[PATCH/RFC v2 0/4] Fix fetch-pack command line overflow during clone

This patch series is against the latest "maint" branch. Please let me know if I need to rebase this on top of some other branch.

The problem we are fixing is described in the first patch in the series.

Changes since the original patch:

* add test cases
* add full commit messages
* fix formatting problem in --stdin doc
* split overly long fetch_pack_usage line
* use strbuf_getline() instead of fgets() for reading refs from stdin
* minor optimization of the pkt-line reading loop, it was using xstrdup()
  even though the string length was already known, use xmemdupz() instead
* rework the remote-curl.c patch to not add new parameters to rpc_service(),
  instead add a new strbuf member to rpc_state to pass the info around

Ivan Todoroski (4):
  fetch-pack: new --stdin option to read refs from stdin
  remote-curl: send the refs to fetch-pack on stdin
  fetch-pack: test cases for the new --stdin option
  remote-curl: main test case for the OS command line overflow

 Documentation/git-fetch-pack.txt |   10 ++++
 builtin/fetch-pack.c             |   45 ++++++++++++++++-
 fetch-pack.h                     |    3 +-
 remote-curl.c                    |   15 +++++-
 t/t5500-fetch-pack.sh            |  100 ++++++++++++++++++++++++++++++++++++++
 t/t5551-http-fetch.sh            |   32 ++++++++++++
 6 files changed, 201 insertions(+), 4 deletions(-)