Use import-tree to import modules from a directory

nix/flakes/import-tree/.envrc

@@ -0,0 +1 @@
+use flake

nix/flakes/import-tree/flake.lock

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+{
+  "nodes": {
+    "devshell": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1741473158,
+        "narHash": "sha256-kWNaq6wQUbUMlPgw8Y+9/9wP0F8SHkjy24/mN3UAppg=",
+        "owner": "numtide",
+        "repo": "devshell",
+        "rev": "7c9e793ebe66bcba8292989a68c0419b737a22a0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "devshell",
+        "type": "github"
+      }
+    },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1754487366,
+        "narHash": "sha256-pHYj8gUBapuUzKV/kN/tR3Zvqc7o6gdFB9XKXIp1SQ8=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "af66ad14b28a127c5c0f3bbb298218fc63528a18",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "import-tree": {
+      "locked": {
+        "lastModified": 1752730890,
+        "narHash": "sha256-GES8fapSLGz36MMPRVNkSUWXUTtqvGQNXHjRmRLfJUY=",
+        "owner": "vic",
+        "repo": "import-tree",
+        "rev": "6ebb8cb87987b20264c09296166543fd3761d274",
+        "type": "github"
+      },
+      "original": {
+        "owner": "vic",
+        "repo": "import-tree",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1754214453,
+        "narHash": "sha256-Q/I2xJn/j1wpkGhWkQnm20nShYnG7TI99foDBpXm1SY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "5b09dc45f24cf32316283e62aec81ffee3c3e376",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1753579242,
+        "narHash": "sha256-zvaMGVn14/Zz8hnp4VWT9xVnhc8vuL3TStRqwk22biA=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "0f36c44e01a6129be94e3ade315a5883f0228a6e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devshell": "devshell",
+        "flake-parts": "flake-parts",
+        "import-tree": "import-tree",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

nix/flakes/import-tree/flake.nix

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+{
+  inputs = {
+    devshell.inputs.nixpkgs.follows = "nixpkgs";
+    devshell.url = "github:numtide/devshell";
+
+    flake-parts.url = "github:hercules-ci/flake-parts";
+
+    import-tree.url = "github:vic/import-tree";
+
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs =
+    inputs:
+    inputs.flake-parts.lib.mkFlake { inherit inputs; } {
+      imports = [
+        (inputs.import-tree ./modules)
+      ];
+    };
+}

nix/flakes/import-tree/modules/dev-shell.nix

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+{ inputs, ... }:
+
+{
+  imports = [ inputs.devshell.flakeModule ];
+
+  perSystem =
+    { pkgs, ... }:
+    {
+      devshells.default.packages = with pkgs; [
+        go
+        php
+        phpPackages.composer
+        tailwindcss
+      ];
+    };
+}

nix/flakes/import-tree/modules/systems.nix

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+{
+  systems = [ "x86_64-linux" ];
+}