bug#45676: Store references inside compressed data

[Ludovic Courtès]

Hi,

Leo Famulari <leo@famulari.name> skribis:

> On Tue, Jan 05, 2021 at 03:36:07PM +0100, Miguel Ángel Arruga Vivas wrote:
>> There are several binary formats that allow compression of the
>> executable image, or some of its data, which is decompress at runtime:
>> 
>>   - Kernel images.
>>   - Compressed libraries: e.g. Smalltalk modules.
>>   - Compressed executable or data files: e.g. library.el.gz.
>> 
>> These aren't taken into account by the grafting process, which may lead
>> to issues when store paths are located inside that kind of files.
>
> If you have specific instances of this type of bug, please report them.

Agreed.  The general issue is “well known” as we say, but what I think
we need to do is look for specific instances and address them.

Ludo’.