Temporarily pin rspec-core and rspec-support

Author: JonRowe

Gemfile

@@ -3,14 +3,16 @@ source "https://rubygems.org"
 gemspec
 
 branch = File.read(File.expand_path("../maintenance-branch", __FILE__)).chomp
-%w[rspec rspec-core rspec-expectations rspec-support].each do |lib|
+%w[rspec rspec-expectations].each do |lib|
   library_path = File.expand_path("../../#{lib}", __FILE__)
   if File.exist?(library_path) && !ENV['USE_GIT_REPOS']
     gem lib, :path => library_path
   else
     gem lib, :git => "https://github.com/rspec/#{lib}.git", :branch => branch
   end
 end
+gem "rspec-core", :git => "https://github.com/rspec/rspec-core.git", :branch => "update-travis-build-scripts-2019-12-26-for-master"
+gem "rspec-support", :git => "https://github.com/rspec/rspec-support.git", :branch => "update-travis-build-scripts-2019-12-26-for-master"
 
 gem 'yard', '~> 0.9.12', :require => false
 

script/clone_all_rspec_repos

@@ -9,13 +9,13 @@ if is_mri; then
   pushd ..
 
   clone_repo "rspec"
-  clone_repo "rspec-core"
+  travis_retry eval "git clone https://github.com/rspec/rspec-core --depth 1 --branch update-travis-build-scripts-2019-12-26-for-master"
   clone_repo "rspec-expectations"
   clone_repo "rspec-mocks"
   clone_repo "rspec-rails"
 
   if rspec_support_compatible; then
-    clone_repo "rspec-support"
+    travis_retry eval "git clone https://github.com/rspec/rspec-support --depth 1 --branch update-travis-build-scripts-2019-12-26-for-master"
   fi
 
   popd