Add version.rake

Author: nobu

rakelib/version.rake

@@ -0,0 +1,77 @@
+class << (helper = Bundler::GemHelper.instance)
+  SOURCE_PATH = "test-unit-ruby-core.gemspec"
+  VERSION_PATTERN = /\.version\s*=\s*(["'])\K.*?(?=\1)/
+
+  def update_source_version(path = SOURCE_PATH, pattern = VERSION_PATTERN)
+    File.open(path, "r+b") do |f|
+      d = f.read
+      if d.sub!(pattern) {version.to_s}
+        f.rewind
+        f.truncate(0)
+        f.print(d)
+      end
+    end
+  end
+
+  def commit_bump
+    sh(%W[git commit -m Bump\ up\ to\ #{gemspec.version}
+          #{SOURCE_PATH}])
+  end
+
+  def version=(v)
+    gemspec.version = v
+    update_source_version
+    commit_bump
+  end
+end
+
+major, minor, teeny, dev = helper.gemspec.version.segments
+
+namespace :dev do
+  task "bump:teeny", ['dev'] do |_, args|
+    dev = args[:dev] and dev = ".#{dev}"
+    helper.version = Gem::Version.new("#{major}.#{minor}.#{teeny+1}#{dev}")
+  end
+
+  task "bump:minor", ['dev'] do |_, args|
+    dev = args[:dev] and dev = ".#{dev}"
+    helper.version = Gem::Version.new("#{major}.#{minor+1}.0#{dev}")
+  end
+
+  task "bump:major", ['dev'] do |_, args|
+    dev = args[:dev] and dev = ".#{dev}"
+    helper.version = Gem::Version.new("#{major+1}.0.0#{dev}")
+  end
+
+  task "bump" => "bump:teeny"
+
+  task "tag" do
+    helper.__send__(:tag_version)
+  end
+
+  task "require", ['version'] do |_, args|
+    version = args['version']
+    files = []
+    spec = helper.spec_path
+    content = File.read(spec)
+    if content.sub!(/\.required_ruby_version *= *Gem::Requirement.new\(">=\s*\K.*(?="\))/) do
+         [$&, version].max
+       end
+      File.write(spec, content)
+      files << spec
+    end
+    min_version = Gem::Version.new(version).segments[0, 2].join(".")
+    Dir.glob(".github/workflows/*.yml") do |yml|
+      content = File.read(yml)
+      if content.sub!(/^( +)ruby-versions:\n(?:(?:\1 +.*)?\n)*?\1 +min_version: \K.*/) do
+           [$&, min_version].max
+         end
+        File.write(yml, content)
+        files << yml
+      end
+    end
+    sh(*%w[git commit -m],
+       "Update minimum required version to #{version}",
+       *files)
+  end
+end