Re: ghc-pkg 6.2 incorrectly parses commas within quotes

Last month I wrote:

> The 6.2 version of ghc-pkg is incorrectly parses commas within quotes. 
> Here's a simple example:
> 
> $ echo 'Package {name="ptest",extra_ld_opts=["a,b,c"]}' | sudo ghc-pkg -a
> $ ghc-pkg -s ptest
> Package
>    {name = "ptest",
>     auto = False,
>     import_dirs = [],
>     source_dirs = [],
>     library_dirs = [],
>     hs_libraries = [],
>     extra_libraries = [],
>     include_dirs = [],
>     c_includes = [],
>     package_deps = [],
>     extra_ghc_opts = [],
>     extra_cc_opts = [],
>     extra_ld_opts = ["a", "b", "c"],
>     framework_dirs = [],
>     extra_frameworks = []}
> 
> This breaks JVM-Bridge, because I have a line that looks like this:
> 
>   extra_ld_opts =
>      [
>      "-Wl,-rpath,/usr/lib/jvm-bridge/lib/",
>      "-Wl,-rpath,/usr/lib/j2sdk1.4.1_02/jre/lib/i386/",
>      "-Wl,-rpath,/usr/lib/j2sdk1.4.1_02/jre/lib/i386/client/"
>      ]
> 
> It worked fine in 6.0. I also can't think of a robust workaround, i.e. 
> one that would work with a correct ghc-pkg.

And also:

> In article <40016305.4040402@xxxxxxxxx>,
>  Sven Panne <Sven.Panne@xxxxxxxxx> wrote:
> 
> > which is plainly wrong. Now we do this *only* when a variable occurs on its 
> > own,
> > like:
> > 
> >     ["${deps}","foo"] => ["base","haskell98","network","foo"]
> > 
> > I have slight doubts about this obscure feature, but Sigbjorn seems to want
> > it...
> 
> Might it not be better to do it this way?
> 
>   deps = base,haskell98,network
> 
>   [${deps},"foo"] => (expand $-reference)
>   [base,haskell98,network,"foo"] => (quote things)
>   ["base","haskell98","network","foo"]
> 
> The idea is that unquoted things get implicitly quoted, so you don't 
> need to quote ${deps}.

Any word on whether this has been/will be fixed? It's breaking 
JVM-Bridge and there's no obvious clean workaround. Personally I'd 
favour tossing this "feature" altogether, but I'd be happy if it could 
at least be made less harmful.

-- 
Ashley Yakeley, Seattle WA