[WIP] Testing more basic snippet command

Gemfile

@@ -34,7 +34,7 @@ MAJOR =
 
 if MAJOR >= 6
   # sqlite3 is an optional, unspecified, dependency and Rails 6.0 only supports `~> 1.4`
-  gem 'sqlite3', '~> 1.4', platforms: [:ruby]
+  gem 'sqlite3', '~> 1.4'
 else
   # Similarly, Rails 5.0 only supports '~> 1.3.6'. Rails 5.1-5.2 support '~> 1.3', '>= 1.3.6'
   gem 'sqlite3', '~> 1.3.6', platforms: [:ruby]

Rakefile

@@ -228,15 +228,8 @@ desc "Run short, self-contained snippets"
 task :snippets do
   sh "echo Running snippets"
   sh <<-SH
-    (cd snippets;
-     unset BUNDLE_GEMFILE
-     ruby use_active_record_false.rb
-     )
-     SH
-      # sh "echo Running #{snippet}"
-      # sh "ruby #{snippet}"
-    # end
-  # end
+     ruby snippets/use_active_record_false.rb
+  SH
 end
 
 task default: [:spec, :acceptance, :snippets]

snippets/use_active_record_false.rb

@@ -1,16 +1,34 @@
 require "bundler/inline"
 
+MAJOR =
+  case ENV['RAILS_VERSION']
+  when /5-2-stable/
+    5
+  when /master/, /stable/, nil, false, ''
+    6
+  else
+    /(\d+)[\.|-]\d+/.match(ENV['RAILS_VERSION']).captures.first.to_i
+  end
+
 gemfile(true) do
   source "https://rubygems.org"
 
   git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
   # Those Gemfiles carefully pick the right versions depending on
   # settings in the ENV, `.rails-version` and `maintenance-branch`.
-  eval_gemfile '../Gemfile-rspec-dependencies'
-  eval_gemfile '../Gemfile-rails-dependencies'
-
-  gem "rspec-rails", path: "../"
+  eval_gemfile './Gemfile-rspec-dependencies'
+  eval_gemfile './Gemfile-rails-dependencies'
+
+  if MAJOR >= 6
+    # sqlite3 is an optional, unspecified, dependency and Rails 6.0 only supports `~> 1.4`
+    gem 'sqlite3', '~> 1.4', platforms: [:ruby]
+  else
+    # Similarly, Rails 5.0 only supports '~> 1.3.6'. Rails 5.1-5.2 support '~> 1.3', '>= 1.3.6'
+    gem 'sqlite3', '~> 1.3.6', platforms: [:ruby]
+  end
+  gem "ammeter"
+  gem "rspec-rails", path: "./"
 end
 
 # Initialization