Updated travis build scripts (from rspec-dev) (#2589)

Author: JonRowe

.rubocop_rspec_base.yml

@@ -1,4 +1,4 @@
-# This file was generated on 2018-12-30T16:45:57+00:00 from the rspec-dev repo.
+# This file was generated on 2019-01-03T20:34:23+00:00 from the rspec-dev repo.
 # DO NOT modify it by hand as your changes will get lost the next time it is generated.
 
 # This file contains defaults for RSpec projects. Individual projects

.travis.yml

@@ -1,4 +1,4 @@
-# This file was generated on 2018-12-30T16:45:57+00:00 from the rspec-dev repo.
+# This file was generated on 2019-01-03T20:34:23+00:00 from the rspec-dev repo.
 # DO NOT modify it by hand as your changes will get lost the next time it is generated.
 
 language: ruby
@@ -8,9 +8,7 @@ cache:
   directories:
     - ../bundle
 before_install:
-  # We need to ensure the latest version of Rubygems, unless we're on an old Ruby.
-  - gem update --system $(ruby -e "puts '2.7.8' if ENV['RUBY_VERSION'] >= '2.3.0'")
-  - gem install bundler
+  - "script/update_rubygems_and_install_bundler"
   - unset _JAVA_OPTIONS
   - "script/clone_all_rspec_repos"
 bundler_args: "--binstubs --standalone --without documentation --path ../bundle"

appveyor.yml

@@ -1,4 +1,4 @@
-# This file was generated on 2018-12-30T16:45:57+00:00 from the rspec-dev repo.
+# This file was generated on 2019-01-03T20:34:23+00:00 from the rspec-dev repo.
 # DO NOT modify it by hand as your changes will get lost the next time it is generated.
 
 version: "{build}"

script/clone_all_rspec_repos

@@ -1,5 +1,5 @@
 #!/bin/bash
-# This file was generated on 2018-12-30T16:45:57+00:00 from the rspec-dev repo.
+# This file was generated on 2019-01-03T20:34:23+00:00 from the rspec-dev repo.
 # DO NOT modify it by hand as your changes will get lost the next time it is generated.
 
 set -e

script/functions.sh

@@ -1,4 +1,4 @@
-# This file was generated on 2018-12-30T16:45:57+00:00 from the rspec-dev repo.
+# This file was generated on 2019-01-03T20:34:23+00:00 from the rspec-dev repo.
 # DO NOT modify it by hand as your changes will get lost the next time it is generated.
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

script/predicate_functions.sh

@@ -1,4 +1,4 @@
-# This file was generated on 2018-12-30T16:45:57+00:00 from the rspec-dev repo.
+# This file was generated on 2019-01-03T20:34:23+00:00 from the rspec-dev repo.
 # DO NOT modify it by hand as your changes will get lost the next time it is generated.
 
 function is_mri {
@@ -57,6 +57,14 @@ function is_mri_2plus {
   fi
 }
 
+function is_ruby_23_plus {
+  if ruby -e "exit(RUBY_VERSION.to_f >= 2.3)"; then
+    return 0
+  else
+    return 1
+  fi
+}
+
 function rspec_support_compatible {
   if [ "$MAINTENANCE_BRANCH" != "2-99-maintenance" ] && [ "$MAINTENANCE_BRANCH" != "2-14-maintenance" ]; then
     return 0

script/run_build

@@ -1,5 +1,5 @@
 #!/bin/bash
-# This file was generated on 2018-12-30T16:45:57+00:00 from the rspec-dev repo.
+# This file was generated on 2019-01-03T20:34:23+00:00 from the rspec-dev repo.
 # DO NOT modify it by hand as your changes will get lost the next time it is generated.
 
 set -e

script/travis_functions.sh

@@ -1,4 +1,4 @@
-# This file was generated on 2018-12-30T16:45:57+00:00 from the rspec-dev repo.
+# This file was generated on 2019-01-03T20:34:23+00:00 from the rspec-dev repo.
 # DO NOT modify it by hand as your changes will get lost the next time it is generated.
 
 # Taken from:

script/update_rubygems_and_install_bundler

@@ -0,0 +1,15 @@
+#!/bin/bash
+# This file was generated on 2019-01-03T20:34:23+00:00 from the rspec-dev repo.
+# DO NOT modify it by hand as your changes will get lost the next time it is generated.
+
+set -e
+source script/functions.sh
+
+if is_ruby_23_plus; then
+  gem update --system
+  gem install bundler
+else
+  echo "Warning installing older versions of Rubygems / Bundler"
+  gem update --system '2.7.8'
+  gem install bundler -v '1.17.3'
+fi