Uncab task?

[Is...@ad-gency.com]

Is there an uncab task for ant?  I use a piece of 3rd party software which wants to work on a cab file, and I'm writing a wrapper set of ant tasks to generate the cab file from our subversion repository and need to un-cab the cab before committing changes.

I could execute cabarc myself but that seems so... messy

I saw this thread[1] from long ago and far away which asked about it, but no response to it.

I figured it'd be really easy to figure out how to write a task if I downloaded the source, if I used cab.java and unpack.java as reference, but Java frankly scares me spitless, and I'm not quite brave enough to do it myself just to avoid running cabarc from ant instead...

  Issac

[1] http://www.mail-archive.com/ant-dev@jakarta.apache.org/msg03943.html

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Re: Uncab task?

[Stefan Bodewig <bo...@apache.org>]

On 2010-02-04, <Is...@ad-gency.com> wrote:

> Is there an uncab task for ant?

None that I was aware of.

> I could execute cabarc myself but that seems so... messy

Hide the <exec> in a <macrodef> to feel better ;-)

> I figured it'd be really easy to figure out how to write a task if I
> downloaded the source, if I used cab.java and unpack.java as
> reference,

It probably wouldn't be that easy since the Unpack tasks and friends are
based on real Java libraries for the formats while the cab task is not
much more than a wrapper above exec that knows how to invoke cabarc on
Windows or listcab on other platforms.

A wrapper over cabarc for uncab wouldn't be too difficult if "extract
everything" is all you need.  But as soon as you start adding "extract
only files that match ..." or "extract only files that are newer than
the ones I have in my file system" or other subtelities it may become
more difficult.

Honstly I don't know either cabarc nor listcab well enough to know which
command line options I'd have at hand.  I'm not even sure listcab is
available today anymore.

Stefan

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