From 6144f5fed5c9929210720ef934ab394244b84074 Mon Sep 17 00:00:00 2001
From: Salahutdinov Dmitry <dsalahutdinov@gmail.com>
Date: Tue, 1 Oct 2019 10:31:05 +0500
Subject: [PATCH 1/4] Thread safety config for root_url and api_version

---
 lib/fb_graph2.rb | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/lib/fb_graph2.rb b/lib/fb_graph2.rb
index c700026..f3290b2 100644
--- a/lib/fb_graph2.rb
+++ b/lib/fb_graph2.rb
@@ -6,8 +6,10 @@ require 'rack/oauth2'
 require 'patch/rack/oauth2/util'
 
 module FbGraph2
-  mattr_accessor :root_url, :api_version, :gem_version, :logger, :debugging, :_http_config_, :object_classes
+  mattr_accessor :gem_version, :logger, :debugging, :_http_config_, :object_classes
 
+  DEFAULT_ROOT_URL = 'https://graph.facebook.com'
+  DEFAULT_API_VERSION = 'v2.11'
   self.root_url = 'https://graph.facebook.com'
   self.api_version = 'v2.11'
   self.gem_version = File.read(File.join(__dir__, '../VERSION')).strip
@@ -15,6 +17,22 @@ module FbGraph2
   self.logger.progname = 'FbGraph2'
 
   class << self
+    def root_url
+      Thread.current['fb_graph2_root_url'] || DEFAULT_ROOT_URL
+    end
+
+    def root_url=(value)
+      Thread.current['fb_graph2_root_url'] = value
+    end
+
+    def api_version
+      Thread.current['fb_graph2_api_version'] || DEFAULT_API_VERSION
+    end
+
+    def api_version=(value)
+      Thread.current['fb_graph2_api_version'] = value
+    end
+
     def object_classes
       FbGraph2::Node.descendants
     end

From cd4a8b019ef2ad44f52ae050eb8f9e4498e1b11b Mon Sep 17 00:00:00 2001
From: Salahutdinov Dmitry <dsalahutdinov@gmail.com>
Date: Tue, 1 Oct 2019 15:51:13 +0500
Subject: [PATCH 2/4] f

---
 lib/fb_graph2.rb | 2 --
 1 file changed, 2 deletions(-)

diff --git a/lib/fb_graph2.rb b/lib/fb_graph2.rb
index f3290b2..ffe9783 100644
--- a/lib/fb_graph2.rb
+++ b/lib/fb_graph2.rb
@@ -10,8 +10,6 @@ module FbGraph2
 
   DEFAULT_ROOT_URL = 'https://graph.facebook.com'
   DEFAULT_API_VERSION = 'v2.11'
-  self.root_url = 'https://graph.facebook.com'
-  self.api_version = 'v2.11'
   self.gem_version = File.read(File.join(__dir__, '../VERSION')).strip
   self.logger = Logger.new(STDOUT)
   self.logger.progname = 'FbGraph2'

From 8e9fbc0d85c3c93892cf118639ddedb1acb61985 Mon Sep 17 00:00:00 2001
From: Salahutdinov Dmitry <dsalahutdinov@gmail.com>
Date: Tue, 1 Oct 2019 15:55:22 +0500
Subject: [PATCH 3/4] f

---
 lib/fb_graph2.rb | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/fb_graph2.rb b/lib/fb_graph2.rb
index ffe9783..7bdc4e3 100644
--- a/lib/fb_graph2.rb
+++ b/lib/fb_graph2.rb
@@ -16,19 +16,19 @@ module FbGraph2
 
   class << self
     def root_url
-      Thread.current['fb_graph2_root_url'] || DEFAULT_ROOT_URL
+      ::Thread.current['fb_graph2_root_url'] || DEFAULT_ROOT_URL
     end
 
     def root_url=(value)
-      Thread.current['fb_graph2_root_url'] = value
+      ::Thread.current['fb_graph2_root_url'] = value
     end
 
     def api_version
-      Thread.current['fb_graph2_api_version'] || DEFAULT_API_VERSION
+      ::Thread.current['fb_graph2_api_version'] || DEFAULT_API_VERSION
     end
 
     def api_version=(value)
-      Thread.current['fb_graph2_api_version'] = value
+      ::Thread.current['fb_graph2_api_version'] = value
     end
 
     def object_classes

From fbe5e4d5c3568a23a07bbf028399480ff5bb50c7 Mon Sep 17 00:00:00 2001
From: Salahutdinov Dmitry <dsalahutdinov@gmail.com>
Date: Tue, 1 Oct 2019 16:01:28 +0500
Subject: [PATCH 4/4] Upgrade ruby for tests

---
 .travis.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index a742b12..01bafb9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ before_install:
   - gem install bundler
 
 rvm:
-  - 2.2.2 # NOTE: 2.2.1 or lower aren't supported by activesupport 5.0, CI isn't needed for such legacy versions.
-  - 2.2.6
   - 2.3.3
-  - 2.4.0
\ No newline at end of file
+  - 2.4.0
+  - 2.5.6
+  - 2.6.4