formula_creator: tweak variable name

MikeMcQuaid · web-flow · commit e71b1473b89d · 2025-05-30T14:55:50.000+01:00
diff --git a/Library/Homebrew/formula_creator.rb b/Library/Homebrew/formula_creator.rb
@@ -86,8 +86,8 @@ def write_formula!
           html_doctype_prefix = "<!doctype html"
           # Number of bytes to read from file start to ensure it is not HTML.
           # HTML may start with arbitrary number of whitespace lines.
-          head_len = 100
-          if File.read(filepath, head_len).strip.downcase.start_with?(html_doctype_prefix)
+          bytes_to_read = 100
+          if File.read(filepath, bytes_to_read).strip.downcase.start_with?(html_doctype_prefix)
             raise "Downloaded URL is not archive"
           end
 
