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%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
-module(rebar_prv_update).
-behaviour(rebar_provider).
-export([init/1,
do/1]).
-include("rebar.hrl").
-define(PROVIDER, update).
-define(DEPS, []).
%% ===================================================================
%% Public API
%% ===================================================================
-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
init(State) ->
State1 = rebar_state:add_provider(State, #provider{name = ?PROVIDER,
provider_impl = ?MODULE,
bare = false,
deps = ?DEPS,
example = "rebar update cowboy",
short_desc = "",
desc = "",
opts = []}),
{ok, State1}.
-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | relx:error().
do(State) ->
case rebar_state:command_args(State) of
[Name] ->
?INFO("Updating ~s~n", [Name]),
DepsDir = rebar_prv_deps:get_deps_dir(State),
Deps = rebar_state:get_local(State, deps, []),
{_, _, Source} = lists:keyfind(list_to_atom(Name), 1, Deps),
TargetDir = rebar_prv_deps:get_deps_dir(DepsDir, Name),
rebar_fetch:update_source1(TargetDir, Source),
[App] = rebar_app_discover:find_apps([TargetDir]),
{ok, AppInfo1} = rebar_otp_app:compile(State, App),
State1 = rebar_state:replace_app(State, rebar_app_info:name(AppInfo1), AppInfo1),
rebar_erlc_compiler:compile(State, rebar_app_info:dir(AppInfo1)),
%update_lock_file(State, AppInfo1, Source),
{ok, State1};
[] ->
?INFO("Updating package index...", []),
Url = url(State),
io:format("Url ~s~n", [Url]),
ec_file:mkdir_p(filename:join([os:getenv("HOME"), ".rebar"])),
PackagesFile = filename:join([os:getenv("HOME"), ".rebar", "packages"]),
{ok, RequestId} = httpc:request(get, {Url, []}, [], [{stream, PackagesFile}, {sync, false}]),
wait(RequestId, State)
end.
wait(RequestId, State) ->
receive
{http, {RequestId, saved_to_file}} ->
{ok, State}
after
500 ->
io:format("."),
wait(RequestId, State)
end.
url(State) ->
SystemArch = erlang:system_info(system_architecture),
ErtsVsn = erlang:system_info(version),
{glibc, GlibcVsn, _, _} = erlang:system_info(allocator),
GlibcVsnStr = io_lib:format("~p.~p", GlibcVsn),
Qs = [io_lib:format("~s=~s", [X, Y]) || {X, Y} <- [{"arch", SystemArch}
,{"erts", ErtsVsn}
,{"glibc", GlibcVsnStr}]],
Url = rebar_state:get(State, rebar_packages_url, "http://polar-caverns-6802.herokuapp.com"),
Url ++ "?" ++ string:join(Qs, "&").
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