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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").
-include_lib("providers/include/providers.hrl").
-define(PROVIDER, upgrade).
-define(DEPS, [lock]).
%% 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, true},
{deps, ?DEPS},
{example, "rebar3 upgrade [cowboy[,ranch]]"},
{short_desc, "Upgrade dependencies."},
{desc, "Upgrade project dependecies. Mentioning no application "
"will upgrade all dependencies. To upgrade specific dependencies, "
"their names can be listed in the command."},
{opts, [
{package, undefined, undefined, string,
"List of packages to upgrade. If not specified, all dependencies are upgraded."}
]}])),
{ok, State1}.
-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
do(State) ->
{Args, _} = rebar_state:command_parsed_args(State),
Locks = rebar_state:get(State, {locks, default}, []),
Deps = rebar_state:get(State, deps, []),
Names = parse_names(ec_cnv:to_binary(proplists:get_value(package, Args, <<"">>)), Locks),
case prepare_locks(Names, Deps, Locks, []) of
{error, Reason} ->
{error, Reason};
{Locks0, _Unlocks0} ->
Deps0 = top_level_deps(Deps, Locks),
State1 = rebar_state:set(State, {deps, default}, Deps0),
DepsDir = rebar_prv_install_deps:profile_dep_dir(State, default),
D = rebar_app_utils:parse_deps(root, DepsDir, Deps0, State1, Locks0, 0),
State2 = rebar_state:set(State1, {parsed_deps, default}, D),
State3 = rebar_state:set(State2, {locks, default}, Locks0),
State4 = rebar_state:set(State3, upgrade, true),
UpdatedLocks = [L || L <- rebar_state:lock(State4),
lists:keymember(rebar_app_info:name(L), 1, Locks0)],
Res = rebar_prv_install_deps:do(rebar_state:lock(State4, UpdatedLocks)),
case Res of
{ok, State5} ->
rebar_utils:info_useless(
[element(1,Lock) || Lock <- Locks],
[rebar_app_info:name(App) || App <- rebar_state:lock(State5)]
),
rebar_prv_lock:do(State5);
_ ->
Res
end
end.
-spec format_error(any()) -> iolist().
format_error({unknown_dependency, Name}) ->
io_lib:format("Dependency ~ts not found", [Name]);
format_error({transitive_dependency, Name}) ->
io_lib:format("Dependency ~ts is transient and cannot be safely upgraded. "
"Promote it to your top-level rebar.config file to upgrade it.",
[Name]);
format_error(Reason) ->
io_lib:format("~p", [Reason]).
parse_names(Bin, Locks) ->
case lists:usort(re:split(Bin, <<" *, *">>, [trim])) of
%% Nothing submitted, use *all* apps
[<<"">>] -> [Name || {Name, _, 0} <- Locks];
[] -> [Name || {Name, _, 0} <- Locks];
%% Regular options
Other -> Other
end.
prepare_locks([], _, Locks, Unlocks) ->
{Locks, Unlocks};
prepare_locks([Name|Names], Deps, Locks, Unlocks) ->
AtomName = binary_to_atom(Name, utf8),
case lists:keyfind(Name, 1, Locks) of
{_, _, 0} = Lock ->
case rebar_utils:tup_find(AtomName, Deps) of
false ->
?WARN("Dependency ~s has been removed and will not be upgraded", [Name]),
prepare_locks(Names, Deps, Locks, Unlocks);
Dep ->
{Source, NewLocks, NewUnlocks} = prepare_lock(Dep, Lock, Locks),
prepare_locks(Names, Deps, NewLocks,
[{Name, Source, 0} | NewUnlocks ++ Unlocks])
end;
{_, _, Level} = Lock when Level > 0 ->
case rebar_utils:tup_find(AtomName, Deps) of
false ->
?PRV_ERROR({transitive_dependency, Name});
Dep -> % Dep has been promoted
{Source, NewLocks, NewUnlocks} = prepare_lock(Dep, Lock, Locks),
prepare_locks(Names, Deps, NewLocks,
[{Name, Source, 0} | NewUnlocks ++ Unlocks])
end;
false ->
?PRV_ERROR({unknown_dependency, Name})
end.
prepare_lock(Dep, Lock, Locks) ->
Source = case Dep of
{_, SrcOrVsn} -> SrcOrVsn;
{_, _, Src} -> Src;
_ when is_atom(Dep) ->
%% version-free package. Must unlock whatever matches in locks
{_, Vsn, _} = lists:keyfind(ec_cnv:to_binary(Dep), 1, Locks),
Vsn
end,
{NewLocks, NewUnlocks} = unlock_higher_than(0, Locks -- [Lock]),
{Source, NewLocks, NewUnlocks}.
top_level_deps(Deps, Locks) ->
[Dep || Dep <- Deps, lists:keymember(0, 3, Locks)].
unlock_higher_than(Level, Locks) -> unlock_higher_than(Level, Locks, [], []).
unlock_higher_than(_, [], Locks, Unlocks) ->
{Locks, Unlocks};
unlock_higher_than(Level, [App = {_,_,AppLevel} | Apps], Locks, Unlocks) ->
if AppLevel > Level -> unlock_higher_than(Level, Apps, Locks, [App | Unlocks]);
AppLevel =< Level -> unlock_higher_than(Level, Apps, [App | Locks], Unlocks)
end.
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