[Nix-dev] builtins.toPath returns ... a string?

[Wout Mertens]

... But that was not right?
https://github.com/nixos/nix/commit/17dc306aa32c48dcde6bfc12ad5e4b48f6b88974
On May 22, 2014 9:47 PM, "Shea Levy" <shea at shealevy.com> wrote:

> Possibly relevant discussion: https://github.com/NixOS/nix/pull/47
> On Thu, May 22, 2014 at 09:04:19PM +0400, Kirill Elagin wrote:
> > The relevant commit is this:
> >
> https://github.com/NixOS/nix/commit/d7efd7639420f4c840cbfdfcbbb3c45292f3ac54
> > Looks like `toPath` is not only obsolete, but prohibited since semantics
> of
> > paths changed and now it makes no sense no convert something to a path.
> >
> >
> > --
> > Кирилл Елагин
> >
> >
> > On Thu, May 22, 2014 at 7:49 PM, Marc Weber <marco-oweber at gmx.de> wrote:
> >
> > > --eval-only --strict -xml output:
> > >
> > > of
> > >
> > >   {
> > >     s = "/home";
> > >     p = /home;
> > >     to_p = builtins.toPath "/home";
> > >   }
> > >
> > > Same
> > >
> > >   || <?xml version='1.0' encoding='utf-8'?>
> > >   || <expr>
> > >   ||   <attrs>
> > >   ||     <attr column="3" line="3" name="p" path="/tmp/test.nix">
> > >   ||       <path value="/home" />
> > >   ||     </attr>
> > >   ||     <attr column="3" line="2" name="s" path="/tmp/test.nix">
> > >   ||       <string value="/home" />
> > >   ||     </attr>
> > >   ||     <attr column="3" line="4" name="to_p" path="/tmp/test.nix">
> > >   ||       <string value="/home" />
> > >   ||     </attr>
> > >   ||   </attrs>
> > >   || </expr>
> > >
> > >
> > > primops.cc
> > >
> > >   /* Convert the argument to a path.  !!! obsolete? */
> > >   static void prim_toPath(EvalState & state, const Pos & pos, Value * *
> > > args, Value & v)
> > >   {
> > >       PathSet context;
> > >       Path path = state.coerceToPath(pos, *args[0], context);
> > >       mkString(v, canonPath(path), context);
> > >   }
> > >
> > > You may want to talk about your use case.
> > >
> > > Marc Weber
> > > _______________________________________________
> > > nix-dev mailing list
> > > nix-dev at lists.science.uu.nl
> > > http://lists.science.uu.nl/mailman/listinfo/nix-dev
> > >
>
> > _______________________________________________
> > nix-dev mailing list
> > nix-dev at lists.science.uu.nl
> > http://lists.science.uu.nl/mailman/listinfo/nix-dev
>
> _______________________________________________
> nix-dev mailing list
> nix-dev at lists.science.uu.nl
> http://lists.science.uu.nl/mailman/listinfo/nix-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.science.uu.nl/pipermail/nix-dev/attachments/20140523/eebd324f/attachment-0001.html