[PATCH v3 0/4] Support http proxy authentication

Hi, here is a new version of patch-set for supporting proxy
authentication on git, now doing proactive auth if the flag
is set and the proxy url has username, and also handling 407
error code by asking credentials (if necessary) and re-trying.

Patches 1/4 and 2/4 are same as previous version but with ammended
commit messages.

Please comment, thank you!

Nelson Benitez Leon (4):
  http: support proxies that needs authentication
  http: try http_proxy env var when http.proxy config option is not set
  http: handle proxy proactive authentication
  http: handle proxy authentication failure (error 407)

 http.c |   39 ++++++++++++++++++++++++++++++++++++++-
 1 files changed, 38 insertions(+), 1 deletions(-)

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1.7.7.6