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%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
-module(rebar_prv_upgrade).
-behaviour(rebar_provider).
-export([init/1,
do/1]).
-include("rebar.hrl").
-define(PROVIDER, upgrade).
-define(DEPS, [lock]).
%% ===================================================================
%% 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 upgrade cowboy",
short_desc = "Upgrade dependency.",
desc = "",
opts = []}),
{ok, State1}.
-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
do(State) ->
case rebar_state:command_args(State) of
[Name] ->
?INFO("Updating ~s~n", [Name]),
Locks = rebar_state:get(State, locks, []),
case lists:keyfind(ec_cnv:to_binary(Name), 1, Locks) of
{_, _, _, Level} ->
Deps = rebar_state:get(State, deps),
Dep = lists:keyfind(list_to_atom(Name), 1, Deps),
rebar_prv_install_deps:handle_deps(State, [Dep], {true, ec_cnv:to_binary(Name), Level}),
{ok, State};
false ->
{error, io_lib:format("No such dependency ~s~n", [Name])}
end;
[] ->
{error, "No package given to upgrade."}
end.
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