[PATCH v4 00/10] Partial clone part 2: fsck and promisors

[Jeff Hostetler <git@jeffhostetler.com>]

From: Jeff Hostetler <jeffhost@microsoft.com>

This is part 2 of a 3 part sequence for partial clone.
Part 2 assumes part 1 is in place.

This patch series is labeled V4 to keep it in sync with the
V4 version of part 1.  (There was no V3 of this part.)

Part 2 is concerned with fsck, gc, initial support for dynamic
object fetching, and tracking promisor objects.  Jonathan Tan
originally developed this code.  I have moved it on top of
part 1 and updated it slightly.

Jonathan Tan (10):
  extension.partialclone: introduce partial clone extension
  fsck: introduce partialclone extension
  fsck: support refs pointing to promisor objects
  fsck: support referenced promisor objects
  fsck: support promisor objects as CLI argument
  index-pack: refactor writing of .keep files
  introduce fetch-object: fetch one promisor object
  sha1_file: support lazily fetching missing objects
  rev-list: support termination at promisor objects
  gc: do not repack promisor packfiles

 Documentation/git-pack-objects.txt             |  12 +-
 Documentation/gitremote-helpers.txt            |   6 +
 Documentation/rev-list-options.txt             |  12 +-
 Documentation/technical/repository-version.txt |  12 +
 Makefile                                       |   1 +
 builtin/cat-file.c                             |   2 +
 builtin/fetch-pack.c                           |  10 +
 builtin/fsck.c                                 |  26 +-
 builtin/gc.c                                   |   3 +
 builtin/index-pack.c                           | 113 ++++----
 builtin/pack-objects.c                         |  36 +++
 builtin/prune.c                                |   7 +
 builtin/repack.c                               |   8 +-
 builtin/rev-list.c                             |  74 +++++-
 cache.h                                        |  13 +-
 environment.c                                  |   1 +
 fetch-object.c                                 |  26 ++
 fetch-object.h                                 |   6 +
 fetch-pack.c                                   |   8 +-
 fetch-pack.h                                   |   2 +
 list-objects.c                                 |  29 ++-
 object.c                                       |   2 +-
 packfile.c                                     |  77 +++++-
 packfile.h                                     |  13 +
 remote-curl.c                                  |  14 +-
 revision.c                                     |  33 ++-
 revision.h                                     |   5 +-
 setup.c                                        |   7 +-
 sha1_file.c                                    |  38 ++-
 t/t0410-partial-clone.sh                       | 343 +++++++++++++++++++++++++
 transport.c                                    |   8 +
 transport.h                                    |   8 +
 32 files changed, 872 insertions(+), 83 deletions(-)
 create mode 100644 fetch-object.c
 create mode 100644 fetch-object.h
 create mode 100755 t/t0410-partial-clone.sh

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2.9.3