Re: [PATCH 0/2] prevent `repack` to unpack and delete promisor objects

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Rafael Silva <rafaeloliveira.cs@xxxxxxxxx> writes:

> This series is built on top of jk/promisor-optim. It conflicts with
> changes on p5600 otherwise.
>
> The following patches fixes the issue where we unnecessarily turn loose
> all the promisor objects and deletes them right after when running
> `repack -A -d ..` (via `git gc) for a partial repository. 
>
> Special thanks to Peff, for proposing a better approach for managing
> the situation and for Jonathan Tan for earlier interaction on the
> solution. Previously, I thought we should skip the promisor objects
> by just adding a check in loosened_object_can_be_discarded(). However,
> Peff pointed out that we can do better by realizing much sooner that
> we should not even consider loosening the objects for the _old_ promisor
> packs.
>
> It took me a bit to come up with the test because it seems `repack`
> doesn't offer an option to skip the "deletion of unpacked objects",
> so this series adds a new option to `repack` for skip the
> `git prune-packed` execution thus allowing us to easily inspect the
> unpacked objects before they are removed and simplification of our
> test suite. Furthermore, The test will now test the `repack` code
> path instead of performing the operations by calling
> `pack-objects`.

Beautiful.  Thanks for working so well together, all of you.


> Rafael Silva (2):
>   repack: teach --no-prune-packed to skip `git prune-packed`
>   repack: avoid loosening promisor pack objects in partial clones
>
>  Documentation/git-repack.txt  |  5 +++++
>  builtin/repack.c              | 15 ++++++++++++---
>  t/perf/p5600-partial-clone.sh |  4 ++++
>  t/t5616-partial-clone.sh      |  9 +++++++++
>  t/t7700-repack.sh             | 23 +++++++++++------------
>  5 files changed, 41 insertions(+), 15 deletions(-)



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