ports with bootstrapping dependencies

Landon Fuller landonf at macports.org
Fri Jun 29 11:33:38 PDT 2007

On Jun 26, 2007, at 11:39 PM, Ryan Schmidt wrote:

> On Jun 25, 2007, at 09:46, Taylor R Campbell wrote:
>> Actually, it occurs to me that it's not really necessary to declare a
>> dependency -- that it would suffice for the variant to have a command
>> that checks for the existence of an executable by some name, and to
>> refuse to continue if this command fails.
> I haven't really followed why all this complexity with the multiple  
> scheme ports is required -- I realize you tried to spell it out in  
> your first email but it was a bit much for me at the moment.
> But assuming it really is required, then yes, this is the method  
> that occurred to me as well: just test for the file's existence in,  
> say, the pre-fetch phase, and fail if not found. I don't, however,  
> know the portfile syntax for checking for a file's existence.
>> There was some recent
>> discussion about a `ui_fatal' command by which to fail, although I
>> understand that it was simply a proposal not yet implemented.  Does
>> this sound plausible, however?
> Not really needed, though, either. Just do ui_error "the message"  
> followed by exit 1. And, again, do this in the pre-fetch phase.

Calling "exit" from a Portfile will cause any front-end using the  
dports API to exit, no? That seems bad form.

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