On Fri, Nov 09, 2018 at 12:11:34AM +0100, Björn Höfling wrote:
> On Thu, 08 Nov 2018 09:50:23 +0100
> ludo@gnu.org (Ludovic Courtès) wrote:
> 
> > Hello,
> > 
> > Danny Milosavljevic <dannym@scratchpost.org> skribis:
> > 
> > > I think it would be good to have guix check for closed-source
> > > binaries after unpacking, automatically (including jar files with
> > > class files in them).  
> > 
> > Oh right, jars are certainly quite common, more than .so files.
> > 
> > >> > No idea if it's worth the trouble/performance hit/false-positive
> > >> > rate, of course. That's for the ner^Wgods to decide.    
> > >> 
> > >> Yeah I wonder if it would be fruitful.  
> > >
> > > Marking known-good binaries (whitelisting) is still better than
> > > hoping we notice some closed-source binary (blacklisting).
> > >
> > > It would be a conspicious reminder of what we still have to do - as
> > > opposed to the situation now where it's mostly in someone's head
> > > (if at all).  
> > 
> > Yeah, that makes sense.
> > 
> > What about adding such a phase in %standard-phases in
> > core-updates-next? I guess it could check for files that match
> > ‘elf-file?’ or ‘ar-file?’ and for *.jar.  WDYT?
> > 
> > We must make add a keyword parameter in ‘gnu-build-system’ to make it
> > easy to disable it and/or to skip specific files.
> 
> That is definitively a good idea.
> 
> One of my review-tasks is this:
> 
> [] Binaries included? If yes, created a snipped?
>    find . -name "*.rar" -or -name "*.pdf" -or -name "*.bin" -or -name "*.pdf" -or -name "*.dsy" -or -name "*.jar" -or -name "*.exe" 

also "*.so" or "*.a" I assume.

For python we'd want to grep the source files for "Generated by Cython"

> 
> Should this be a phase of the build system? Or just a linter, that was
> my first idea?

I'd go with a phase

> 
> If it is a build-system-phase, it should probably go to core-updates
> and beforehand someone must rebuild the world. I'm sure at least for
> Java there are some JARs remaining and I had the plan to fold-packages
> through them, but that had low priority.
> 
> Björn



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