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-module(rebar_prv_lock).
-behaviour(provider).
-export([init/1,
do/1,
format_error/1]).
-include("rebar.hrl").
-define(PROVIDER, lock).
-define(DEPS, [install_deps]).
%% ===================================================================
%% 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, ""},
{short_desc, "Locks dependencies."},
{desc, "Locks dependencies"},
{opts, []}])),
{ok, State1}.
-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
do(State) ->
%% Only lock default profile run
case rebar_state:current_profiles(State) of
[default] ->
OldLocks = rebar_state:get(State, {locks, default}, []),
Locks = lists:keysort(1, build_locks(State)),
Dir = rebar_state:dir(State),
rebar_config:write_lock_file(filename:join(Dir, ?LOCK_FILE), Locks),
State1 = rebar_state:set(State, {locks, default}, Locks),
OldLockNames = [element(1,L) || L <- OldLocks],
NewLockNames = [element(1,L) || L <- Locks],
rebar_utils:info_useless(OldLockNames, NewLockNames),
{ok, State1};
_ ->
{ok, State}
end.
-spec format_error(any()) -> iolist().
format_error(Reason) ->
io_lib:format("~p", [Reason]).
build_locks(State) ->
AllDeps = rebar_state:lock(State),
[begin
%% If source is tuple it is a source dep
%% e.g. {git, "git://github.com/ninenines/cowboy.git", "master"}
{rebar_app_info:name(Dep),
rebar_fetch:lock_source(Dep, State),
rebar_app_info:dep_level(Dep)}
end || Dep <- AllDeps, not(rebar_app_info:is_checkout(Dep))].
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