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From Jason van Zyl <ja...@maven.org>
Subject Re: [PROPOSAL] Ivy
Date Tue, 24 Oct 2006 05:34:45 GMT
+1

On 23 Oct 06, at 2:03 PM 23 Oct 06, Xavier Hanin wrote:

> Hi All,
>
> After several weeks of discussion with our user community [1] and with
> several Apache members, I am proud to present a proposal [2] for  
> the open
> source project Ivy to join the Apache Incubator.
>
> I and all the Ivy team and user community hope you will consider this
> proposal carefully, and accept the project to join the foundation.
>
> Best regards,
> - Xavier Hanin
>
> [1] http://groups.google.com/group/ivy-future
> [2]
> = Ivy Proposal =
>
> The following presents the proposal for creating a new Ivy project  
> within
> the Apache Software Foundation.
>
> == Abstract ==
> Ivy (http://www.jayasoft.org/ivy) is a java based tool for tracking,
> resolving and managing project dependencies.
>
> == Proposal ==
> Ivy is a tool for managing (recording, tracking, resolving and  
> reporting)
> project dependencies. It is characterized by the following:
> 1) flexibility and configurability - Ivy is essentially process  
> agnostic
> and is not tied to any methodology or structure. Instead it  
> provides the
> necessary flexibility and configurability to be adapted to a broad  
> range of
> dependency management and build processes.
> 2) tight integration with Apache Ant - while available as a standalone
> tool, Ivy works particularly well with Apache Ant providing a  
> number of
> powerful Ant tasks ranging from dependency resolution to dependency
> reporting and publication.
>
> == Rationale ==
>
> Software development is increasingly characterized by leveraging  
> externally
> provided components/capabilities and by a rapid release cycle. As a  
> result
> it is not unusual for a project to depend on numerous third-party  
> components
> which themselves may be dependent on a multitude of third-party of  
> different
> or identical third-party components. Managing these dependencies -
> determining what the dependencies are, how they are used, the  
> impact of a
> change, conflicts among dependencies, etc. - is extremely difficult  
> and
> absolutely necessary. Ivy is one of a handful of tools addressing  
> this need.
> While often compared to Maven - which has similar Ant tasks - Ivy  
> differs
> from Maven in both its focus and philosophy. Ivy is solely focused on
> dependency management and is designed from the ground up to adapt  
> to a wide
> range of requirements and scenarios. Examples include multiple  
> aritfacts per
> module, plugin resolvers, configurable repository configurations and
> conflict managers.
>
> The maintainers of Ivy are interested in joining the Apache Software
> Foundation for several reasons:
>    * Ivy has been hosted since its beginning in 2004 by a private  
> company,
> which make people feel like it's a corporate product, thus slowing the
> contribution by the community. We strongly believe in the open source
> movement, and would like to make Ivy independent from Jayasoft.
>    * We'd like to enjoy the benefits of utilizing Apache's  
> infrastructure
> and legal protection.
>    * It might open the door for cooperation with other projects,  
> such as
> Ant or Maven.
>    * We strongly believe in Apache philosophy, especially Meritocracy.
>
> == Current status ==
> === Meritocracy ===
>
> Ivy was originally created by Xavier Hanin in September 2004. Since  
> then
> more than 20 users have contributed patches, and one of them has been
> promoted to the status of committer based on his merit through patch
> contribution.
>
> === Community ===
>
> Ivy already has a growing user community, with more than 10,000  
> downloads
> since its 1.0 version and more than 500 users registered on the forum.
>
> === Core Developers ===
>
> Ivy has only two core developers for the moment, but we hope  
> joining the ASF
> will help increase this number.
>
> Xavier Hanin is the creator of the project, is an independant  
> consultant and
> co founder of Jayasoft. He has an experience of 9 years in Java  
> software
> development, uses open source projects intensively, and started his  
> real
> participation in open source development with Ivy.
> Maarten Coene has joined the committer team in may 2006. He has an
> experience of 9 years in java development, is co-administrator of  
> dom4j,
> ex-committer for scarab, has contributed patches to several open- 
> source
> projects and is a user of a lot of open-source projects.
>
