use deployed environment for launching nixops4 from the panel

this still needs more work to clean up fully

flake.nix

@@ -1,6 +1,5 @@
 {
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11"; # consumed by flake-parts
     flake-parts.url = "github:hercules-ci/flake-parts";
     git-hooks.url = "github:cachix/git-hooks.nix";
     nixops4.follows = "nixops4-nixos/nixops4";
@@ -11,9 +10,11 @@
     inputs@{ flake-parts, ... }:
     let
       sources = import ./npins;
+      inherit (import "${flake-inputs}/lib.nix") import-flake;
       inherit (sources) git-hooks agenix;
+      nixpkgs = import-flake  sources.nixpkgs;
     in
-    flake-parts.lib.mkFlake { inherit inputs; } {
+    flake-parts.lib.mkFlake { inputs = inputs // { inherit nixpkgs; }; } {
       systems = [
         "x86_64-linux"
         "aarch64-linux"

npins/sources.json

@@ -25,6 +25,22 @@
       "url": null,
       "hash": "1w2gsy6qwxa5abkv8clb435237iifndcxq0s79wihqw11a5yb938"
     },
+    "flake-inputs": {
+      "type": "GitRelease",
+      "repository": {
+        "type": "GitHub",
+        "owner": "fricklerhandwerk",
+        "repo": "flake-inputs"
+      },
+      "pre_releases": false,
+      "version_upper_bound": null,
+      "release_prefix": null,
+      "submodules": false,
+      "version": "1.1",
+      "revision": "6461d0b56e790bf289af07c5e5261abbf4f536af",
+      "url": "https://api.github.com/repos/fricklerhandwerk/flake-inputs/tarball/1.1",
+      "hash": "03mwisvr1mc3nd33nvg4bvcyxjxpm4lwhwym39r0768cm1007ixl"
+    },
     "flake-parts": {
       "type": "Git",
       "repository": {

panel/env.nix

@@ -9,10 +9,4 @@ in
 {
   REPO_DIR = toString ../.;
   # explicitly use nix, as e.g. lix does not have configurable-impure-env
-  BIN_PATH = lib.makeBinPath [
-    # explicitly use nix, as e.g. lix does not have configurable-impure-env
-    pkgs.nix
-    # nixops error maybe due to our flake git hook: executing 'git': No such file or directory
-    pkgs.git
-  ];
 }

panel/nix/configuration.nix

@@ -178,10 +178,18 @@ in
       description = "${name} ASGI server";
       after = [ "network.target" ];
       wantedBy = [ "multi-user.target" ];
-      path = [
+      path =
+        [
           python-environment
           manage-service
-      ];
+        ]
+        ++ (
+          with pkgs;
+          lib.mkBinPath [
+            nix
+            git
+          ]
+        );
       preStart = ''
         # Auto-migrate on first run or if the package has changed
         versionFile="/var/lib/${name}/package-version"

panel/src/panel/settings.py

@@ -240,8 +240,6 @@ if user_settings_file is not None:
 #     The correct thing to do here would be using a helper function such as with `get_secret()` that will catch the exception and explain what's wrong and where to put the right values.
 #     Replacing the `USER_SETTINGS_FILE` mechanism following the comment there would probably be a good thing.
 
-# PATH to expose to launch button
-bin_path=env['BIN_PATH']
 # path of the root flake to trigger nixops from, see #94.
 # to deploy this should be specified, for dev just use a relative path.
 repo_dir = env["REPO_DIR"]

panel/src/panel/views.py

@@ -89,7 +89,7 @@ class DeploymentStatus(ConfigurationForm):
 
     def deployment(self, config: BaseModel):
         env = {
-            "PATH": settings.bin_path,
+            "PATH": os.environ.get("PATH"),
             # pass in form info to our deployment
             "DEPLOYMENT": config.json()
         }