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From: Andrew Bayer <andrew.bayer@gmail.com>
Date: Thu, 19 Mar 2015 15:20:23 -0700
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Subject: Re: [VOTE] Accept Groovy into the Apache Incubator
To: "general@incubator.apache.org" <general@incubator.apache.org>
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+1 (binding)

A.

On Thu, Mar 19, 2015 at 1:15 PM, Jean-Baptiste Onofr=C3=A9 <jb@nanthrax.net=
>
wrote:

> +1 (binding)
>
> Regards
> JB
>
>
> On 03/19/2015 07:55 AM, Roman Shaposhnik wrote:
>
>> Following the discussion earlier in the thread:
>>     http://s.apache.org/KWE
>>
>> I would like to call a VOTE for accepting Groovy
>> as a new incubator project.
>>
>> The proposal is available at:
>>      https://wiki.apache.org/incubator/GroovyProposal
>> and is also included at the bottom of this email.
>>
>> Vote is open until at least Saturday, 21st March 2015, 23:59:00 PST
>>
>>   [ ] +1 accept Groovy in the Incubator
>>   [ ] =C2=B10
>>   [ ] -1 because...
>>
>> Thanks,
>> Roman.
>>
>> =3D=3D Abstract =3D=3D
>> Groovy is an object-oriented programming language for the Java
>> platform. It is a language with features similar to those of Python,
>> Ruby, Java, Perl, and Smalltalk.
>> Groovy, if accepted by Incubator, will be a first major programming
>> language developed under the umbrella of Apache Software Foundation.
>>
>> =3D=3D Proposal =3D=3D
>> Groovy is a programming language for the Java platform. It is a
>> primarily dynamic language with features similar to those of Python,
>> Ruby, Perl, and Smalltalk. It also has optional static type checking
>> and static compilation facilities. It can be used as a scripting
>> language for the Java Platform or to write complete applications, is
>> compiled to Java Virtual Machine (JVM) bytecode, and interoperates
>> with other Java code and libraries. Groovy uses a Java-like
>> curly-bracket syntax. Most Java code is also syntactically valid
>> Groovy, although semantics may be different. Groovy has long been
>> developed under an Apache License v2.0 under an open governance
>> community management process. However, so far Groovy has been a
>> project mostly sponsored by a single company. This proposal aims at
>> bringing Groovy community under the umbrella of the Apache Software
>> Foundation.
>>
>> It must be explicitly noted, that a few sister projects such as Groovy
>> Eclipse and others (some of them hosted under
>> https://github.com/groovy and listed at
>> http://groovy-lang.org/ecosystem.html) are not covered by this
>> proposal. It is possible that these other projects will be joining ASF
>> either independently or as sub-projects of Apache Groovy in the
>> future. For now, we are only proposing groovy-core.
>>
>> =3D=3D Background =3D=3D
>> Groovy 1.0 was released on January 2, 2007, and Groovy 2.0 in July,
>> 2012. Groovy 2.5 is planned for release in 2015. Groovy 3.0 is planned
>> for release in 2016, with support for a new Meta Object Protocol.
>> Since version 2, Groovy can also be compiled statically, offering type
>> inference and performance very close to that of Java. Groovy 2.4 will
>> be the last major release under Pivotal Software's sponsorship, which
>> is scheduled to end on March 31, 2015.
>>
>> =3D=3D Rationale =3D=3D
>> Groovy is a pretty mature language. After 12 years of development, it
>> has grown from being primarily a dynamic scripting language on the JVM
>> to an optionally statically compiled language allowing the same
>> performance level as Java applications. With the release of Groovy
>> 2.4, the language targets the largest pool of mobile developers with
>> native Android support. Groovy has been integrated in a large number
>> of applications, including well known open-source projects like
>> Jenkins, Gradle, ElasticSearch, Spring and more.
>>
>> There are multiple alternative languages on the JVM: Scala, Clojure,
>> Ceylon, Kotlin, JRuby, Golo and others but Groovy is the only one
>> which has proved to be very easy to integrate with Java in both ways:
>> Groovy code using Java code, but also Java code using Groovy code.
