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From "Anderson, Rob (Global Trade)" <Rob.Ander...@nike.com>
Subject RE: Ant Clearcase tasks
Date Tue, 02 Aug 2005 17:10:47 GMT
Jason, I am still using Ant, and I am still using ClearCase. While we currently are not using
the ClearCase Ant Tasks, we perhaps will be using them in the future. Your enhancements are
quite interesting. I have a new ClearCase related Ant feature that you might be interested
in: A ClearCase lsco FileSet selector, that can select files in a ClearCase view that are
currently checked out. The code is working and complete, however there are some things I need
to do in order to clean it up before it would be ready to commit. As it turns out, Curtis
White, one of the original authors of some of the ClearCase tasks, is a coworker of mine.
I believe he is responsible for the checkin and checkout tasks. I might be able to enlist
him in reviewing the enhancements you have proposed.

Ant Committers: Is this something you would consider commiting?

-Rob Anderson

> -----Original Message-----
> From: Jason Smith [mailto:jason.smith@zurichna.com]
> Sent: Tuesday, August 02, 2005 9:27 AM
> To: Rob.Anderson@nike.com
> Subject: Ant Clearcase tasks
> 
> 
> 
> Hi Rob.
> 
> Was wondering if you're still maintaining the ant clear case 
> tasks? I sent
> this email to the addresses on the javadoc for the clearcase 
> task. They all
> bounced except your old address.
> 
> Regards,
> Jason
> ---------------------- Forwarded by Jason Smith/ZI/USA/Zurich 
> on 08/02/2005
> 11:23 AM ---------------------------
> 
> 
> Jason Smith
> 08/02/2005 11:14 AM
> 
> To:    sean@cm-logic.com, Anderson.Rob@vectorscm.com,
>        spkane@genomatica.com, cwhite@aracnet.com
> cc:
> 
> Subject:    Ant Clearcase tasks
> 
> 
> Hello gentlemen.
> 
> Here at Zurich Insurance, we are fans of your ant tasks for clearcase.
> We've been using them in our nightly build tasks for several 
> years now.
> 
> I'd like to share with you an enhancement that we recently 
> made. We added a
> nested fileset element to the checkin, checkout, and 
> uncheckout tasks.  We
> had a task for our build where we were going to be doing more 
> automated
> code generation as part of our build and we really couldn't 
> figure out a
> better solution than to update the ant tasks to support filesets. The
> cleartool command for these tasks allow multiple files. The syntax is
> really simple, instead of just one file at the end of all the 
> commandline
> options, just start listing more files. This code is against the 1.6.5
> source.
> (See attached file: ClearCase.java)(See attached file: 
> CCCheckout.java)(See
> attached file: CCUnCheckout.java)(See attached file: CCCheckin.java)
> There were two design questions I wrestled with and would be 
> available to
> change the implementation if you thought there was a better 
> way. First,
> much of the logic for filesets would be shared across the three tasks.
> Should it go in a base class? I said yes. Should that base 
> class be the
> clearcase task even though other classes that don't use that 
> logic extend
> it? I also said yes. I thought it was consistent with the 
> handling of the
> viewpath argument which is basically the same situation. 
> There could be an
> argument to be made that viewpath has wider applicability 
> than the file set
> argument, but it seemed the core principal of a flat 
> heirarchy was more
> important than avoiding unneccessary inheritance. Second, 
> what should be
> the behaviour if both a fileset and a viewpath were 
> specified. Some ant
> tasks look at the two types of arguments as mutually 
> exclusive. Other tasks
> looks at them as additive. I decided to look at them at 
> additive. It just
> seemed to maximize the flexibility of the end user while 
> simplifying the
> code.
> 
> 
> I didn't know what was appropriate for updates to the documentation.
> I figured a short paragraph in the manual to the effect of:
> The cccheckout task supports a nested <a href="
> http://ant.apache.org/manual/using.html#path">FileSet</a> or DirSet
> element.
> 
> With a sample task like:
>             <cccheckout reserved="true">
>                   <fileset dir="${generate.src}">
>                         <include name="**/*.java"/>
>                         <exclude name="**/Log.java"/>
>                   </fileset>
>             </cccheckout>
> 
> I'd really like to see this enhancement get committed into 
> the code base.
> If there is some more work I should do to help with that 
> goal, please let
> me know. I'm still testing the tasks and getting them 
> integrated into our
> process, but wanted to contact you before I got too far into 
> it in case you
> had some suggestions on the implementation. Can somebody 
> please review and
> commit as appropriate?
> 
> Thanks,
> Jason Smith
> Zurich Insurance
> 
> 
> 
> 
> 
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> 
> 
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