From e07a587f42abcf107866f0937643b1a261adf185 Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Sun, 12 Feb 2017 16:17:56 +0000
Subject: --prefix: use opt_prefix when available.

Fixes #1952.
---
 Library/Homebrew/cmd/--prefix.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'Library')

diff --git a/Library/Homebrew/cmd/--prefix.rb b/Library/Homebrew/cmd/--prefix.rb
index f6e7d2ee2..956ab0403 100644
--- a/Library/Homebrew/cmd/--prefix.rb
+++ b/Library/Homebrew/cmd/--prefix.rb
@@ -11,7 +11,9 @@ module Homebrew
     if ARGV.named.empty?
       puts HOMEBREW_PREFIX
     else
-      puts ARGV.resolved_formulae.map(&:installed_prefix)
+      puts ARGV.resolved_formulae.map { |f|
+        f.opt_prefix.exist? ? f.opt_prefix : f.installed_prefix
+      }
     end
   end
 end
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