From 7388acb86e0b9811e6badd610255954b3b3a6453 Mon Sep 17 00:00:00 2001
From: joshua stein
Date: Mon, 12 Feb 2018 11:06:55 -0600
Subject: Tty: if HOMEBREW_NO_COLOR env var is present, disable color

bin/brew will recognize NO_COLOR variable and copy it to
HOMEBREW_NO_COLOR
---
 Library/Homebrew/test/utils/tty_spec.rb | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'Library/Homebrew/test/utils')

diff --git a/Library/Homebrew/test/utils/tty_spec.rb b/Library/Homebrew/test/utils/tty_spec.rb
index 3ba89b6fd..e6c9168f3 100644
--- a/Library/Homebrew/test/utils/tty_spec.rb
+++ b/Library/Homebrew/test/utils/tty_spec.rb
@@ -53,7 +53,7 @@ describe Tty do
       allow($stdout).to receive(:tty?).and_return(true)
     end
 
-    it "returns an empty string for all colors" do
+    it "returns ANSI escape codes for colors" do
       expect(subject.to_s).to eq("")
       expect(subject.red.to_s).to eq("\033[31m")
       expect(subject.green.to_s).to eq("\033[32m")
@@ -63,5 +63,17 @@ describe Tty do
       expect(subject.cyan.to_s).to eq("\033[36m")
       expect(subject.default.to_s).to eq("\033[39m")
     end
+
+    it "returns an empty string for all colors when HOMEBREW_NO_COLOR is set" do
+      ENV["HOMEBREW_NO_COLOR"] = "1"
+      expect(subject.to_s).to eq("")
+      expect(subject.red.to_s).to eq("")
+      expect(subject.green.to_s).to eq("")
+      expect(subject.yellow.to_s).to eq("")
+      expect(subject.blue.to_s).to eq("")
+      expect(subject.magenta.to_s).to eq("")
+      expect(subject.cyan.to_s).to eq("")
+      expect(subject.default.to_s).to eq("")
+    end
   end
 end
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