[WIP PATCH 00/14] Protocol v2 patches

Hi David,

here are my patches for a protocol v2.

("Negotiate capabilities before doing anything else", or as code:

        static void upload_pack_version_2(void)
        {
                send_capabilities_version_2();
                receive_capabilities_version_2();

                /* The rest of the protocol stays the same, capabilities advertising
                   is disabled though. */
                advertise_capabilities = 0;
                upload_pack();
        }
)

They are rough and unfinished as you can see by the tailing WIPs. However the plumbing (upload-pack and fetch-pack) works and we'd need to integrate that into user porcelains, i.e. fetch, clone, push.

Also we need to add tests for all the options again, so we'd need to be smart about testing that.

I am not sure if it makes sense to integrate that with the http series, though.

Thanks, Stefan

Nguyễn Thái Ngọc Duy (1):
  upload-pack: make client capability parsing code a separate function

Stefan Beller (13):
  upload-pack.c: Refactor capability advertising
  upload-pack-2: Implement the version 2 of upload-pack
  connect: rewrite feature parsing to work on string_list
  transport: add infrastructure to support a protocol version number
  remote.h: add get_remote_capabilities, request_capabilities
  fetch-pack: move capability selection out of do_fetch_pack
  fetch-pack: factor out get_selected_capabilities_list
  fetch-pack: Add negotiate_capabilities
  do_fetch_pack: select capabilities for transport version 1 only
  builtin/fetch-pack: add argument for transport version
  Add test for fetch-pack
  WIP add test for git pull
  WIP test git fetch

 .gitignore             |   1 +
 Makefile               |   4 ++
 builtin/fetch-pack.c   |  20 ++++++-
 builtin/receive-pack.c |  15 +++--
 connect.c              | 141 +++++++++++++++++++++++++++++--------------
 connect.h              |   2 +-
 fetch-pack.c           | 102 ++++++++++++++++++++++++-------
 fetch-pack.h           |   7 +++
 remote.c               |   2 +
 remote.h               |   5 ++
 t/t5500-fetch-pack.sh  |  21 +++++++
 t/t5510-fetch.sh       |   5 ++
 t/t5520-pull.sh        |   6 ++
 transport-helper.c     |   1 +
 transport.c            |  20 ++++++-
 transport.h            |   8 +++
 upload-pack-2.c        |   1 +
 upload-pack.c          | 159 ++++++++++++++++++++++++++++++++++++-------------
 18 files changed, 403 insertions(+), 117 deletions(-)
 create mode 120000 upload-pack-2.c