fix(natu): track selected dependencies

configs/nixos/modules/desktop/session/waybar.nix

@@ -8,10 +8,11 @@
 let
   cfg = config.modules.desktop.session.waybar; # NOLINT(let_order)
 
+  vpnClient = config.modules.network.vpn-client;
+
   # A Nerd Font Private-Use-Area codepoint as a literal character, decoded
   # through JSON so the glyph survives as bytes rather than an editor paste.
   g = code: builtins.fromJSON ''"\u${code}"'';
-  vpnClient = config.modules.network.vpn-client;
   user = config.user.name;
 
   sleepOffIcon = builtins.fromJSON ''"\udb81\udcb3"'';

src/dotfiles/default.nix

@@ -16,6 +16,12 @@ let
 
   util = import ./util.nix { inherit lib; };
 
+  registry = import ./registry.nix {
+    inherit lib util;
+    hosts = self.nixosConfigurations;
+    root = root + "/registry";
+  };
+
   guestModules = import ./guests.nix {
     inherit
       inputs
@@ -27,12 +33,6 @@ let
     root = root + "/guests";
   };
 
-  registry = import ./registry.nix {
-    inherit lib util;
-    hosts = self.nixosConfigurations;
-    root = root + "/registry";
-  };
-
   modules = import ./modules.nix {
     inherit util;
     root = root + "/modules";

src/natu/natu_test.rs

@@ -77,6 +77,30 @@ fn natu_preserves_suppressed_bindings() -> googletest::Result<()> {
     Ok(())
 }
 
+#[gtest]
+fn natu_reports_select_dependency_order() -> googletest::Result<()> {
+    let report = natu::future_sight(vec![SourceFile {
+        path: PathBuf::from("testdata/select_dependencies.nix"),
+        source: r#"
+let
+  dependency = { value = 1; };
+  entry = dependency.value;
+in
+entry
+"#
+        .into(),
+    }])
+    .or_fail()?;
+
+    let count = report
+        .diagnostics
+        .iter()
+        .filter(|diagnostic| diagnostic.finding.rule_id == "let_order")
+        .count();
+    expect_that!(count, eq(1));
+    Ok(())
+}
+
 #[gtest]
 fn natu_reports_list_to_attrs_after_map() -> googletest::Result<()> {
     let report = natu::future_sight(vec![SourceFile {

src/natu/scope_graph.rs

@@ -51,7 +51,7 @@ impl ScopeGraph {
                 .iter()
                 .flat_map(|expression| self.build_expr(expression, scope))
                 .collect(),
-            ast::Expr::Select(_) => Vec::new(),
+            ast::Expr::Select(select) => vec![self.add_reference(&select.receiver, scope)],
         }
     }