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%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
%% -------------------------------------------------------------------
%%
%% rebar: Erlang Build Tools
%%
%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.com)
%%
%% Permission is hereby granted, free of charge, to any person obtaining a copy
%% of this software and associated documentation files (the "Software"), to deal
%% in the Software without restriction, including without limitation the rights
%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
%% copies of the Software, and to permit persons to whom the Software is
%% furnished to do so, subject to the following conditions:
%%
%% The above copyright notice and this permission notice shall be included in
%% all copies or substantial portions of the Software.
%%
%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
%% THE SOFTWARE.
%% -------------------------------------------------------------------
-module(rebar_core).
-export([init_command/2, process_namespace/2, process_command/2, do/2]).
-include("rebar.hrl").
init_command(State, do) ->
process_command(rebar_state:namespace(State, default), do);
init_command(State, as) ->
process_command(rebar_state:namespace(State, default), as);
init_command(State, Command) ->
case process_namespace(State, Command) of
{ok, State1, Command1} ->
process_command(State1, Command1);
{error, Reason} ->
{error, Reason}
end.
process_namespace(_State, as) ->
{error, "Namespace 'as' is forbidden"};
process_namespace(State, Command) ->
Providers = rebar_state:providers(State),
CommandProvider = providers:get_provider(Command, Providers, default),
case CommandProvider of
not_found ->
case providers:get_providers_by_namespace(Command, Providers) of
[] ->
{error, io_lib:format("Command ~p not found", [Command])};
_ ->
%% Replay 'do' as a command of that namespace
{ok, rebar_state:namespace(State, Command), do}
end;
_ ->
{ok, rebar_state:namespace(State, default), Command}
end.
-spec process_command(rebar_state:t(), atom()) -> {ok, rebar_state:t()} | {error, string()}.
process_command(State, Command) ->
%% ? rebar_prv_install_deps:setup_env(State),
Providers = rebar_state:providers(State),
Namespace = rebar_state:namespace(State),
TargetProviders = providers:get_target_providers(Command, Providers, Namespace),
CommandProvider = providers:get_provider(Command, Providers, Namespace),
case CommandProvider of
not_found when Command =/= do ->
case Namespace of
default ->
{error, io_lib:format("Command ~p not found", [Command])};
_ ->
{error, io_lib:format("Command ~p not found in namespace ~p",
[Command, Namespace])}
end;
not_found when Command =:= do, Namespace =/= default ->
do([{default, do} | TargetProviders], State);
CommandProvider ->
case Command of
do ->
do(TargetProviders, State);
as ->
do(TargetProviders, State);
_ ->
Profiles = providers:profiles(CommandProvider),
State1 = rebar_state:apply_profiles(State, Profiles),
Opts = providers:opts(CommandProvider)++rebar3:global_option_spec_list(),
case getopt:parse(Opts, rebar_state:command_args(State1)) of
{ok, Args} ->
State2 = rebar_state:command_parsed_args(State1, Args),
do(TargetProviders, State2);
{error, {invalid_option, Option}} ->
{error, io_lib:format("Invalid option ~s on task ~p", [Option, Command])};
{error, {invalid_option_arg, {Option, Arg}}} ->
{error, io_lib:format("Invalid argument ~s to option ~s", [Arg, Option])};
{error, {missing_option_arg, Option}} ->
{error, io_lib:format("Missing argument to option ~s", [Option])}
end
end
end.
-spec do([{atom(), atom()}], rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
do([], State) ->
{ok, State};
do([ProviderName | Rest], State) ->
%% Special providers like 'as', 'do' or some hooks may be passed
%% as a tuple {Namespace, Name}, otherwise not. Handle them
%% on a per-need basis.
Provider = case ProviderName of
{Namespace, Name} ->
providers:get_provider(Name
,rebar_state:providers(State)
,Namespace);
_ ->
providers:get_provider(ProviderName
,rebar_state:providers(State)
,rebar_state:namespace(State))
end,
case providers:do(Provider, State) of
{ok, State1} ->
do(Rest, State1);
{error, Error} ->
{error, Error}
end.
|
