separated the gems by groups

.gitignore

@@ -12,7 +12,7 @@ pkg
 rdoc
 spec/reports
 tmp
-www/public
-www/build
-www/.sass-cache
-www/wiki
+public
+build
+.sass-cache
+wiki

.gitlab-ci.yml

@@ -15,6 +15,8 @@ variables:
   BUNDLE_PATH: vendor
 
 .test_settings: &test_settings
+  variables:
+    BUNDLE_WITHOUT: website:assorted
   stage: test
   services:
     - docker:dind
@@ -83,7 +85,7 @@ jekyll:
   image: "ruby:2.7-alpine"
   variables:
     JEKYLL_ENV: production
-    BUNDLE_GEMFILE: www/Gemfile
+    BUNDLE_WITHOUT: test:coverage:assorted
   script:
     - apk --update add g++ make git
     - bundle install
@@ -97,12 +99,16 @@ jekyll:
 
 coverage:
   stage: prepare
+  variables:
+    BUNDLE_WITHOUT: test:website:assorted
   dependencies:
     - test_jruby
     - test_ruby21
     - test_ruby27
   image: "ruby:2.7-alpine"
   script:
+    - apk --update add g++ make
+    - bundle install
     # this is a workaround, because simplecov doesn't support relative paths.
     #
     # https://github.com/simplecov-ruby/simplecov/issues/887
@@ -113,8 +119,7 @@ coverage:
     # all of those have to be rewritten before the merge happens.
     #
     - find coverage -name "*resultset.json" -exec sed -i 's?/home?'`pwd`'?' {} \;
-    - gem install --no-doc simplecov
-    - rake coverage:report
+    - bundle exec rake coverage:report
   artifacts:
     paths:
       - "coverage/"

Gemfile

@@ -7,44 +7,67 @@ gemspec
 
 gem "rake", "~> 12.3"
 
-if RUBY_VERSION < "2.2"
-  gem "rubocop", "~> 0.57.0", require: false
-  gem "net-ssh", "~> 4.2.0", require: false
-  gem "rb-inotify", "~> 0.9.10", require: false
-  gem "simplecov", "< 0.11.0", require: false
-elsif RUBY_VERSION < "2.3"
-  gem "rubocop", "~> 0.68.1", require: false
-  gem "simplecov", "< 0.11.0", require: false
-else
-  gem "rubocop", "~> 0.80.0", require: false
-  gem "rubocop-performance", "~> 1.5.2", require: false
-  gem "simplecov", require: false
+group :test do
+  gem "minitest"
+  gem "minitest-proveit"
+
+  if RUBY_VERSION < "2.2"
+    gem "rubocop", "~> 0.57.0"
+    gem "net-ssh", "~> 4.2.0"
+  elsif RUBY_VERSION < "2.3"
+    gem "rubocop", "~> 0.68.1"
+  else
+    gem "rubocop", "~> 0.80.0"
+    gem "rubocop-performance", "~> 1.5.2"
+  end
+
+  platform :mri do
+    gem "brotli"
+    gem "benchmark-ips"
+    gem "net-ssh-gateway"
+    gem "ed25519"
+    gem "bcrypt_pbkdf"
+  end
+
+  platform :mri_21 do
+    gem "rbnacl"
+  end
+
+  gem "oga"
+  gem "faraday"
 end
 
-platform :mri do
-  gem "brotli", require: false
-  gem "benchmark-ips", require: false
-  gem "net-ssh-gateway", require: false
-  gem "ed25519", require: false
-  gem "bcrypt_pbkdf", require: false
+group :coverage do
   if RUBY_VERSION < "2.2"
-    gem "pry-byebug", "~> 3.4.3", require: false
+    gem "simplecov", "< 0.11.0"
+  elsif RUBY_VERSION < "2.3"
+    gem "simplecov", "< 0.11.0"
   else
-    gem "pry-byebug", require: false
+    gem "simplecov"
   end
 end
 
-platform :mri_21 do
-  gem "rbnacl", require: false
-end
+group :website do
+  gem "hanna-nouveau"
 
-gem "faraday", :require => false
-if RUBY_VERSION < "2.2"
-  gem "pry", "~> 0.12.2", :require => false
-else
-  gem "pry", :require => false
-end
+  gem "jekyll", "~> 4.0.0"
+  gem "jekyll-gzip", "~> 2.4.1"
+  gem "jekyll-paginate-v2", "~> 1.5.2"
+  gem "jekyll-brotli", "~> 2.2.0"
+end if RUBY_VERSION > "2.2"
 
-gem "minitest", require: false
-gem "minitest-proveit", require: false
-gem "oga", require: false
+group :assorted do
+  if RUBY_VERSION < "2.2"
+    gem "pry", "~> 0.12.2"
+  else
+    gem "pry"
+  end
+
+  platform :mri do
+    if RUBY_VERSION < "2.2"
+      gem "pry-byebug", "~> 3.4.3"
+    else
+      gem "pry-byebug"
+    end
+  end
+end

docker-compose-gitlab.yml

@@ -4,6 +4,7 @@ services:
     environment:
       - "BUNDLE_PATH=${BUNDLE_PATH}"
       - "BUNDLE_JOBS=${BUNDLE_JOBS}"
+      - "BUNDLE_WITHOUT=${BUNDLE_WITHOUT}"
       - HTTPBIN_HOST=nghttp2
     volumes:
       - "${MOUNT_POINT}:/home/vendor"

docker-compose.yml

@@ -14,7 +14,6 @@ services:
       - N=6 # minitest workers
       - MT_CPU=6 # minitest workers
       - CI=1
-      - JEKYLL_ENV=production
       - GEM_HOME=/usr/local/bundle
       - BUNDLE_PATH=/usr/local/bundle
       - BUNDLE_SILENCE_ROOT_WARNING=1

www/Gemfile

@@ -1,12 +0,0 @@
-source "https://rubygems.org"
-
-gem "rake", "~> 12.3"
-
-gem "hanna-nouveau", require: false
-
-gem "jekyll", "~> 4.0.0"
-gem "jekyll-gzip", "~> 2.4.1"
-gem "jekyll-paginate-v2", "~> 1.5.2"
-platform :mri do
-  gem "jekyll-brotli", "~> 2.2.0"
-end