Using polyglot extension

.gitignore

@@ -3,3 +3,4 @@ pom*xml
 pom*xml.bkp
 *.gem
 *.lock
+lib/extensions/

.mvn/extensions.xml

@@ -8,6 +8,6 @@
   <extension>
     <groupId>io.takari.polyglot</groupId>
     <artifactId>polyglot-ruby</artifactId>
-    <version>0.4.8</version>
+    <version>0.7.1</version>
   </extension>
 </extensions>

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar

Mavenfile

@@ -1,9 +1,26 @@
 # -*- mode:ruby -*-
 
 gemspec
-
 properties 'push.skip': true, 'jruby.version': '9.3.1.0'
 
+load File.join( basedir,'lib/maven/ruby/version.rb')
+
+jar "io.takari.polyglot:polyglot-ruby:#{Maven::Ruby::POLYGLOT_VERSION}", scope: :provided
+
+execute 'cleanup extensions', 'initialize' do |ctx|
+  FileUtils.rm_rf "#{ctx.project.build.directory}/../lib/extensions"
+end
+
+plugin :dependency do
+
+  execute_goal(:"copy-dependencies",
+               phase: 'prepare-package',
+               includeScope: :provided,
+               includeGroupIds: 'io.takari.polyglot',
+               outputDirectory: '${project.build.directory}/../lib/extensions')
+
+end
+
 profile :id => :release do
   properties 'maven.test.skip' => true, 'invoker.skip' => true
   properties 'push.skip' => false

README.md

@@ -56,7 +56,19 @@ other is closer to maven in its naming.
 
 it is licensed under (EPL-1.0)[https://www.eclipse.org/legal/epl-v10.html]
 
-## contributing #
+## building ##
+
+Prepare and pack the gem under ./pkg
+```
+./mvnw install
+```
+
+Push the gem to rubygems.org
+```
+./mvnw deploy -Prelease
+```
+
+## contributing ##
 
 1. Fork it
 2. Create your feature branch (`git checkout -b my-new-feature`)

lib/maven/ruby/version.rb

@@ -1,5 +1,6 @@
 module Maven
   module Ruby
-    VERSION = '3.3.12'.freeze
+    VERSION = '3.9.0'.freeze
+    POLYGLOT_VERSION = "0.7.1".freeze
   end
 end

lib/ruby_maven.rb

@@ -20,17 +20,16 @@
 #
 require 'maven'
 require 'maven/ruby/maven'
+require 'maven/ruby/version'
 
 module RubyMaven
-  POLYGLOT_VERSION = "0.1.15"
 
   def self.exec( *args )
     if File.exist?('settings.xml') and not args.member?('-s') and not args.member?('--settings')
       args << '-s'
       args << 'settings.xml'
     end
     if args.member?('-version') or args.member?('--version') or args.member?('-v')
-      warn "Polyglot Maven Extension #{version}"
       launch( '--version' )
     elsif defined? Bundler
       # it can be switching from ruby to jruby with invoking maven
@@ -58,40 +57,37 @@ def self.version
                          xml = File.read( File.join( dir, '.mvn/extensions.xml' ) )
                          xml.sub( /.*<version>/m, '' ).sub(/<\/version>.*/m, '' )
                        rescue Errno::ENOENT => e
-                         nil
+                         Maven::Ruby::POLYGLOT_VERSION
                        end
-    POLYGLOT_VERSION.replace(polyglot_version) if polyglot_version
-    POLYGLOT_VERSION
   end
 
   def self.launch( *args )
+    if args.member?('--version') or args.member?('--show-version')
+      warn "Polyglot Maven Extension #{Maven::Ruby::POLYGLOT_VERSION} via ruby-maven #{Maven::Ruby::VERSION}"
+    end
     old_maven_home = ENV['M2_HOME']
     ENV['M2_HOME'] = Maven.home
-
-    extensions = File.join( '.mvn/extensions.xml' )
-    if has_extensions = File.exist?( extensions )
-      # tests need copy instead of move
-      FileUtils.cp( extensions, extensions + ".orig" )
-    else
-      FileUtils.mkdir_p( '.mvn' )
+    ext_dir = File.join(Maven.lib, 'ext')
+    FileUtils.mkdir_p(ext_dir)
+    local_dir = File.join(__dir__, 'polyglot_jars')
+    Dir.new(local_dir).select do |file|
+      file =~ /.*\.jar$/
+    end.each do |jar|
+      source = File.join(local_dir, jar)
+      if jar =~ /polyglot-.*-#{Maven::Ruby::POLYGLOT_VERSION}.jar/
+        # ruby maven defines the polyglot version and this jar sets up its classpath
+        # i.e. on upgrade or downgrade the right version will be picked
+        FileUtils.cp(source, File.join(ext_dir, jar.sub(/-[0-9.]*(-SNAPSHOT)?.jar$/, '.jar')))
+      elsif not File.exists?(File.join(ext_dir, jar)) and not jar =~ /jruby-(core|stdlib).*/
+        # jar files are immutable as they carry the version
+        warn jar
+        FileUtils.cp(source, File.join(ext_dir, jar.sub(/-9.4.5.0/, '')))
+      end
     end
-    FileUtils.cp( File.join( dir, extensions ), extensions ) rescue nil
-
-    # setup version
-    self.version
 
     Maven.exec( *args )
 
   ensure
     ENV['M2_HOME'] = old_maven_home
-
-    FileUtils.rm_f( extensions )
-    if has_extensions
-      FileUtils.move( extensions + '.orig', extensions )
-    else
-      dir = File.dirname( extensions )
-      # delete empty .mvn directory
-      FileUtils.rm_rf( dir ) if Dir[File.join(dir, '*')].size == 0
-    end
   end
 end