Quoting John Norvell <[EMAIL PROTECTED]>:
> https://sourceforge.net/projects/antcontrib/ extension library has the
> <if> task that uses conditions. Would you be able to use that?
>
Curiously enough, the whole point of needing to be able to do this is to
bootstrap ant-contrib without requiring it to be in a user's
${user.home}/.ant/lib directory. If it is there, then I'd just like to use it
(and not force the user, in this case, to define a path with an id called
"ant-contrib". See more on this below). If not, then I'd typedef it with a
user-defined path, with the id "ant-contrib", which would be required in the
absence of ant-contrib.jar in .ant/lib. It's all about flexibility.
Now, there would be no problem typedefing the ant-contrib stuff if missing
classpathrefs didn't cause failure even when the typedef's onerror is "ignore"
or "report". But it does fail, so I need to check if the reference is defined.
This would be the condition I mentioned previously.
So, as you can see, I need to be able to do this little bit without the help of
ant-contrib, since it won't be available until I bootstrap it. Hence, the
quest to find a way to return early from a macrodef, which is where I put the
<typedef>, to avoid invoking the <typedef> when ant-contrib.jar is already in
.ant/lib. Hence, avoiding the need force users to provide the path with id
"ant-contrib", which would have the ant-contrib.jar as one of its path
elements.
Besides this specific case, I can see an early return as being generally useful
anyway. So I'm quite curious to find out if it is possible using a scriptdef.
For more detailed info on typedef failing with a missing classpathref, even when
onerror is "ignore" or "report", see my previous post from a few days ago that
never got answered...
http://marc.theaimsgroup.com/?l=ant-user&m=116292805430859&w=2
Jake
> -J
>
> Jacob Kjome wrote:
> >
> > In a macrodef, if I check a condition and that condition is true, I'd like
> to
> > return early from the macrodef and not run any of the rest of its contents.
> Is
> > it possible using a <scriptdef> to write a script that can force an early
> return
> > from the <sequential> part of the macrodef if the condition is met? This
> is
> > kind of akin to an if/unless on a target. I'm not quite seeing where I
> would
> > be able to hook into Ant to do such a thing. Is it impossible? I hope
> not.
> >
> > BTW, I'm not talking about <fail/>. I don't want the build to end when the
> > condition is met. I just want to skip the rest of the <macrodef> contents
> and
> > continue processing.
> >
> >
> > Jake
> >
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>
>
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