mv files to os/*/cmd/

Library/Homebrew/cmd/update-report.rb

@@ -294,29 +294,7 @@ module Homebrew
   end
 
   def migrate_gcc_dependents_if_needed
-    return if Settings.read("gcc-rpaths.fixed") == "true"
-
-    Formula.installed.each do |formula|
-      next unless formula.tap&.core_tap?
-
-      recursive_runtime_dependencies = Dependency.expand(
-        formula,
-        cache_key: "update-report",
-      ) do |_, dependency|
-        Dependency.prune if dependency.build? || dependency.test?
-      end
-      next unless recursive_runtime_dependencies.map(&:name).include? "gcc"
-
-      keg = formula.installed_kegs.last
-      tab = Tab.for_keg(keg)
-      # Force reinstallation upon `brew upgrade` to fix the bottle RPATH.
-      tab.source["versions"]["version_scheme"] = -1
-      tab.write
-    rescue TapFormulaUnavailableError
-      nil
-    end
-
-    Settings.write "gcc-rpaths.fixed", true
+    # do nothing
   end
 end
 

Library/Homebrew/extend/os/linux/cmd/update-report.rb

@@ -0,0 +1,34 @@
+# typed: false
+# frozen_string_literal: true
+
+module Homebrew
+  extend T::Sig
+
+  module_function
+
+  def migrate_gcc_dependents_if_needed
+    return if Settings.read("gcc-rpaths.fixed") == "true"
+
+    Formula.installed.each do |formula|
+      next unless formula.tap&.core_tap?
+
+      recursive_runtime_dependencies = Dependency.expand(
+        formula,
+        cache_key: "update-report",
+      ) do |_, dependency|
+        Dependency.prune if dependency.build? || dependency.test?
+      end
+      next unless recursive_runtime_dependencies.map(&:name).include? "gcc"
+
+      keg = formula.installed_kegs.last
+      tab = Tab.for_keg(keg)
+      # Force reinstallation upon `brew upgrade` to fix the bottle RPATH.
+      tab.source["versions"]["version_scheme"] = -1
+      tab.write
+    rescue TapFormulaUnavailableError
+      nil
+    end
+
+    Settings.write "gcc-rpaths.fixed", true
+  end
+end

Library/Homebrew/extend/os/update-report.rb

@@ -1,4 +1,8 @@
 # typed: strict
 # frozen_string_literal: true
 
-require "extend/os/mac/update-report" if OS.mac?
+if OS.mac?
+  require "extend/os/mac/cmd/update-report"
+elsif OS.linux?
+  require "extend/os/linux/cmd/update-report"
+end