add dev flake pattern

This allows us to have dev dependencies which are not propagated to the user.

devFlake/private.narHash

@@ -0,0 +1 @@
+sha256-pFUj3KhQ4FkzZT19t+FHBru8u8Lspax0rS2cv7nXIgM=

devFlake/private/flake.lock

@@ -0,0 +1,165 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": [
+          "systems"
+        ]
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "ixx": {
+      "inputs": {
+        "flake-utils": [
+          "nuschtos",
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nuschtos",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1748294338,
+        "narHash": "sha256-FVO01jdmUNArzBS7NmaktLdGA5qA3lUMJ4B7a05Iynw=",
+        "owner": "NuschtOS",
+        "repo": "ixx",
+        "rev": "cc5f390f7caf265461d4aab37e98d2292ebbdb85",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NuschtOS",
+        "ref": "v0.0.8",
+        "repo": "ixx",
+        "type": "github"
+      }
+    },
+    "nixpkgs-dev": {
+      "locked": {
+        "lastModified": 1751867001,
+        "narHash": "sha256-3I49W0s3WVEDBO5S1RxYr74E2LLG7X8Wuvj9AmU0RDk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "73feb5e20ec7259e280ca6f424ba165059b3bb6b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable-small",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nuschtos": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "ixx": "ixx",
+        "nixpkgs": [
+          "nixpkgs-dev"
+        ]
+      },
+      "locked": {
+        "lastModified": 1749730855,
+        "narHash": "sha256-L3x2nSlFkXkM6tQPLJP3oCBMIsRifhIDPMQQdHO5xWo=",
+        "owner": "NuschtOS",
+        "repo": "search",
+        "rev": "8dfe5879dd009ff4742b668d9c699bc4b9761742",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NuschtOS",
+        "repo": "search",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs-dev": "nixpkgs-dev",
+        "nuschtos": "nuschtos",
+        "systems": "systems_2",
+        "treefmt-nix": "treefmt-nix"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": []
+      },
+      "locked": {
+        "lastModified": 1750931469,
+        "narHash": "sha256-0IEdQB1nS+uViQw4k3VGUXntjkDp7aAlqcxdewb/hAc=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "ac8e6f32e11e9c7f153823abc3ab007f2a65d3e1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

devFlake/private/flake.nix

@@ -0,0 +1,19 @@
+{
+  description = "private dev inputs";
+
+  # Dev dependencies
+  inputs.nixpkgs-dev.url = "github:NixOS/nixpkgs/nixos-unstable-small";
+
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs.flake-utils.inputs.systems.follows = "systems";
+
+  inputs.nuschtos.url = "github:NuschtOS/search";
+  inputs.nuschtos.inputs.nixpkgs.follows = "nixpkgs-dev";
+
+  inputs.treefmt-nix.url = "github:numtide/treefmt-nix";
+  inputs.treefmt-nix.inputs.nixpkgs.follows = "";
+
+  inputs.systems.url = "github:nix-systems/default";
+
+  outputs = _: { };
+}

devFlake/update-private-narhash

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# Used to update the private dev flake hash reference.
+set -euo pipefail
+
+cd "$(dirname "$0")"
+
+echo "Updating $PWD/private.narHash" >&2
+
+nix --extra-experimental-features 'flakes nix-command' flake lock ./private
+nix --extra-experimental-features 'flakes nix-command' hash path ./private >./private.narHash
+
+echo OK

