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rebar3_hex src rebar3_hex_config.erl
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src/rebar3_hex_config.erl

-module(rebar3_hex_config).
-export([init/1,
do/1,
format_error/1]).
-export([path/0
,read/0
,api_url/0
,cdn_url/0
,username/0
,auth/0
,http_proxy/0
,https_proxy/0
,update/1
,write/1]).
-define(PROVIDER, config).
-define(DEPS, []).
-define(DEFAULT_HEX_CONFIG, "hex.config").
-define(DEFAULT_API_URL, "https://hex.pm").
-define(DEFAULT_CDN_URL, "https://s3.amazonaws.com/s3.hex.pm").
-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
init(State) ->
Provider = providers:create([
{name, ?PROVIDER},
{module, ?MODULE},
{namespace, hex},
{bare, true},
{deps, ?DEPS},
{example, "rebar3 hex config <key> [<value>]"},
{short_desc, "Read or update hex configuration file"},
{desc, ""},
{opts, []}
]),
State1 = rebar_state:add_provider(State, Provider),
{ok, State1}.
-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
do(State) ->
case rebar_state:command_args(State) of
["username" | Value] ->
maybe_update(username, Value),
ec_talk:say("username: ~s", [username()]);
["key" | Value] ->
maybe_update(key, Value),
{ok, Key} = auth(),
ec_talk:say("key: ~s", [Key]);
["api_url" | Value] ->
maybe_update(api_url, Value),
ec_talk:say("api_url: ~s", [api_url()]);
["cdn_url" | Value] ->
maybe_update(cdn_url, Value),
ec_talk:say("cdn_url: ~s", [cdn_url()]);
["http_proxy" | Value] ->
maybe_update(http_proxy, Value),
ec_talk:say("http_proxy: ~s", [http_proxy()]);
["https_proxy" | Value] ->
maybe_update(https_proxy, Value),
ec_talk:say("https_proxy: ~s", [https_proxy()]);
[Other | _]->
rebar_api:error("Config does not contain a key ~s", [Other]);
[] ->
rebar_api:info("Usage: rebar3 hex config <key> [<value>]", [])
end,
{ok, State}.
-spec format_error(any()) -> iolist().
format_error(no_user) ->
"No user registered. See https://hex.pm/docs/rebar3_publish for instructions.";
format_error(Reason) ->
io_lib:format("~p", [Reason]).
path() ->
filename:join(rebar3_hex_utils:hex_home(), ?DEFAULT_HEX_CONFIG).
read() ->
case file:consult(path()) of
{ok, Config} ->
Config;
_ ->
[]
end.
api_url() ->
proplists:get_value(api_url, read(), ?DEFAULT_API_URL).
cdn_url() ->
case os:getenv("HEX_CDN") of
false ->
proplists:get_value(cdn_url, read(), ?DEFAULT_CDN_URL);
CDN ->
CDN
end.
username() ->
proplists:get_value(username, read(), "").
http_proxy() ->
proplists:get_value(http_proxy, read(), "").
https_proxy() ->
proplists:get_value(https_proxy, read(), "").
auth() ->
case lists:keyfind(key, 1, read()) of
{key, Key} ->
{ok, Key};
_ ->
throw({error, {?MODULE, no_user}})
end.
update(NewConfig) ->
Config = read(),
Config1 = lists:ukeymerge(1
,lists:keysort(1, NewConfig)
,lists:keysort(1, Config)),
write(Config1).
write(Config) ->
filelib:ensure_dir(path()),
ok = file:write_file(path(), encode_config(Config)).
%% Internal functions
maybe_update(_, []) ->
ok;
maybe_update(Key, Value) ->
update([{Key, ec_cnv:to_binary(Value)}]).
encode_config(Config) ->
iolist_to_binary([[io_lib:print(Term) | ".\n"] || Term <- Config]).