>> Groovy even provides a joint compiler which allows interdependent Java
>> and Groovy classes to compile together. Groovy also supports dynamic
>> code generation, that is to say classes at runtime, making it a
>> perfect fit for scripting. With a very lightweight and malleable
>> syntax, it is also easy to build internal Domain Specific Languages
>> (DSLs) which integrate smoothly within applications.
>>
>> Groovy provides a number of unique features, like builders (Java 8 has
>> lambdas but still has syntactic overhead and no notion of delegate),
>> AST transformations (compile-time metaprogramming) or type checking
>> extensions (which allows the developer to bring the compiler to levels
>> of type checking and type inference that go far beyond what other
>> languages do). Groovy also provides powerful integration options and
>> customizations which set it apart from other languages. Groovy is also
>> unique in the way it allows the developer to choose between various
>> paradigms without compromise: functional vs object-oriented,
>> statically compiled vs dynamic, scripting vs applications, etc.
>>
>> Despite all those advantages, and the fact that Groovy is widely
>> adopted (4.5 million downloads in 2014 for Groovy alone), only a few
>> Apache projects include Groovy and not a lot of them leverage its full
>> power. Some developers tend to choose Scala for example to build DSLs
>> without even knowing that the learning curve is much easier with
>> Groovy, or that they can leverage powerful type inference in their own
>> DSLs.
>>
>> Android development is also a domain where the weight of Java and
>> old-style APIs is heavy. Groovy 2.4 has proved that Android
>> development could benefit from its closures, extension methods and
>> static compilation to build applications which are as fast as Java,
>> but with code which is much more maintainable and decoupled from
>> Android APIs. Code generation libraries like SwissKnife illustrate
>> what Groovy can offer for Android development. However, without
>> full-time development on this topic, Groovy has a very tough
>> competition with languages like Kotlin being intensively (and
>> privately) sponsored to target this platform. With Groovy joining
>> Apache, we hope that more developers would be able to join the effort
>> and help reduce the footprint of the language, build libraries that
>> leverage the full power of Groovy while fostering the long-term future
>> of the language.
>>
>>
>> =3D=3D Initial Goals =3D=3D
>> The initial goals of the Groovy transition under the ASF umbrella are
>> to establish a new home for an already fully functioning project and
>> also make sure that the entire development community governs itself in
>> the "Apache Way".
>>
>> Please note that a sister project of Groovy -- Grails -- is not part
>> of this proposal. If Grails community makes a decision to join ASF it
>> will do so as an independent, albeit related, project.
>>
>> =3D=3D Current Status =3D=3D
>> Currently Groovy provides a fully functional implementation licensed
>> under ALv2. The project home is at http://groovy-lang.org/ and the
>> majority of development is coordinated via GitHub
>> https://github.com/groovy. The project sports a very mature
>> documentation and ecosystem of projects leveraging it. In fact, quite
>> a few existing ASF project have various plugins or subsystems written
>> in Groovy (Bigtop, CloudStack, etc.).
>>
>> =3D=3D=3D Meritocracy =3D=3D=3D
>> Groovy, up to this, has been run by a few core project members with a lo=
t
>> of
>> contributions coming from a wide community of participants in the projec=
t.
>>
>> We want to expand our diverse developer and user community and run the
>> Groovy project in
>> the Apache way clearly signaling not only the licensing, but also the
>> governance choice.
>>
>> Users and new contributors will be treated with respect and welcomed;
>> they will earn
>> merit in the project by providing quality patches and support that
>> move the project forward.
>>
>> Those with a proven support and quality patch track record will be
>> encouraged to become committers.
>>
>> =3D=3D=3D Community =3D=3D=3D
>> There are just a few core team members with over a hundred
>> contributors to the project. If Groovy is accepted
>> by the Incubator, transitioning the community to embrace the Apache
>> Way of governance would be a primary initial goal.
>> We would solicit major existing contributors to become committers on
>> the project from the get go.
>>
>> =3D=3D=3D Core Developers =3D=3D=3D
>>
>> Core developers include folks who are extremely skilled in working in th=
e
>> openly
>> governed communities on code bases license under the ALv2. The core
>> developers are
>> NOT currently affiliated with the ASF, although quite a few contributors
>> are.
