bug#47628: webkitgtk-2.32.0 fails to launch without /usr/bin

[Efraim Flashner <efraim@flashner.co.il>]

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On Tue, Apr 13, 2021 at 03:22:47PM -0400, Mark H Weaver wrote:
> Hi Efraim,
> 
> Efraim Flashner <efraim@flashner.co.il> writes:
> 
> > On Thu, Apr 08, 2021 at 11:07:31AM -0400, Mark H Weaver wrote:
> >> I suspect that the relevant bit that needs to be changed is line 779 of
> >> the following file in the webkitgtk-2.32.0 source code:
> >> 
> >>   Source/WebKit/UIProcess/Launcher/glib/BubblewrapLauncher.cpp
> >> 
> >> Most likely, that line can simply be deleted.  Here's the relevant
> >> excerpt, with line 779 marked by "==>":
> >
> > Looking at the other lines above it, we could just change it from
> > ro-bind to ro-bind-try.
> 
> I expect that would work, but why should we give the sandbox access to
> /usr/bin at all?  I took a different approach: I removed access to *all*
> of the FHS directories, since they should not be needed for a
> Guix-compiled package.
> 
> Below, I've attached the patch that I'm currently using successfully on
> my private branch of Guix.
> 
> What do you think?
> 

Since we should be linking to any libraries we need anyway and patching
any calls out to other binaries then I suppose this should work. I
suggested ro-bind-try to minimize the patch size.


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