docs/nix/options/flake-module.nix

@@ -1,9 +1,15 @@
-{ self, config, ... }:
+{
+  self,
+  config,
+  inputs,
+  privateInputs ? { },
+  ...
+}:
 {
   perSystem =
     {
-      inputs',
       lib,
+      pkgs,
       ...
     }:
     let
@@ -157,11 +163,16 @@
       };
     in
     {
-      packages.docs-options = inputs'.nuschtos.packages.mkMultiSearch {
+      packages = lib.optionalAttrs ((privateInputs ? nuschtos) || (inputs ? nuschtos)) {
-        inherit baseHref;
+        docs-options =
-        title = "Clan Options";
+          (privateInputs.nuschtos or inputs.nuschtos)
-        # scopes = mapAttrsToList mkScope serviceModules;
+          .packages.${pkgs.stdenv.hostPlatform.system}.mkMultiSearch
-        scopes = [ (mkScope "Clan Inventory" serviceModules) ];
+            {
+              inherit baseHref;
+              title = "Clan Options";
+              # scopes = mapAttrsToList mkScope serviceModules;
+              scopes = [ (mkScope "Clan Inventory" serviceModules) ];
+            };
       };
     };
 }

flake.lock

@@ -67,52 +67,6 @@
         "type": "github"
       }
     },
-    "flake-utils": {
-      "inputs": {
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "ixx": {
-      "inputs": {
-        "flake-utils": [
-          "nuschtos",
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "nuschtos",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1748294338,
-        "narHash": "sha256-FVO01jdmUNArzBS7NmaktLdGA5qA3lUMJ4B7a05Iynw=",
-        "owner": "NuschtOS",
-        "repo": "ixx",
-        "rev": "cc5f390f7caf265461d4aab37e98d2292ebbdb85",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NuschtOS",
-        "ref": "v0.0.8",
-        "repo": "ixx",
-        "type": "github"
-      }
-    },
     "nix-darwin": {
       "inputs": {
         "nixpkgs": [
@@ -174,41 +128,15 @@
         "url": "https://nixos.org/channels/nixpkgs-unstable/nixexprs.tar.xz"
       }
     },
-    "nuschtos": {
-      "inputs": {
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "ixx": "ixx",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1749730855,
-        "narHash": "sha256-L3x2nSlFkXkM6tQPLJP3oCBMIsRifhIDPMQQdHO5xWo=",
-        "owner": "NuschtOS",
-        "repo": "search",
-        "rev": "8dfe5879dd009ff4742b668d9c699bc4b9761742",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NuschtOS",
-        "repo": "search",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "data-mesher": "data-mesher",
         "disko": "disko",
         "flake-parts": "flake-parts",
-        "flake-utils": "flake-utils",
         "nix-darwin": "nix-darwin",
         "nix-select": "nix-select",
         "nixos-facter-modules": "nixos-facter-modules",
         "nixpkgs": "nixpkgs",
-        "nuschtos": "nuschtos",
         "sops-nix": "sops-nix",
         "systems": "systems",
         "treefmt-nix": "treefmt-nix"

flake.nix

@@ -35,19 +35,13 @@
       };
     };
 
-    # dependencies needed for nuschtos
-    flake-utils.url = "github:numtide/flake-utils";
-    flake-utils.inputs.systems.follows = "systems";
-    nuschtos.url = "github:NuschtOS/search";
-    nuschtos.inputs.nixpkgs.follows = "nixpkgs";
-    nuschtos.inputs.flake-utils.follows = "flake-utils";
   };
 
   outputs =
     inputs@{
-      flake-parts,
       nixpkgs,
       systems,
+      flake-parts,
       ...
     }:
     let
@@ -56,10 +50,29 @@
         optional
         pathExists
         ;
+
+      loadDevFlake =
+        path:
+        let
+          flakeHash = nixpkgs.lib.fileContents "${toString path}.narHash";
+          flakePath = "path:${toString path}?narHash=${flakeHash}";
+        in
+        builtins.getFlake (builtins.unsafeDiscardStringContext flakePath);
+
+      devFlake =
+        if pathExists ./devFlake/private && builtins ? getFlake then
+          loadDevFlake ./devFlake/private
+        else
+          null;
+
+      privateInputs = if devFlake != null then devFlake.inputs else { };
     in
     flake-parts.lib.mkFlake { inherit inputs; } (
       { ... }:
       {
+        _module.args = {
+          inherit privateInputs;
+        };
         clan = {
           meta.name = "clan-core";
           inventory = {