💚 Better handling of ancient ruby scenario

Author: pboling

.github/workflows/ancient.yml

@@ -1,4 +1,4 @@
-name: Legacy Ruby Support
+name: Ancient Ruby Support
 
 on:
   push:

gemfiles/ancient.gemfile

@@ -12,7 +12,6 @@ source "https://rubygems.org"
 gem "rspec", "~> 3.12"                        # ruby *
 gem "rack-test", "~> 2.1"                     # ruby 2.0
 gem "rack", "< 3"                             # ruby < 2.4
-gem "rack-session", "< 2", github: "pboling/rack-session", branch: "fix-missing-rack-session"                     # ruby < 2.4
 gem "json", "< 2.6"                           # ruby < 2.3
 gem "openssl", "< 3.0"                        # ruby < 2.3
 gem "ed25519", "< 1.3"                        # ruby < 2.4

spec/spec_helper.rb

@@ -2,12 +2,20 @@
 require 'securerandom'
 
 # 3rd party gems
-require 'rack/session'
+begin
+  require 'rack/session'
+rescue LoadError
+  nil # File won't exist in old rack for Ruby 2.2 & 2.3
+end
 require 'rack/test'
 require 'json'
 require 'omniauth'
 require 'openssl'
-require 'openssl/signature_algorithm'
+begin
+  require 'openssl/signature_algorithm'
+rescue LoadError
+  nil # Gem doesn't exist for ancient Rubies 2.2 & 2.3
+end
 require 'ed25519'
 
 require 'byebug' if ENV['DEBUG'] == 'true'