages.python = {
      enable = true;
      venv.enable = true;
  };

  # https://devenv.sh/pre-commit-hooks/
  pre-commit.hooks = {
    shellcheck.enable = true;
    black.enable = true;
  };

  services.postgres = {
    enable = true;
    initialDatabases = [
      {
        name = "test";
      }
    ];
  };
}

devenv.yaml

inputs:
  nixpkgs:
    url: github:NixOS/nixpkgs/nixpkgs-unstable