vendor: update all dependencies

vendor/github.com/mattn/go-ieproxy/ieproxy.go

@@ -0,0 +1,51 @@
+// Package ieproxy is a utility to retrieve the proxy parameters (especially of Internet Explorer on windows)
+//
+// On windows, it gathers the parameters from the registry (regedit), while it uses env variable on other platforms
+package ieproxy
+
+import "os"
+
+// ProxyConf gathers the configuration for proxy
+type ProxyConf struct {
+	Static    StaticProxyConf // static configuration
+	Automatic ProxyScriptConf // script configuration
+}
+
+// StaticProxyConf contains the configuration for static proxy
+type StaticProxyConf struct {
+	// Is the proxy active?
+	Active bool
+	// Proxy address for each scheme (http, https)
+	// "" (empty string) is the fallback proxy
+	Protocols map[string]string
+	// Addresses not to be browsed via the proxy (comma-separated, linux-like)
+	NoProxy string
+}
+
+// ProxyScriptConf contains the configuration for automatic proxy
+type ProxyScriptConf struct {
+	// Is the proxy active?
+	Active bool
+	// PreConfiguredURL of the .pac file.
+	// If this is empty and Active is true, auto-configuration should be assumed.
+	PreConfiguredURL string
+}
+
+// GetConf retrieves the proxy configuration from the Windows Regedit
+func GetConf() ProxyConf {
+	return getConf()
+}
+
+// OverrideEnvWithStaticProxy writes new values to the
+// `http_proxy`, `https_proxy` and `no_proxy` environment variables.
+// The values are taken from the Windows Regedit (should be called in `init()` function - see example)
+func OverrideEnvWithStaticProxy() {
+	overrideEnvWithStaticProxy(GetConf(), os.Setenv)
+}
+
+// FindProxyForURL computes the proxy for a given URL according to the pac file
+func (psc *ProxyScriptConf) FindProxyForURL(URL string) string {
+	return psc.findProxyForURL(URL)
+}
+
+type envSetter func(string, string) error