On Thu, Dec 23, 2010 at 4:15 PM, Robert Goldman <rpgold...@sift.info> wrote:
> I think that this change may be annoying to Unix[1] *users* who start up > their lisp from the shell, and who have expectations about how their > lisp implementation is going to set the *default-pathname-defaults* from > the current working directory. > > This change would not break any systems, but it would break some users' > conventional usage patterns. I don't see that any benefit is provided > that would compensate for that. And I don't see that there is a > problem: this only kicks in when people have failed to provide a usable > path to their systems. For some people, with some usage patterns and > some choice of implementation, the current behavior will provide a > desirable outcome. For others, they are no worse off (so ASDF looks > someplace stupid where there will be no .asd files, consuming some > minimal amount of cycles in an error case). > > Furthermore, vendors/implementors for whom *default-pathname-defaults* > will not be usefully set, may feel free to define appropriate behaviors. > > So I'm not convinced that ASDF is broke, and request that we not fix it. > > Best, > r > > > [1] by this I mean the broadest sense of the word, to cover Linux, the > BSD family, and Mac OS X. > > _______________________________________________ > asdf-devel mailing list > asdf-devel@common-lisp.net > http://common-lisp.net/cgi-bin/mailman/listinfo/asdf-devel > Robert, I'm not arguing that ASDF is broken, rather that the default behavior is not explicitly defined. The benefit I envision is defined behavior versus implementation dependent behavior. I acknowledge that the benefit may not justify the change. If the concern is for users that rely on *DEFAULT-PATHNAME-DEFAULTS*, though, I think the internals can be modified to result in defined behavior while still respecting the value of *DEFAULT-PATHNAME-DEFAULTS* when it is defined. I think the change can be made in a way that is transparent to the users. I don't really think of this as a bug and probably should have brought it up here before entering it in launchpad. I'm really just interested in bringing it up to discuss and getting feedback. I have a local git branch of ASDF that I work from and will develop my ideas there. I installed VirtualBox and will work on testing it on Linux as well. Thanks, ~ Tom ---------------------------------------------------------------- Thomas M. Hermann Odonata Research LLC http://www.odonata-research.com/ http://www.linkedin.com/in/thomasmhermann
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