Require explicit importing of flake-root (#12)

To avoid import conflicts.

Author: srid

README.md

@@ -38,7 +38,7 @@ Once you are in the dev shell, you can run any of these scripts prefixed with th
 
 The scripts will be run *always* from the project root directory[^flake-root] regardless of the current working directory.
 
-[^flake-root]: "Project root directory" is determined by traversing the directory up until we find the unique file that exists only at the root. This unique file is `flake.nix` by default, which can be overridden using the [flake-root](https://github.com/srid/flake-root) module; i.e.; `flake-root.projectRootFile = "stack.yaml";`
+[^flake-root]: "Project root directory" is determined by traversing the directory up until we find the unique file that exists only at the root. This unique file is `flake.nix` by default, which can be overridden using the [flake-root](https://github.com/srid/flake-root) module that this module mandatorily requires; i.e.; `flake-root.projectRootFile = "stack.yaml";`
 
 ## Examples
 

example/flake.lock

@@ -2,12 +2,14 @@
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
     flake-parts.url = "github:hercules-ci/flake-parts";
-    mission-control.url = "github:Platonic-Systems/mission-control";
+    flake-root.url = "github:srid/flake-root";
+    mission-control.url = "github:Platonic-Systems/mission-control/explicit-flake-root";
   };
   outputs = inputs@{ self, nixpkgs, flake-parts, ... }:
     flake-parts.lib.mkFlake { inherit inputs; } {
       systems = nixpkgs.lib.systems.flakeExposed;
       imports = [
+        inputs.flake-root.flakeModule
         inputs.mission-control.flakeModule
       ];
       perSystem = { pkgs, lib, config, ... }: {

example/flake.nix

@@ -2,10 +2,9 @@
   description = "A `flake-parts` module for your Nix devshell scripts";
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
-    flake-root.url = "github:srid/flake-root";
   };
-  outputs = { self, nixpkgs, flake-root, ... }: {
-    flakeModule = import ./nix/flake-module.nix { inherit flake-root; };
+  outputs = { self, nixpkgs, ... }: {
+    flakeModule = ./nix/flake-module.nix;
     templates.default.path = (nixpkgs.lib.cleanSourceWith {
       src = ./example;
       filter = path: type: baseNameOf path == "flake.nix";

flake.lock

@@ -1,4 +1,3 @@
-{ flake-root }:
 { self, lib, flake-parts-lib, ... }:
 let
   inherit (flake-parts-lib)
@@ -8,10 +7,6 @@ let
     types;
 in
 {
-  _file = __curPos.file;
-  imports = [
-    flake-root.flakeModule
-  ];
   options = {
     perSystem = mkPerSystemOption
       ({ config, self', inputs', pkgs, system, ... }: