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115 linhas
4.5 KiB
115 linhas
4.5 KiB
%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
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%% ex: ts=4 sw=4 et
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-module(rebar_prv_upgrade).
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-behaviour(provider).
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-export([init/1,
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do/1,
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format_error/1]).
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-include("rebar.hrl").
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-define(PROVIDER, upgrade).
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-define(DEPS, []).
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%% Also only upgrade top-level (0) deps. Transitive deps shouldn't be
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%% upgradable -- if the user wants this, they should declare it at the
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%% top level and then upgrade.
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%% ===================================================================
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%% Public API
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%% ===================================================================
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-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
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init(State) ->
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State1 =
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rebar_state:add_provider(State,
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providers:create([{name, ?PROVIDER},
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{module, ?MODULE},
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{bare, false},
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{deps, ?DEPS},
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{example, "rebar upgrade cowboy[,ranch]"},
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{short_desc, "Upgrade dependency."},
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{desc, ""},
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{opts, [
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{package, undefined, undefined, string, "Packages to upgrade."}
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]}])),
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{ok, State1}.
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-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
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do(State) ->
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{Args, _} = rebar_state:command_parsed_args(State),
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Names = parse_names(ec_cnv:to_binary(proplists:get_value(package, Args))),
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%% TODO: support many names. Only a subtree can be updated per app
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%% mentioned. When no app is named, unlock *everything*
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Locks = rebar_state:get(State, {locks, default}, []),
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Deps = rebar_state:get(State, deps),
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case prepare_locks(Names, Deps, Locks, []) of
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{error, Reason} ->
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{error, Reason};
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{Locks0, Unlocks0} ->
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Deps0 = top_level_deps(Deps, Locks),
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State1 = rebar_state:set(State, {deps, default}, Deps0),
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State2 = rebar_state:set(State1, {locks, default}, Locks0),
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State3 = rebar_state:set(State2, upgrade, true),
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Res = rebar_prv_install_deps:do(State3),
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case Res of
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{ok, S} ->
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ct:pal("original locks ~p", [Locks]),
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ct:pal("new locks ~p", [Locks0]),
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ct:pal("old deps: ~p", [Deps]),
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ct:pal("new deps: ~p", [Deps0]),
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ct:pal("Unlocks: ~p", [Unlocks0]),
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%% TODO: replace new locks onto the old locks list
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rebar_prv_lock:do(S);
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_ -> Res
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end
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end.
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parse_names(Bin) ->
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lists:usort(re:split(Bin, <<" *, *">>, [trim])).
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prepare_locks([], _, Locks, Unlocks) ->
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{Locks, Unlocks};
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prepare_locks([Name|Names], Deps, Locks, Unlocks) ->
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case lists:keyfind(Name, 1, Locks) of
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{_, _, 0} = Lock ->
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AtomName = binary_to_atom(Name, utf8),
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case lists:keyfind(AtomName, 1, Deps) of
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false ->
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{error, {unknown_dependency, Name}};
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Dep ->
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Source = case Dep of
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{_, Src} -> Src;
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{_, _, Src} -> Src
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end,
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{NewLocks, NewUnlocks} = unlock_higher_than(0, Locks -- [Lock]),
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prepare_locks(Names,
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%deps_like_locks(Deps, [{Name,Source,0} | NewLocks]),
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Deps,
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NewLocks,
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[{Name, Source, 0} | NewUnlocks ++ Unlocks])
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end;
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{_, _, Level} when Level > 0 ->
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{error, {transitive_dependency,Name}};
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false ->
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{error, {unknown_dependency,Name}}
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end.
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top_level_deps(Deps, Locks) ->
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[Dep || Dep <- Deps, lists:keymember(0, 3, Locks)].
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unlock_higher_than(Level, Locks) -> unlock_higher_than(Level, Locks, [], []).
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unlock_higher_than(_, [], Locks, Unlocks) ->
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{Locks, Unlocks};
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unlock_higher_than(Level, [App = {_,_,AppLevel} | Apps], Locks, Unlocks) ->
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if AppLevel > Level -> unlock_higher_than(Level, Apps, Locks, [App | Unlocks]);
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AppLevel =< Level -> unlock_higher_than(Level, Apps, [App | Locks], Unlocks)
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end.
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-spec format_error(any()) -> iolist().
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format_error(Reason) ->
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io_lib:format("~p", [Reason]).
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