Added support to http and https proxies on bootstrap. Variables are read from environment vars http_proxy and https_proxy.

bootstrap

@@ -82,6 +82,7 @@ extract(Binary) ->
     {ok, Contents}.
 
 request(Url) ->
+    setHttpcOptions(),
     case httpc:request(get, {Url, []},
                        [{relaxed, true}],
                        [{body_format, binary}]) of
@@ -91,6 +92,47 @@ request(Url) ->
             Error
     end.
 
+setHttpcOptions() ->
+    %% Get http_proxy and https_proxy environment variables
+    case os:getenv("http_proxy") of
+        false ->
+            Http = "";
+        Http ->
+            Http
+    end,
+    case os:getenv("https_proxy") of
+        false ->
+            Https = "";
+        Https ->
+            Https
+    end,
+
+    %% Parse the variables to extract host and port
+    Opts = [],
+    case http_uri:parse(Http) of
+        {ok,{_, [], Host, Port, _, []}} ->
+            Opts1 = Opts ++ [{proxy, {{Host, Port}, []}}];
+        {error, _} ->
+            Opts1 = Opts
+    end,
+
+    case http_uri:parse(Https) of
+        {ok,{_, [], Host2, Port2, _, []}} ->
+            Opts2 = Opts1 ++ [{https_proxy, {{Host2, Port2}, []}}];
+        {error, _} ->
+            Opts2 = Opts1
+    end,
+
+    io:format("Opts: ~p~n", [Opts2]),
+
+    case Opts2 of
+        [] ->
+            ok;
+        _ ->
+            httpc:set_options(Opts2),
+            ok
+    end.
+
 compile(App, FirstFiles) ->
     Dir = filename:join(filename:absname("_build/default/lib/"), App),
     filelib:ensure_dir(filename:join([Dir, "ebin", "dummy.beam"])),