Re: [RFC 0/4] PoC for isar-apt repo reusing

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

On 02.09.21 11:58, Uladzimir Bely wrote:
> Currently, isar-apt repo is always rebuilt at second build when
> temporary files except the repo directory were deleted.
> 
> This patchset implements proof-of-concept of reusing isar-apt 
> repo previously built. The idea is to check that package already 
> exists in the repo and early exit tasks related to fetching/building.
> 
> Such approach doesn't remove any tasks from the queue, but changes
> their behvaior (early exit) in case of existing package found.
> 
> Uladzimir Bely (4):
>   meta-isar: Fix do_dpkg_build override for prebuild-deb recipe.
>   isar-apt: PoC of reusing isar-apt repo
>   ci: Test for isar-apt reuse
>   doc: Add section for isar-apt reuse functionality
> 
>  doc/user_manual.md                            | 23 ++++++
>  meta-isar/conf/local.conf.sample              |  4 ++
>  .../prebuilt-deb/prebuilt-deb_0.1.bb          |  2 +-
>  meta/classes/dpkg-base.bbclass                |  1 +
>  meta/classes/isar-apt-cache.bbclass           | 72 +++++++++++++++++++
>  scripts/ci_build.sh                           | 10 +++
>  6 files changed, 111 insertions(+), 1 deletion(-)
>  create mode 100644 meta/classes/isar-apt-cache.bbclass
> 

Sounds to me like there is overlap with Adriaan's experiments around
sstate cache. Guess he can comment on that (when he's back in office).

Patch 1 should likely be pulled out and merged independently - not
really an RFC, rather a fix, no?

Jan

-- 
Siemens AG, T RDA IOT
Corporate Competence Center Embedded Linux