Nelson Benitez Leon 4e241d8920 http: try http_proxy env var when http.proxy config option is not set ...

cURL already reads it, but if $http_proxy has username but no password
cURL will not ask you for the password and so failed to authenticate
returning a 407 error code. So we read it ourselves to detect that and
ask for the password. Also we read it prior to connection to be able to
make a proactive authentication in case the flag http_proactive_auth is
set.

We also take care to read env proxy var according to protocol being
used in the destination url, e.g.  when the url to retrieve is a https
one, then the proxy env var we look at is https_proxy. To make this
possible we now passed destination url parameter to get_active_slot()
and get_curl_handle() functions.

We also read no_proxy env var so to ignore aforementioned proxy env var
if no_proxy contains an asterisk ('*') or contains the host used in url
destination.

Signed-off-by: Nelson Benitez Leon <nbenitezl@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2012-03-15 13:47:50 -07:00

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