.gitlab-ci.yml in jekyll-openmoji-0.1.3 vs .gitlab-ci.yml in jekyll-openmoji-0.1.5

@@ -1,32 +1,29 @@
 # stages of gitlab ci.
 stages:
   - test
-  - deploy
   - release
 
 # default settings for all ci jobs.
 default:
   image: azadehafzarhub/gitlab-ci-ruby-build:latest
   cache:
     paths:
       - vendor/
-
 # job for testing package against ruby version 2.6
 # on master branch and send test coverage result to
 # codeclimate.
 test main branch:
   stage: test
   before_script:
-    # setup rvm.
+    # setup rbenv.
     - source ~/.bash_profile
-    # use ruby version 2.6.
-    - rvm use 2.6
-    # upgrade bundler to latest version.
-    - gem install bundler
+    # use ruby version 2.7.0 .
+    - rbenv global 2.7.0
     # install dependency gems.
-    - bundle install --path vendor
+    - bundle config set path 'vendor'
+    - bundle install
     # run codeclimate test reporter agent.
     - cc-test-reporter before-build
   # run tests.
   script:
     - script/test.sh
@@ -35,111 +32,92 @@
     - cc-test-reporter after-build --coverage-input-type simplecov
   only:
     - master
 
 # job for testing package on other branches than master
-# and merge requests against 2.6 version.
-test ruby 2.6:
+# and merge requests against 2.7.0 version.
+test ruby 2.7.0:
   stage: test
   before_script:
-    # setup rvm.
+    # setup rbenv.
     - source ~/.bash_profile
-    # use ruby version 2.6.
-    - rvm use 2.6
-    # upgrade bundler to latest version.
-    - gem install bundler
+    # use ruby version 2.7.0 .
+    - rbenv global 2.7.0
     # install dependency gems.
-    - bundle install --path vendor
+    - bundle config set path 'vendor'
+    - bundle install
   # run tests.
   script:
     - script/test.sh
   only:
     - branches
     - merge_requests
   except:
     - master
 
-test ruby 2.5:
+# jobs for testing package against older ruby versions.
+test ruby 2.6.5:
   stage: test
   before_script:
-    # setup rvm.
+    # setup rbenv.
     - source ~/.bash_profile
-    # use ruby version 2.5.
-    - rvm use 2.5
-    # upgrade bundler to latest version.
-    - gem install bundler
+    # use ruby version 2.6.5 .
+    - rbenv global 2.6.5
     # install dependency gems.
-    - bundle install --path vendor
+    - bundle config set path 'vendor'
+    - bundle install
   # run tests.
   script:
     - script/test.sh
   except:
     - tags
 
-test ruby 2.4:
+test ruby 2.5.7:
   stage: test
   before_script:
-    # setup rvm.
+    # setup rbenv.
     - source ~/.bash_profile
-    # use ruby version 2.4.
-    - rvm use 2.4
-    # upgrade bundler to latest version.
-    - gem install bundler
+    # use ruby version 2.5.7 .
+    - rbenv global 2.5.7
     # install dependency gems.
-    - bundle install --path vendor
+    - bundle config set path 'vendor'
+    - bundle install
   # run tests.
   script:
     - script/test.sh
   except:
     - tags
 
-test ruby 2.3:
-  stage: test
-  before_script:
-    # setup rvm.
-    - source ~/.bash_profile
-    # use ruby version 2.3.
-    - rvm use 2.3
-    # upgrade bundler to latest version.
-    - gem install bundler
-    # install dependency gems.
-    - bundle install --path vendor
-  # run tests.
-  script:
-    - script/test.sh
-  except:
-    - tags
-
 # release a preview blog for master branch with gitlab pages.
 pages:
-  stage: deploy
+  stage: release
   script:
-    # setup rvm.
+    # setup rbenv.
     - source ~/.bash_profile
-    # use ruby version 2.6.
-    - rvm use 2.6
+    # use ruby version 2.7.0
+    - rbenv global 2.7.0
     # go to blog folder.
     - cd doc/blog
-    # upgrade bundler to latest version.
-    - gem install bundler
-    # install dependencies.
-    - bundle install --path vendor
+    # install dependency gems.
+    - bundle config set path 'vendor'
+    - bundle install
     # generate site with jekyll.
     - bundle exec jekyll build --trace --destination ../../public
   artifacts:
     paths:
       - public
   only:
     - master
+  when: manual
 
 # deploy gems to rubygems.org whenever a tag is released.
 release to rubygems:
   stage: release
   script:
-    # setup rvm.
+    # setup rbenv.
     - source ~/.bash_profile
-    # use ruby version 2.6.
-    - rvm use 2.6
+    # use ruby version 2.7.0
+    - rbenv global 2.7.0
     # create rubygems credential file for auto login.
     - script/ci_rubygems.sh
     # extract tag from git log and strip "v".
     - version=$(git describe --tags)
     - version=${version:1}