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%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
-module(rebar_prv_upgrade).
-behaviour(provider).
-export([init/1,
do/1,
format_error/1]).
-include("rebar.hrl").
-define(PROVIDER, upgrade).
-define(DEPS, []).
%% Also only upgrade top-level (0) deps. Transitive deps shouldn't be
%% upgradable -- if the user wants this, they should declare it at the
%% top level and then upgrade.
%% ===================================================================
%% Public API
%% ===================================================================
-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
init(State) ->
State1 =
rebar_state:add_provider(State,
providers:create([{name, ?PROVIDER},
{module, ?MODULE},
{bare, false},
{deps, ?DEPS},
{example, "rebar upgrade cowboy"},
{short_desc, "Upgrade dependency."},
{desc, ""},
{opts, [
{package, undefined, undefined, string, "Package to upgrade."}
]}])),
{ok, State1}.
-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
do(State) ->
{Args, _} = rebar_state:command_parsed_args(State),
Name = ec_cnv:to_binary(proplists:get_value(package, Args)),
Locks = rebar_state:get(State, {locks, default}, []),
case lists:keyfind(Name, 1, Locks) of
{_, _, 0} = Lock ->
Deps = rebar_state:get(State, deps),
case lists:keyfind(binary_to_atom(Name, utf8), 1, Deps) of
false ->
{error, unknown_dependency};
Dep ->
Source = case Dep of
{_, Src} -> Src;
{_, _, Src} -> Src
end,
NewLocks = unlock_higher_than(0, Locks -- [Lock]),
State1 = rebar_state:set(State, {deps, default}, [{Name, Source, 0} | NewLocks]),
State2 = rebar_state:set(State1, {locks, default}, NewLocks),
State3 = rebar_state:set(State2, upgrade, true),
rebar_prv_install_deps:do(State3)
end;
{_, _, Level} when Level > 0 ->
{error, transitive_dependency};
false ->
{error, unknown_dependency}
end.
unlock_higher_than(_, []) -> [];
unlock_higher_than(Level, [App = {_,_,AppLevel} | Apps]) ->
if AppLevel > Level -> unlock_higher_than(Level, Apps);
AppLevel =< Level -> [App | unlock_higher_than(Level, Apps)]
end.
-spec format_error(any()) -> iolist().
format_error(Reason) ->
io_lib:format("~p", [Reason]).
|
