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Re: [PATCH 08/13] tmp-objdir: manage quarantine as an object directory

From
Karthik Nayak <karthik.188@gmail.com>
Date
Oct 6, 2026, 20:27 UTC
Message-ID
<CAOLa=ZSXdYjfX3Q=e9CTq6d7bLReZZD9QECUWYKqe3RJFttUCA@mail.gmail.com>
In-Reply-To
<CAOLa=ZT7tOCBtd3hHfXgkFaqgMgCt99HquD=hZ7WB0g3PbErKg@mail.gmail.com>
Karthik Nayak <karthik.188@gmail.com> writes:
Show 14 quoted lines
> Patrick Steinhardt <ps@pks.im> writes:
>
>> When creating a quarantine directory via the "tmp-objdir" subsystem we
>> create a new "files" backend that new objects part of the transaction
>> can be written to. In a future commit though we'll move handling of
>> alternates into the "files" backend, and as part of that it will no
>> longer be possible for us to have multiple sources attached to a single
>> object database.
>
> I understand the moving of the alternates to the files source, I didn't
> grasp the need for removal of multiples sources from the object
> database. Wouldn't it hypothetically make sense to have different
> sources which use different strategies based on the type of objects?
>
I see this is explained further down in 12/13, so ignore this!
Show 14 quoted lines
>> In a preceding commit, we have prepared the "files" backend to be able
>> to handle multiple object directories. We don't use that mechanism for
>> alternates yet, but will start doing so in a subsequent commit. But with
>> that infrastructure ready we can already migrate tmp-objdirs over to use
>> this new mechanism.
>>
>> Adapt the subsystem so we create a `struct odb_files_dir` instead of a
>> new "files" source.
>>
>> Signed-off-by: Patrick Steinhardt <ps@pks.im>
>
> [snip]
>
> The changes themselves look good to me!
Previous: Karthik NayakNext: Patrick Steinhardt
Message 17 of 41 in “odb/source-files: move alternates into the backend”
  1. 00/13 odb/source-files: move alternates into the backendPatrick Steinhardt, Oct 2, 2026
  2. 01/13 commit-graph: require resolved packfile paths for `stdin_packs`Patrick Steinhardt, Oct 2, 2026
  3. Karthik NayakOct 5, 2026
  4. Patrick SteinhardtOct 6, 2026
  5. 02/13 commit-graph: stop depending on `struct odb_source`Patrick Steinhardt, Oct 2, 2026
  6. Karthik NayakOct 5, 2026
  7. Patrick SteinhardtOct 6, 2026
  8. Karthik NayakOct 6, 2026
  9. 03/13 odb/source-files: introduce `struct odb_files_dir`Patrick Steinhardt, Oct 2, 2026
  10. 04/13 odb: refactor `odb_for_each_alternate()` to yield dirsPatrick Steinhardt, Oct 2, 2026
  11. Karthik NayakOct 6, 2026
  12. 05/13 odb: refactor `odb_find_source()` to yield dirsPatrick Steinhardt, Oct 2, 2026
  13. 06/13 odb/source-files: add the ability to have multiple object dirsPatrick Steinhardt, Oct 2, 2026
  14. 07/13 tmp-objdir: absorb logic to set and restore primary sourcesPatrick Steinhardt, Oct 2, 2026
  15. 08/13 tmp-objdir: manage quarantine as an object directoryPatrick Steinhardt, Oct 2, 2026
  16. Karthik NayakOct 6, 2026
  17. Karthik NayakOct 6, 2026
  18. 09/13 tmp-objdir: replace primary source at creation timePatrick Steinhardt, Oct 2, 2026
  19. 10/13 odb/source: make `will_destroy` an implementation detailPatrick Steinhardt, Oct 2, 2026
  20. 11/13 odb/source-files: extract reading alternatesPatrick Steinhardt, Oct 2, 2026
  21. 12/13 odb/source-files: move alternates into the backendPatrick Steinhardt, Oct 2, 2026
  22. Karthik NayakOct 6, 2026
  23. Patrick SteinhardtOct 7, 2026
  24. 13/13 odb/source: drop `read_alternates` callbackPatrick Steinhardt, Oct 2, 2026
  25. Karthik NayakOct 6, 2026
  26. Patrick SteinhardtOct 7, 2026
  27. 00/13 odb/source-files: move alternates into the backendPatrick Steinhardt, Oct 8, 2026
  28. 01/13 commit-graph: require resolved packfile paths for `stdin_packs`Patrick Steinhardt, Oct 8, 2026
  29. 02/13 commit-graph: stop depending on `struct odb_source`Patrick Steinhardt, Oct 8, 2026
  30. 03/13 odb/source-files: introduce `struct odb_files_dir`Patrick Steinhardt, Oct 8, 2026
  31. 04/13 odb: refactor `odb_for_each_alternate()` to yield dirsPatrick Steinhardt, Oct 8, 2026
  32. 05/13 odb: refactor `odb_find_source()` to yield dirsPatrick Steinhardt, Oct 8, 2026
  33. 06/13 odb/source-files: add the ability to have multiple object dirsPatrick Steinhardt, Oct 8, 2026
  34. 07/13 tmp-objdir: absorb logic to set and restore primary sourcesPatrick Steinhardt, Oct 8, 2026
  35. 08/13 tmp-objdir: manage quarantine as an object directoryPatrick Steinhardt, Oct 8, 2026
  36. 09/13 tmp-objdir: replace primary source at creation timePatrick Steinhardt, Oct 8, 2026
  37. 10/13 odb/source: make `will_destroy` an implementation detailPatrick Steinhardt, Oct 8, 2026
  38. 11/13 odb/source-files: extract reading alternatesPatrick Steinhardt, Oct 8, 2026
  39. 12/13 odb/source-files: move alternates into the backendPatrick Steinhardt, Oct 8, 2026
  40. 13/13 odb/source: drop `read_alternates` callbackPatrick Steinhardt, Oct 8, 2026
  41. Karthik NayakOct 8, 2026

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