> === Alignment ===
>
> Ivy has no mandatory dependencies except java 1.4. However, it is  
> strongly
> recommended to be used with Ant. Ivy uses also other Apache projects,
> especially from Jakarta Commons.
>
> == Known risks ==
>
> === Orphaned products ===
> Due to its small number of committers, there is a risk of being  
> orphaned.
> The main knowledge of the codebase is still mainly owned by Xavier  
> Hanin.
> Even if Xavier has no plan to leave Ivy development, this is a  
> problem we
> are aware of and know that need to be worked on so that the project  
> become
> less dependent on an individual.
>
> === Inexperience with Open Source ===
> While distributed under an open source license, access to Ivy was  
> initially
> limited with no public access to the issue tracking system or svn
> repository. While things have changed since then - the svn  
> repository is
> publicly accessible, a JIRA instance has been setup since june  
> 2005, many
> new features are first discussed on the forum or JIRA - experience  
> with a
> true open source development model is currently limited.
> However, Maarten has already a good experience with true open  
> development
> process, and bring his experience to the project.
>
> === Homogenous Developers ===
> With only two core developers, at least they are not homogenous!  
> Xavier and
> Maarten knew each other only due to their common interest in Ivy.
>
> === Reliance on Salaried Developers ===
> Maarten is not paid to work on Ivy.
> Xavier's case is more complex, as a co founder of Jayasoft, part of  
> his time
> in Jayasoft was dedicated to Ivy and other open source  
> developments. He now
> works mainly as an independent consultant, and thus is not a salaried
> developer.
>
> === Relationships with Other Apache Products ===
> Ivy has a strong relationship with Apache Ant, and is often seen as  
> a good
> companion of Ant. Being part of Apache could help for a closer  
> collaboration
> between the two projects.
>
> === A Excessive Fascination with the Apache Brand ===
> Even if we recognize the strong value of the Apache Brand, the  
> purpose of
> joining Apache is not focused on improving the visibility of the  
> project.
> The main focus of this proposition is to make Ivy a more open  
> project, with
> a closer integration with Apache Ant. Even if Ivy does not join the  
> ASF, Ivy
> will move out of Jayasoft umbrella and try to attract more developers.
>
> == Documentation ==
> Further reading on Ivy can be found at:
> http://www.jayasoft.org/ivy
>
> == Initial Source ==
> The initial code base can be found at:
> http://svn.jayasoft.org/projects/tools/ivy
>
> == External Dependencies ==
> Ivy has no mandatory dependencies at runtime.
>
> For compilation, it requires:
> apache ant
> apache commons-httpclient
> apache commons-cli
> apache oro
> apache commons-vfs
> jcraft jsch  (BSD, already used by commons-vfs and by ant)
>
> == Required Resources ==
>
> === Mailing lists ===
> * ivy-private (with moderated subscriptions)
> * ivy-dev
> * ivy-user
>
> === Subversion Directory ===
> https://svn.apache.org/repos/asf/incubator/ivy
>
> === Issue Tracking ===
> JIRA Ivy (IVY)
> An import from existing JIRA issues at http://jira.jayasoft.org/  
> would also
> be very much appreciated
>
> == Initial Committers ==
> Xavier Hanin (xavier dot hanin at gmail dot com)
> Maarten Coene (maarten_coene at yahoo dot com)
>
> == Affiliations ==
> As stated in the Reliance on salaried developers section, Xavier is  
> a co
> founder of Jayasoft which used to host the project. However,  
> Jayasoft is
> shifting its focus to local consulting and thus won't be involved  
> anymore in
> open source development. The participation of Xavier in the project  
> is thus
> made as an individual, not as a member of Jayasoft. He also  
> strongly believe
> in the meritocracy principle, and he's ready to see it applied to the
> project whatever the consequence are for his own weight in the  
> project.
>
> == Sponsors ==
>
> === Champion ===
> Antoine Levy-Lambert
> Sylvain Wallez
>
> === Nominated Mentors ===
> Antoine Levy-Lambert
> Stephane Baillez
> Steve Loughran
>
> === Sponsoring Entity ===
> The Ant PMC has voted the following resolution:
> The Ant PMC sponsors Ivy moving to the Apache Incubator.
> If the Ivy community wishes to move Ivy to become an Ant subproject
> after successful incubation, and if the ASF board agrees to it, Ant
> will welcome Ivy as a subproject after the incubation period.


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