%%% -*- mode: Erlang; fill-column: 80; comment-column: 75; -*-
%%% Copyright 2012 Erlware, LLC. All Rights Reserved.
%%%
%%% This file is provided to you under the Apache License,
%%% Version 2.0 (the "License"); you may not use this file
%%% except in compliance with the License. You may obtain
%%% a copy of the License at
%%%
%%% http://www.apache.org/licenses/LICENSE-2.0
%%%
%%% Unless required by applicable law or agreed to in writing,
%%% software distributed under the License is distributed on an
%%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
%%% KIND, either express or implied. See the License for the
%%% specific language governing permissions and limitations
%%% under the License.
%%%---------------------------------------------------------------------------
%%% @author Eric Merritt <[email protected]>
%%% @copyright (C) 2012 Erlware, LLC.
%%% @doc
-module(relcool).
-export([main/1, opt_spec_list/0]).
%%============================================================================
%% types
%%============================================================================
%%============================================================================
%% API
%%============================================================================
-spec main([string()]) -> ok.
main(Args) ->
io:format("~p~n", [Args]),
OptSpecList = opt_spec_list(),
case rcl_cmd_args:args2state(getopt:parse(OptSpecList, Args)) of
{ok, {State, _Target}} ->
run_relcool_process(State);
Error={error, _} ->
report_error(Error)
end.
-spec opt_spec_list() -> [getopt:option_spec()].
opt_spec_list() ->
[
{relname, $n, "relname", string, "Specify the name for the release that will be generated"},
{relvsn, $v, "relvsn", string, "Specify the version for the release"},
{goals, $g, "goal", string, "Specify a target constraint on the system. These are "
"usually the OTP"},
{output_dir, $o, "output-dir", string, "The output directory for the release. This is `./` by default."},
{lib_dir, $l, "lib-dir", string, "Additional dirs that should be searched for OTP Apps"},
{log_level, $V, "verbose", {integer, 2}, "Verbosity level, maybe between 0 and 2"}
].
%%============================================================================
%% internal api
%%============================================================================
run_relcool_process(State) ->
rcl_log:info(rcl_state:log(State), "Starting relcool build process ..."),
rcl_log:debug(rcl_state:log(State),
fun() ->
rcl_state:format(State)
end),
ok.
-spec usage() -> ok.
usage() ->
getopt:usage(opt_spec_list(), "relcool", "[*release-specification-file*]").
-spec report_error(term()) -> none().
report_error(Error) ->
io:format("~s~n", [to_error(Error)]),
usage(),
erlang:halt(127).
-spec to_error({error, Reason::term()}) -> string().
to_error({error,{invalid_option_arg, Arg}}) ->
case Arg of
{goals, Goal} ->
io_lib:format("Invalid Goal argument -g ~p~n", [Goal]);
{relname, RelName} ->
io_lib:format("Invalid Release Name argument -n ~p~n", [RelName]);
{relvsn, RelVsn} ->
io_lib:format("Invalid Release Version argument -n ~p~n", [RelVsn]);
{output_dir, Outdir} ->
io_lib:format("Invalid Output Directory argument -n ~p~n", [Outdir]);
{lib_dir, LibDir} ->
io_lib:format("Invalid Library Directory argument -n ~p~n", [LibDir]);
{log_level, LogLevel} ->
io_lib:format("Invalid Library Directory argument -n ~p~n", [LogLevel])
end;
to_error({error, {failed_to_parse, Spec}}) ->
io_lib:format("Unable to parse spec ~s", [Spec]);
to_error({error, {unable_to_create_output_dir, OutputDir}}) ->
io_lib:format("Unable to create output directory (possible permissions issue): ~s",
[OutputDir]);
to_error({error, {not_directory, Dir}}) ->
io_lib:format("Library directory does not exist: ~s", [Dir]);
to_error({error, {invalid_log_level, LogLevel}}) ->
io_lib:format("Invalid log level specified -V ~p, log level must be in the"
" range 0..2", [LogLevel]);
to_error({error, Error}) ->
io_lib:format("~p~n", [Error]).