>>
>> =3D=3D=3D Alignment =3D=3D=3D
>>
>> Groovy has been integrated into Apache Bigtop, Apache CloudStack,
>> Apache Ofbiz and quite a few other projects.
>>
>> =3D=3D Known Risks =3D=3D
>> As noted above, development has been sponsored mostly by a single
>> company and coordinated
>> mostly by the core team so far.
>>
>> For Groovy to fully transition to an "Apache Way" governance model it
>> needs to
>> start embracing the meritocracy-centric way of growing the community
>> of contributors
>> while balancing it with the needs for extreme stability and coherency
>> of the core
>> language implementation.
>>
>> Groovy has historically been hosted at Codehaus. While the project has
>> started
>> to migrate off the Codehaus infrastructure, some critical tools of the
>> project are
>> still hosted there: JIRA, the mailing-list, and the deprecated wiki.
>> Codehaus has
>> announced end-of-support for mid-April, making the migration critical.
>>
>> =3D=3D=3D Orphaned products =3D=3D=3D
>>
>> The community proposing Groovy for incubation is a strong and vibrant
>> open source
>> project. Even though the sponsorship of the core team by Pivotal is
>> ending on March 31st,
>> the sheer size and diversity of the community is a guarantee against
>> the project being orphaned.
>>
>> =3D=3D=3D Inexperience with Open Source =3D=3D=3D
>> The majority of the proposers here have day jobs that has them working
>> near
>> full-time on open source projects. A few of us have helped carry
>> other projects through the Incubator.  Groovy to date has been developed
>> as
>> an open source project.
>>
>> =3D=3D=3D Homogeneous Developers =3D=3D=3D
>> Now that Pivotal is ending its sponsorship, the initial group of
>> committers
>> is going to be extremely heterogeneous when it comes to corporate
>> affiliations.
>> The Groovy community is also extremely diverse in terms of geography and
>> backgrounds of developers.
>>
>> =3D=3D=3D Reliance on Salaried Developers =3D=3D=3D
>> Most of the contributors are paid to work in the Java ecosystem.
>> While we might wander from our current employers, we probably won=E2=80=
=99t
>> go far from the Java family tree.
>>
>> =3D=3D=3D Relationships with Other Apache Products =3D=3D=3D
>> Groovy currently has a few ASF projects as optional dependencies but
>> otherwise doesn't depend on any ASF projects. A few
>> ASF projects already depend on Groovy.
>>
>> =3D=3D=3D An Excessive Fascination with the Apache Brand =3D=3D=3D
>> While we intend to leverage the Apache =E2=80=98branding=E2=80=99 when t=
alking to other
>> projects as testament of our project=E2=80=99s =E2=80=98neutrality=E2=80=
=99, we have no plans
>> for making use of Apache brand in press releases nor posting billboards
>> advertising acceptance of Groovy into Apache Incubator.
>>
>>
>> =3D=3D Documentation =3D=3D
>> See [[http://www.groovy-lang.org/documentation.html|documentation]]
>> for the current state of the Groovy
>> documentation.
>>
>> A mature project website is also available at
>> [[http://www.groovy-lang.org/|groovy-lang.org]].
>>
>> =3D=3D Initial Source =3D=3D
>> Initial source is available on GitHub under the ALv2
>> [[https://github.com/groovy/groovy-core|groovy-core]]
>>
>>
>> =3D=3D Source and Intellectual Property Submission Plan =3D=3D
>> We know of no legal encumberments in the way of transfer of source to
>> Apache. In fact, given the
>> series of corporate due diligence procedures performed on the source
>> code during two of the
>> acquisitions we expect the code base to be squeaky clean from an IP
>> perspective.
