Remove uses_from_macos dep duplication in FormulaAPILoader

Library/Homebrew/formulary.rb

@@ -141,6 +141,12 @@ module Formulary
       json_formula = json_formula.merge(json_formula["variations"][bottle_tag])
     end
 
+    uses_from_macos_names = json_formula["uses_from_macos"].map do |dep|
+      next dep unless dep.is_a? Hash
+
+      dep.keys.first
+    end
+
     klass = Class.new(::Formula) do
       desc json_formula["desc"]
       homepage json_formula["homepage"]
@@ -181,20 +187,18 @@ module Formulary
         disable! date: disable_date, because: reason
       end
 
-      json_formula["build_dependencies"].each do |dep|
-        depends_on dep => :build
-      end
-
       json_formula["dependencies"].each do |dep|
+        next if uses_from_macos_names.include? dep
+
         depends_on dep
       end
 
-      json_formula["recommended_dependencies"].each do |dep|
-        depends_on dep => :recommended
-      end
+      [:build, :recommended, :optional].each do |type|
+        json_formula["#{type}_dependencies"].each do |dep|
+          next if uses_from_macos_names.include? dep
 
-      json_formula["optional_dependencies"].each do |dep|
-        depends_on dep => :optional
+          depends_on dep => type
+        end
       end
 
       json_formula["uses_from_macos"].each do |dep|

Library/Homebrew/test/formulary_spec.rb

@@ -270,6 +270,16 @@ describe Formulary do
         }
       end
 
+      let(:linux_variations_json) do
+        {
+          "variations" => {
+            "x86_64_linux" => {
+              "dependencies" => ["dep", "uses_from_macos_dep"],
+            },
+          },
+        }
+      end
+
       before do
         allow(described_class).to receive(:loader_for).and_return(described_class::FormulaAPILoader.new(formula_name))
       end
@@ -323,6 +333,16 @@ describe Formulary do
         expect(formula.deps.count).to eq 5
         expect(formula.deps.map(&:name).include?("variations_dep")).to be true
       end
+
+      it "returns a Formula without duplicated deps and uses_from_macos with variations on Linux", :needs_linux do
+        allow(Homebrew::API::Formula).to receive(:all_formulae).and_return formula_json_contents(linux_variations_json)
+        allow(Utils::Bottles).to receive(:tag).and_return(:arm64_monterey)
+
+        formula = described_class.factory(formula_name)
+        expect(formula).to be_kind_of(Formula)
+        expect(formula.deps.count).to eq 5
+        expect(formula.deps.map(&:name).include?("variations_dep")).to be true
+      end
     end
   end