diff --git a/Library/Homebrew/system_command.rb b/Library/Homebrew/system_command.rb
index 8436376fd9..560bed6d09 100644
--- a/Library/Homebrew/system_command.rb
+++ b/Library/Homebrew/system_command.rb
@@ -74,13 +74,15 @@ class SystemCommand
       must_succeed: T::Boolean,
       print_stdout: T::Boolean,
       print_stderr: T::Boolean,
+      debug:        T::Boolean,
       verbose:      T::Boolean,
       secrets:      T.any(String, T::Array[String]),
       chdir:        T.any(String, Pathname),
     ).void
   end
   def initialize(executable, args: [], sudo: false, env: {}, input: [], must_succeed: false,
-                 print_stdout: false, print_stderr: true, verbose: false, secrets: [], chdir: T.unsafe(nil))
+                 print_stdout: false, print_stderr: true, debug: false, verbose: false, secrets: [],
+                 chdir: T.unsafe(nil))
     require "extend/ENV"
     @executable = executable
     @args = args
@@ -95,6 +97,7 @@ class SystemCommand
     @must_succeed = must_succeed
     @print_stdout = print_stdout
     @print_stderr = print_stderr
+    @debug = debug
     @verbose = verbose
     @secrets = (Array(secrets) + ENV.sensitive_environment.values).uniq
     @chdir = chdir
@@ -111,6 +114,13 @@ class SystemCommand
 
   attr_predicate :sudo?, :print_stdout?, :print_stderr?, :must_succeed?
 
+  sig { returns(T::Boolean) }
+  def debug?
+    return super if @debug.nil?
+
+    @debug
+  end
+
   sig { returns(T::Boolean) }
   def verbose?
     return super if @verbose.nil?