>>
>> =3D=3D External Dependencies =3D=3D
>> Embedded dependencies (relocated):
>>
>>     * Antlr 2, ANTLR 2 License (development branch includes Antlr4
>> using BSD license)
>>     * ASM, BSD
>>     * Openbeans (ALv2)
>>     * Apache Commons CLI (ALv2)
>>
>> Module or optional dependencies:
>>
>>     * Apache Ant (ALv2)
>>     * Apache Commons BSF (ALv2)
>>     * Apache Commons Logging (ALv2)
>>     * Apache Ivy (ALv2)
>>     * Apache Log4j (ALv2)
>>     * Apache Log4j 2 (ALv2)
>>     * JAnsi (ALv2)
>>     * JCommander (ALv2)
>>     * JLine 2 (BSD)
>>     * JUnit (EPL 1.0)
>>     * Logback (EPL 1.0)
>>     * QDox (ALv2)
>>     * SLF4J (MIT)
>>     * TestNG (ALv2)
>>
>> Build only dependencies:
>>
>>     * bnd (ALv2)
>>     * jarjar (ALv2)
>>     * Checkstyle (LGPL)
>>     * Cobertura (GPL)
>>     * Gradle (ALv2)
>>     * Asciidoctor (MIT)
>>     * Simian (http://www.harukizaemon.com/simian/get_it_now.html)
>>
>> Test only dependencies:
>>
>>     * Apache Commons HTTP Client (ALv2)
>>     * Apache Lucene (ALv2)
>>     * Eclipse OSGi (EPL 1.0)
>>     * GPars (ALv2)
>>     * HSQLDB (BSD)
>>     * JMock (jMock Project License)
>>     * OpenEJB (ALv2)
>>     * Spock (ALv2)
>>     * XMLUnit 1 (BSD)
>>     * XStream (BSD)
>>
>> Cryptography
>> N/A
>>
>> =3D=3D Required Resources =3D=3D
>>
>> =3D=3D=3D Mailing lists =3D=3D=3D
>>    * private@groovy.incubator.apache.org (moderated subscriptions)
>>    * commits@groovy.incubator.apache.org
>>    * dev@groovy.incubator.apache.org
>>    * issues@groovy.incubator.apache.org
>>    * user@groovy.incubator.apache.org
>>
>> =3D=3D=3D Git Repository =3D=3D=3D
>> https://git-wip-us.apache.org/repos/asf/incubator-groovy.git
>>
>> =3D=3D=3D Issue Tracking =3D=3D=3D
>> JIRA Groovy (GROOVY)
>>
>> =3D=3D=3D Other Resources =3D=3D=3D
>>
>> A build server is currently sponsored by Jetbrains (TeamCity):
>> http://ci.groovy-lang.org?guest=3D1
>> The CI server has a number of build plans including multiple JDKs (5
>> to 9), 3rd party joint builds and integration with the Groovy website
>> (automatic deployment upon push).
>>
>> Means of setting up regular builds for Groovy on builds.apache.org
>>
>> =3D=3D Initial Committers =3D=3D
>>    * C=C3=A9dric Champeau
>>    * Guillaume Laforge
>>    * Jochen Theodorou
>>    * Paul King
>>    * Pascal Schumacher
>>
>> =3D=3D Affiliations =3D=3D
>>    * Pivotal: C=C3=A9dric Champeau, Jochen Theodorou
>>    * Restlet: Guillaume Laforge
>>    * ASERT: Paul King
>>    * Pascal Schumacher
>>
>> =3D=3D Sponsors =3D=3D
>>
>> =3D=3D=3D Champion =3D=3D=3D
>> Roman Shaposhnik
>>
>> =3D=3D=3D Nominated Mentors =3D=3D=3D
>>    * Bertrand Delacretaz - Apache Member
>>    * Emmanuel Lecharny - Apache Member
>>    * Jim Jagielski - Apache Member
>>    * Roman Shaposhnik - Apache Member
>>    * Andrew Bayer - Apache Member
>>    * Konstantin Boudnik - IPMC Member
>>
>> Six mentors is plenty, we are not looking for more mentors at this time.
>>
>> =3D=3D=3D Sponsoring Entity =3D=3D=3D
>> We would like to propose Apache incubator to sponsor this project.
>>
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>>
>>
> --
> Jean-Baptiste Onofr=C3=A9
> jbonofre@apache.org
> http://blog.nanthrax.net
> Talend - http://www.talend.com
>
>
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