From a2646a8694ff545412abf2359454840a5abf4a80 Mon Sep 17 00:00:00 2001
From: Buck Evan <buck.2019@gmail.com>
Date: Sat, 17 Mar 2018 16:46:44 -0700
Subject: [PATCH] fix: crash when curl is not installed

---
 Library/Homebrew/utils/curl.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/utils/curl.rb b/Library/Homebrew/utils/curl.rb
index 65edd85df4..7b2488ec72 100644
--- a/Library/Homebrew/utils/curl.rb
+++ b/Library/Homebrew/utils/curl.rb
@@ -6,8 +6,8 @@ def curl_executable
     ENV["HOMEBREW_CURL"],
     which("curl"),
     "/usr/bin/curl",
-  ].map { |c| Pathname(c) }.find(&:executable?)
-  raise "curl is not executable" unless @curl
+  ].compact.map { |c| Pathname(c) }.find(&:executable?)
+  raise "no executable curl was found" unless @curl
   @curl
 end