From 18e933016cf5dabee34502d23c8dfa911a99b4e7 Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Tue, 9 Aug 2016 19:18:43 +0100
Subject: [PATCH] analytics.rb: URL encode reported data.

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

diff --git a/Library/Homebrew/utils/analytics.rb b/Library/Homebrew/utils/analytics.rb
index 866ff15f0f..a72850655d 100644
--- a/Library/Homebrew/utils/analytics.rb
+++ b/Library/Homebrew/utils/analytics.rb
@@ -1,3 +1,5 @@
+require "erb"
+
 module Utils
   module Analytics
     class << self
@@ -24,7 +26,13 @@ module Utils
           --data an=#{HOMEBREW_PRODUCT}
           --data av=#{HOMEBREW_VERSION}
         ]
-        metadata.each { |k, v| args << "-d" << "#{k}=#{v}" if k && v }
+        metadata.each do |key, value|
+          next unless key
+          next unless value
+          key = ERB::Util.url_encode key
+          value = ERB::Util.url_encode value
+          args << "--data" << "#{key}=#{value}"
+        end
 
         # Send analytics. Don't send or store any personally identifiable information.
         # https://github.com/Homebrew/brew/blob/master/share/doc/homebrew/Analytics.md