fix: update for nix 2.24 (#20)

* chore(nix): cleanup flake

* chore(nix): update flake.lock

Flake lock file updates:

• Updated input 'nix-filter':
    'github:numtide/nix-filter/3342559a24e85fc164b295c3444e8a139924675b?narHash=sha256-1Wvk8UP7PXdf8bCCaEoMnOT1qe5/Duqgj%2BrL8sRQsSM%3D' (2024-03-11)
  → 'github:numtide/nix-filter/776e68c1d014c3adde193a18db9d738458cd2ba4?narHash=sha256-SCHiL%2B1f7q9TAnxpasriP6fMarWE5H43t25F5/9e28I%3D' (2024-10-29)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/280db3decab4cbeb22a4599bd472229ab74d25e1?narHash=sha256-Jks8O42La%2Bnm5AMTSq/PvM5O%2BfUAhIy0Ce1QYqLkyZ4%3D' (2024-09-12)
  → 'github:NixOS/nixpkgs/2d2a9ddbe3f2c00747398f3dc9b05f7f2ebb0f53?narHash=sha256-B5WRZYsRlJgwVHIV6DvidFN7VX7Fg9uuwkRW9Ha8z%2Bw%3D' (2024-10-30)

* fix: update for nix 2.24

nix path-info's output changed

3 files changed, 15 insertions, 30 deletions

diff --git a/flake.lock b/flake.lock
index d1142e0..f1d1f08 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nix-filter": {
       "locked": {
-        "lastModified": 1710156097,
-        "narHash": "sha256-1Wvk8UP7PXdf8bCCaEoMnOT1qe5/Duqgj+rL8sRQsSM=",
+        "lastModified": 1730207686,
+        "narHash": "sha256-SCHiL+1f7q9TAnxpasriP6fMarWE5H43t25F5/9e28I=",
         "owner": "numtide",
         "repo": "nix-filter",
-        "rev": "3342559a24e85fc164b295c3444e8a139924675b",
+        "rev": "776e68c1d014c3adde193a18db9d738458cd2ba4",
         "type": "github"
       },
       "original": {
@@ -17,11 +17,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1726142289,
-        "narHash": "sha256-Jks8O42La+nm5AMTSq/PvM5O+fUAhIy0Ce1QYqLkyZ4=",
+        "lastModified": 1730272153,
+        "narHash": "sha256-B5WRZYsRlJgwVHIV6DvidFN7VX7Fg9uuwkRW9Ha8z+w=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "280db3decab4cbeb22a4599bd472229ab74d25e1",
+        "rev": "2d2a9ddbe3f2c00747398f3dc9b05f7f2ebb0f53",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 429b61c..040f5a3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,7 +28,7 @@
       ];
 
       forAllSystems = lib.genAttrs allSystems;
-      nixpkgsFor = forAllSystems (system: nixpkgs.legacyPackages.${system});
+      nixpkgsFor = nixpkgs.legacyPackages;
     in
     {
       checks = forAllSystems (
@@ -133,15 +133,10 @@
         let
           pkgs = nixpkgsFor.${system};
           nixForecastPackages = lib.makeScope pkgs.newScope (final: self.overlays.default final pkgs);
-
-          isCompatible = lib.meta.availableOn pkgs.stdenv.hostPlatform;
-          filteredPackages = lib.filterAttrs (
-            _: deriv: isCompatible deriv && lib.isDerivation deriv
-          ) nixForecastPackages;
         in
-        filteredPackages
-        // {
-          default = filteredPackages.nix-forecast or pkgs.emptyFile;
+        {
+          inherit (nixForecastPackages) nix-forecast;
+          default = self.packages.${system}.nix-forecast;
         }
       );
 
@@ -163,8 +158,6 @@
             pname = "nix-forecast";
             inherit (passthru.cargoTOML.package) version;
 
-            cargoLock.lockFile = ./Cargo.lock;
-
             src = nix-filter {
               root = self;
               include = [
@@ -175,12 +168,14 @@
               ];
             };
 
+            cargoLock.lockFile = ./Cargo.lock;
+
             nativeBuildInputs = [
               installShellFiles
               makeBinaryWrapper
             ];
 
-            buildInputs = lib.optionals stdenv.isDarwin [
+            buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [
               darwin.apple_sdk.frameworks.CoreFoundation
               darwin.apple_sdk.frameworks.SystemConfiguration
               darwin.libiconv
diff --git a/src/nix.rs b/src/nix.rs
index a2268a2..165fabf 100644
--- a/src/nix.rs
+++ b/src/nix.rs
@@ -8,13 +8,6 @@ use serde::{Deserialize, Serialize};
 use serde_json::Value;
 use tracing::{event, instrument, Level};
 
-/// JSON output of `nix path-info`
-#[derive(Clone, Debug, Eq, Hash, PartialEq, PartialOrd, Ord, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct PathInfo {
-	path: String,
-}
-
 /// JSON output of `nix build`
 #[derive(Clone, Debug, Eq, PartialEq, Deserialize, Serialize)]
 #[serde(rename_all = "camelCase")]
@@ -94,11 +87,8 @@ pub fn closure_paths(store_path: &str) -> Result<Vec<String>> {
 		.output()?;
 
 	if output.status.success() {
-		let path_infos: Vec<PathInfo> = serde_json::from_slice(&output.stdout)?;
-		let paths = path_infos
-			.into_iter()
-			.map(|path_info| path_info.path)
-			.collect();
+		let path_infos: HashMap<String, Value> = serde_json::from_slice(&output.stdout)?;
+		let paths = path_infos.into_keys().collect();
 		Ok(paths)
 	} else {
 		let code = output.status.code().unwrap_or(1);