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net/http: update ProxyFromEnvironment docs for HTTPS_PROXY addition 

LGTM=adg
R=adg
CC=golang-codereviews
https://golang.org/cl/142650043
This commit is contained in:
Brad Fitzpatrick 2014-09-24 17:39:00 -07:00
parent e59ad69a44
commit dfaf1f71e6
1 changed files with 10 additions and 3 deletions
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13
src/net/http/transport.go
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@ -116,10 +116,17 @@ type Transport struct {
// ProxyFromEnvironment returns the URL of the proxy to use for a
// given request, as indicated by the environment variables
// $HTTP_PROXY and $NO_PROXY (or $http_proxy and $no_proxy).
// An error is returned if the proxy environment is invalid.
// HTTP_PROXY, HTTPS_PROXY and NO_PROXY (or the lowercase versions
// thereof). HTTPS_PROXY takes precedence over HTTP_PROXY for https
// requests.
//
// The environment values may be either a complete URL or a
// "host[:port]", in which case the "http" scheme is assumed.
// An error is returned if the value is a different form.
//
// A nil URL and nil error are returned if no proxy is defined in the
// environment, or a proxy should not be used for the given request.
// environment, or a proxy should not be used for the given request,
// as defined by NO_PROXY.
//
// As a special case, if req.URL.Host is "localhost" (with or without
// a port number), then a nil URL and nil error will be returned.