From dda9f75fca04e6c95027772504ff270cdb40e3a1 Mon Sep 17 00:00:00 2001
From: Rylan Polster <rslpolster@gmail.com>
Date: Wed, 6 Apr 2022 23:36:24 -0400
Subject: [PATCH] fetch: only fetch runtime deps with
 `HOMEBREW_INSTALL_FROM_API`

---
 Library/Homebrew/cmd/fetch.rb | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/fetch.rb b/Library/Homebrew/cmd/fetch.rb
index 0785483b08ce8..daba7dbfef3d7 100644
--- a/Library/Homebrew/cmd/fetch.rb
+++ b/Library/Homebrew/cmd/fetch.rb
@@ -71,7 +71,15 @@ def fetch
         when Formula
           f = formula_or_cask
 
-          [f, *f.recursive_dependencies.map(&:to_formula)]
+          deps = if Homebrew::EnvConfig.install_from_api?
+            f.recursive_dependencies do |_, dependency|
+              Dependency.prune if EnvConfig.install_from_api? && (dependency.build? || dependency.test?)
+            end
+          else
+            f.recursive_dependencies
+          end
+
+          [f, *deps.map(&:to_formula)]
         else
           formula_or_cask
         end