Merge pull request #95 from ruby/improve-ci

Improve CI and gemspec

Gemfile

@@ -1,5 +1,10 @@
 source "https://rubygems.org"
 
-git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
-
 gemspec
+
+group :development do
+  gem "bundler"
+  gem "rake"
+  gem "test-unit"
+  gem "test-unit-ruby-core"
+end

Rakefile

@@ -27,11 +27,4 @@ task "gh-pages" => :rdoc do
   FileUtils.cp_r Dir.glob("/tmp/html/*"), "."
 end
 
-task :sync_tool do
-  require 'fileutils'
-  FileUtils.cp "../ruby/tool/lib/core_assertions.rb", "./test/lib"
-  FileUtils.cp "../ruby/tool/lib/envutil.rb", "./test/lib"
-  FileUtils.cp "../ruby/tool/lib/find_executable.rb", "./test/lib"
-end
-
 task :default => :test

logger.gemspec

@@ -18,9 +18,5 @@ Gem::Specification.new do |spec|
   spec.files         = Dir.glob("lib/**/*.rb") + ["logger.gemspec"]
   spec.require_paths = ["lib"]
 
-  spec.required_ruby_version = ">= 2.3.0"
-
-  spec.add_development_dependency "bundler", ">= 0"
-  spec.add_development_dependency "rake", ">= 12.3.3"
-  spec.add_development_dependency "test-unit"
+  spec.required_ruby_version = ">= 2.5.0"
 end