From 0f36eed1ead2290b40137d5762400f5caf374e30 Mon Sep 17 00:00:00 2001
From: Eric Rodrigues Pires <eric@eric.dev.br>
Date: Thu, 7 May 2026 23:38:00 -0300
Subject: [PATCH] Allow overriding npins inputs in flake

---
 .config/nextest.toml |  3 +++
 flake.lock           | 44 +++++++++++++++++++++++++++++++++++++++++++-
 flake.nix            | 40 ++++++++++++++++++++++++++++++++++++----
 nix/default.nix      |  2 +-
 nix/dummy.nix        |  1 +
 5 files changed, 84 insertions(+), 6 deletions(-)
 create mode 100644 nix/dummy.nix

diff --git a/.config/nextest.toml b/.config/nextest.toml
index 1eee173..544d315 100644
--- a/.config/nextest.toml
+++ b/.config/nextest.toml
@@ -7,3 +7,6 @@ test-group = 'integration'
 
 [profile.nix]
 default-filter = 'not test(/^login/) - binary_id(sandhole::integration)'
+
+[profile.no-network]
+default-filter = 'not test(/^login/) - binary_id(sandhole::integration)'
diff --git a/flake.lock b/flake.lock
index 5999137..97d8e91 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,6 +1,48 @@
 {
   "nodes": {
-    "root": {}
+    "crane": {
+      "flake": false,
+      "locked": {
+        "path": "./nix/dummy.nix",
+        "type": "path"
+      },
+      "original": {
+        "path": "./nix/dummy.nix",
+        "type": "path"
+      },
+      "parent": []
+    },
+    "nixpkgs": {
+      "flake": false,
+      "locked": {
+        "path": "./nix/dummy.nix",
+        "type": "path"
+      },
+      "original": {
+        "path": "./nix/dummy.nix",
+        "type": "path"
+      },
+      "parent": []
+    },
+    "root": {
+      "inputs": {
+        "crane": "crane",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "flake": false,
+      "locked": {
+        "path": "./nix/dummy.nix",
+        "type": "path"
+      },
+      "original": {
+        "path": "./nix/dummy.nix",
+        "type": "path"
+      },
+      "parent": []
+    }
   },
   "root": "root",
   "version": 7
diff --git a/flake.nix b/flake.nix
index b2b3c75..faa06f7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,10 +1,23 @@
 {
   description = "Expose HTTP/SSH/TCP services through SSH port forwarding";
 
-  inputs = { };
+  inputs = {
+    crane = {
+      url = "path:./nix/dummy.nix";
+      flake = false;
+    };
+    nixpkgs = {
+      url = "path:./nix/dummy.nix";
+      flake = false;
+    };
+    rust-overlay = {
+      url = "path:./nix/dummy.nix";
+      flake = false;
+    };
+  };
 
   outputs =
-    { self, ... }:
+    { self, ... }@inputs:
     let
       systems = [
         "x86_64-linux"
@@ -55,12 +68,31 @@
     // eachSystem (
       system:
       let
-        inherit (import ./nix { inherit system; })
-          pkgs
+        sources = import ./npins;
+        importInput =
+          attr:
+          if import inputs.${attr} ? __isDummyInput then import sources.${attr} else import inputs.${attr};
+        pkgs = importInput "nixpkgs" {
+          inherit system;
+          overlays = [ (importInput "rust-overlay") ];
+        };
+        craneLib = (importInput "crane" { inherit pkgs; }).overrideToolchain (
+          p: p.rust-bin.stable.latest.default
+        );
+
+        inherit
+          (import ./nix {
+            inherit
+              system
+              pkgs
+              craneLib
+              ;
+          })
           packages
           checks
           shell
           ;
+
         inherit (pkgs) lib;
       in
       {
diff --git a/nix/default.nix b/nix/default.nix
index 5a97699..c279da5 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -45,7 +45,7 @@ let
   );
 in
 {
-  inherit pkgs sandhole;
+  inherit sandhole;
 
   packages = import ./packages.nix {
     inherit
diff --git a/nix/dummy.nix b/nix/dummy.nix
new file mode 100644
index 0000000..5a25a45
--- /dev/null
+++ b/nix/dummy.nix
@@ -0,0 +1 @@
+{ __isDummyInput = true; }
-- 
2.51.2