Bug#876478: ben tracker --global-conf <path> ignores settings

[Mehdi Dogguy <mehdi@dogguy.org>]

On 2018-05-14 18:46, Sebastiaan Couwenberg wrote:
> On 05/14/2018 08:26 AM, Mehdi Dogguy wrote:
> > On 2018-05-14 08:01, Sebastiaan Couwenberg wrote:
> > > Unfortunately that doesn't apply cleanly on top of 0.7.4 for stretch. 
> > > If
> > > you can provide a rebased commit for 0.7.4 I'm willing to test that.
> >
> > No problem. Here it is (attached). Thanks for your tests!
>
> Thanks for the patch, it doesn't seem to work as expected, though.
>
> `ben tracker` downloads the Packages & Sources files again even when
> `ben download` downloaded them just before. It also uses the current
> working directory for the downloaded files instead of the cache-dir 
> from
> the global.conf.
>
> It looks like this is caused by the custom template that was built with
> the old ben, because switching the template to debianrt in global.conf
> results in the expected behaviour.

Indeed. I didn't explain fully how to apply the patch. My apologies.

The only effect of my second patch is to build templates differently to
avoid linking and include all Ben's library. So in order to have this
bug fixed, templates must be recompiled.

> Rebuilding the template fails when executed from the root of the git
> directory:
>
>  $ ocamlbuild -pkg ben debiangis.cmxs
>  + /usr/bin/ocamlopt unix.cmxa -I /usr/lib/ocaml/ocamlbuild
> /usr/lib/ocaml/ocamlbuild/ocamlbuildlib.cmxa -I /usr/lib/ocaml -I
> /usr/lib/ocaml/ben -I /usr/lib/ocaml/bytes -I /usr/lib/ocaml/ocamlgraph
> -I /usr/lib/ocaml/pcre -I /usr/lib/ocaml/tyxml -I /usr/lib/ocaml/uutf
> /usr/lib/ocaml/unix.cmxa /usr/lib/ocaml/pcre/pcre.cmxa
> /usr/lib/ocaml/ocamlgraph/graph.cmxa /usr/lib/ocaml/str.cmxa
> /usr/lib/ocaml/uutf/uutf.cmxa /usr/lib/ocaml/tyxml/tyxml.cmxa
> /usr/lib/ocaml/ben/benl.cmxa myocamlbuild.ml
> /usr/lib/ocaml/ocamlbuild/ocamlbuild.cmx -o myocamlbuild
>  File "myocamlbuild.ml", line 1:
>  Error: Files /usr/lib/ocaml/unix.cmxa and /usr/lib/ocaml/unix.cmxa
>         both define a module named Unix

It is true that the fix needs a documentation update to specify how
templates should be built. I'll send you one very soon.

If you have an already built plugin, you may use the 
/usr/lib/ocaml/expunge
tool to hide/remove non-necessary modules (that you can list using
ocamlobjinfo). But, in any case, I'll provide a new procedure to build
custom plugins.

Regards,

--
Mehdi