[PATCH v2 0/8] packfile: avoid using the 'the_repository' global variable

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The `packfile.c` file uses the global variable 'the_repository' extensively
throughout the code. Let's remove all usecases of this, by modifying the
required functions to accept a 'struct repository' instead. This is to clean up
usage of global state.

The first 3 patches are mostly internal to `packfile.c`, we add the repository
field to the `packed_git` struct and this is used to clear up some useages of
the global variables.

The next 3 patches are more disruptive, they modify the function definition of
`odb_pack_name`, `has_object[_kept]_pack` and `for_each_packed_object` to receive
a repository, helping remove other usages of 'the_repository' variable.

Finally, the last two patches deal with global config values. These values are
localized.

This series is based off on master: 6a11438f43 (The fifth batch, 2024-10-25),
with 'jk/dumb-http-finalize' merged in. I found no issues merging this with seen,
but since these patches cover a lot of files, there might be some conflicts.

Since this tackles the topic in a new way compared to v1, I've avoided adding a
range-diff with the previous version.

Changes in v2:
- This version reduces the blast radius by not passing around the repository
struct to each function and instead pass it through the packed_git struct. Thanks
to Patrick for the tip.

Karthik Nayak (8):
  packfile: add repository to struct `packed_git`
  packfile: use `repository` from `packed_git` directly
  packfile: pass `repository` to static function in the file
  packfile: pass down repository to `odb_pack_name`
  packfile: pass down repository to `has_object[_kept]_pack`
  packfile: pass down repository to `for_each_packed_object`
  config: make `delta_base_cache_limit` a non-global variable
  config: make `packed_git_(limit|window_size)` non-global variables

 builtin/cat-file.c       |   7 +-
 builtin/count-objects.c  |   2 +-
 builtin/fast-import.c    |  15 ++--
 builtin/fsck.c           |  20 +++--
 builtin/gc.c             |   5 +-
 builtin/index-pack.c     |  20 +++--
 builtin/pack-objects.c   |  11 ++-
 builtin/pack-redundant.c |   4 +-
 builtin/repack.c         |   2 +-
 builtin/rev-list.c       |   2 +-
 commit-graph.c           |   4 +-
 config.c                 |  22 -----
 connected.c              |   3 +-
 diff.c                   |   3 +-
 environment.c            |   3 -
 environment.h            |   1 -
 fsck.c                   |   2 +-
 http.c                   |   4 +-
 list-objects.c           |   7 +-
 midx-write.c             |   2 +-
 midx.c                   |   2 +-
 object-store-ll.h        |   9 +-
 pack-bitmap.c            |   2 +-
 pack-objects.h           |   3 +-
 pack-write.c             |   1 +
 pack.h                   |   1 +
 packfile.c               | 185 ++++++++++++++++++++++++++-------------
 packfile.h               |  18 ++--
 promisor-remote.c        |   2 +-
 prune-packed.c           |   2 +-
 reachable.c              |   4 +-
 revision.c               |  13 +--
 tag.c                    |   2 +-
 33 files changed, 226 insertions(+), 157 deletions(-)

-- 
2.47.0





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