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%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
-module(rebar_prv_do).
-behaviour(rebar_provider).
-export([init/1,
do/1]).
-include("rebar.hrl").
-define(PROVIDER, do).
-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 = "rebar3 do <task1>, <task2>, ...",
short_desc = "Higher order provider for running multiple tasks in a sequence.",
desc = "",
opts = []}),
{ok, State1}.
-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | relx:error().
do(State) ->
Tasks = args_to_tasks(rebar_state:command_args(State)),
State1 = lists:foldl(fun(TaskArgs, StateAcc) ->
[TaskStr | Args] = string:tokens(TaskArgs, " "),
Task = list_to_atom(TaskStr),
StateAcc1 = rebar_state:set(StateAcc, task, Task),
StateAcc2 = rebar_state:command_args(StateAcc1, Args),
rebar_core:process_command(StateAcc2, Task)
end, State, Tasks),
{ok, State1}.
args_to_tasks(Args) ->
[string:strip(T) || T <- string:tokens(string:join(Args, " "), ",")].
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