From d887dd39ec60c70e76a696e5fc9309172962d3c8 Mon Sep 17 00:00:00 2001
From: Andrew Janke
Date: Fri, 6 May 2016 12:02:13 -0700
Subject: brew install: make -s apply only to given formula, not deps (#205)

---
 Library/Homebrew/extend/ARGV.rb | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'Library/Homebrew/extend')

diff --git a/Library/Homebrew/extend/ARGV.rb b/Library/Homebrew/extend/ARGV.rb
index eec2172a2..bb26d453f 100644
--- a/Library/Homebrew/extend/ARGV.rb
+++ b/Library/Homebrew/extend/ARGV.rb
@@ -185,7 +185,19 @@ module HomebrewArgvExtension
   end
 
   def build_from_source?
-    switch?("s") || include?("--build-from-source") || !!ENV["HOMEBREW_BUILD_FROM_SOURCE"]
+    switch?("s") || include?("--build-from-source")
+  end
+
+  def build_all_from_source?
+    !!ENV["HOMEBREW_BUILD_FROM_SOURCE"]
+  end
+
+  # Whether a given formula should be built from source during the current
+  # installation run.
+  def build_formula_from_source?(f)
+    return true if build_all_from_source?
+    return false unless (build_from_source? || build_bottle?)
+    formulae.any? { |argv_f| argv_f.full_name == f.full_name }
   end
 
   def flag?(flag)
-- 
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