From 0867534f3e96000a43484ae84b86b36a08d037a1 Mon Sep 17 00:00:00 2001
From: Carlo Cabrera <30379873+carlocab@users.noreply.github.com>
Date: Wed, 31 May 2023 00:06:55 +0800
Subject: [PATCH] unpack_strategy/zip: avoid loading formulae unnecessarily

If we already have `unzip` in `PATH`, let's skip trying to load the
`unzip` formula.
---
 Library/Homebrew/unpack_strategy/zip.rb | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/Library/Homebrew/unpack_strategy/zip.rb b/Library/Homebrew/unpack_strategy/zip.rb
index de7c8b532e..c4c5fd301e 100644
--- a/Library/Homebrew/unpack_strategy/zip.rb
+++ b/Library/Homebrew/unpack_strategy/zip.rb
@@ -23,10 +23,12 @@ module UnpackStrategy
               .returns(SystemCommand::Result)
     }
     def extract_to_dir(unpack_dir, basename:, verbose:)
-      unzip = begin
-        Formula["unzip"]
-      rescue FormulaUnavailableError
-        nil
+      unzip = if which("unzip").blank?
+        begin
+          Formula["unzip"]
+        rescue FormulaUnavailableError
+          nil
+        end
       end
 
       with_env(TZ: "UTC") do