Re: [PATCH 00/17] base-apt rework

[Jan Kiszka <jan.kiszka@siemens.com>]

On 28.10.19 18:01, [ext] Henning Schild wrote:
> From: Henning Schild <henning.schild@siemens.com>
> 
> This series build upon "[PATCHv2 0/9] a few cleanups a bug and a
> feature".
> 
> base-apt has two main issues that this series fixes:
>  - it relied on the rootfs /var/cache/apt to contain all *.debs
>   - this is only true of nobody cleaned up, could happen with hooks
>     like used in "isar-disable-apt-cache" or similar mechanisms
>  - it did not handle "dsc"s (source packages)
> 
> It had other minor issues that are described in the individual patches.
> 
> The series fixes those issues and extends CI to fully test base-apt.
> 
> The general mechanism used in the end is:
>  - split all apt-gets into a download and an execution phase
>  - copy out all download inbetween the two phases
>  - execution phase can now go ahead and possibly delete cached files
>    from the rootfs
>  - actually copy in everything "old" before the download phase
>  - that means the download phase potentially becomes a noop and we speed
>    up by using already downloaded files (new feature)
> 
> There are a few open points that i will mention later.
> 

Looks good from a higher perspective, but I guess we will have to play
with it. Are you preparing a v2 with all pending issues already? I'd
like to feed this into a could of scenarios, besides CI of course.

Thanks,
Jan

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