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-module(rebar_state).
-export([new/0, new/1, new/2, new/3,
get/2, get/3, set/3,
opts/1,
default/1, default/2,
escript_path/1, escript_path/2,
lock/1, lock/2,
current_profiles/1,
command_args/1, command_args/2,
command_parsed_args/1, command_parsed_args/2,
apply_profiles/2,
dir/1, dir/2,
create_logic_providers/2,
project_apps/1, project_apps/2,
deps_to_build/1, deps_to_build/2,
all_deps/1, all_deps/2,
namespace/1, namespace/2,
deps_names/1,
prepend_hook/3, append_hook/3, hooks/2,
providers/1, providers/2, add_provider/2]).
-include("rebar.hrl").
-record(state_t, {dir :: file:name(),
opts = dict:new() :: rebar_dict(),
default = dict:new() :: rebar_dict(),
escript_path :: undefined | file:filename_all(),
lock = [],
current_profiles = [default] :: [atom()],
namespace = undefined :: [atom()],
command_args = [],
command_parsed_args = [],
project_apps = [] :: [rebar_app_into:t()],
deps_to_build = [] :: [rebar_app_into:t()],
all_deps = [] :: [rebar_app_into:t()],
providers = []}).
-export_type([t/0]).
-type t() :: record(state_t).
-spec new() -> t().
new() ->
#state_t{dir = rebar_dir:get_cwd()}.
-spec new(list()) -> t().
new(Config) when is_list(Config) ->
Deps = proplists:get_value(deps, Config, []),
Opts = dict:from_list([{{deps, default}, Deps} | Config]),
#state_t { dir = rebar_dir:get_cwd(),
default = Opts,
opts = Opts }.
-spec new(t() | atom(), list()) -> t().
new(Profile, Config) when is_atom(Profile)
, is_list(Config) ->
Deps = proplists:get_value(deps, Config, []),
Opts = dict:from_list([{{deps, default}, Deps} | Config]),
#state_t { dir = rebar_dir:get_cwd(),
current_profiles = [Profile],
default = Opts,
opts = Opts };
new(ParentState=#state_t{}, Config) ->
%% Load terms from rebar.config, if it exists
Dir = rebar_dir:get_cwd(),
new(ParentState, Config, Dir).
-spec new(t(), list(), file:name()) -> t().
new(ParentState, Config, Dir) ->
Opts = ParentState#state_t.opts,
LocalOpts = case rebar_config:consult_file(filename:join(Dir, ?LOCK_FILE)) of
[D] ->
dict:from_list([{locks, D}, {{deps, default}, D} | Config]);
_ ->
D = proplists:get_value(deps, Config, []),
dict:from_list([{{deps, default}, D} | Config])
end,
NewOpts = dict:merge(fun(_Key, Value1, _Value2) ->
Value1
end, LocalOpts, Opts),
ParentState#state_t{dir=Dir
,opts=NewOpts
,default=NewOpts}.
get(State, Key) ->
{ok, Value} = dict:find(Key, State#state_t.opts),
Value.
get(State, Key, Default) ->
case dict:find(Key, State#state_t.opts) of
{ok, Value} ->
Value;
error ->
Default
end.
-spec set(t(), any(), any()) -> t().
set(State=#state_t{opts=Opts}, Key, Value) ->
State#state_t{ opts = dict:store(Key, Value, Opts) }.
default(#state_t{default=Opts}) ->
Opts.
default(State, Opts) ->
State#state_t{default=Opts}.
opts(#state_t{opts=Opts}) ->
Opts.
current_profiles(#state_t{current_profiles=Profiles}) ->
Profiles.
lock(#state_t{lock=Lock}) ->
Lock.
lock(State=#state_t{lock=Lock}, App) ->
State#state_t{lock=[App | Lock]}.
escript_path(#state_t{escript_path=EscriptPath}) ->
EscriptPath.
escript_path(State, EscriptPath) ->
State#state_t{escript_path=EscriptPath}.
command_args(#state_t{command_args=CmdArgs}) ->
CmdArgs.
command_args(State, CmdArgs) ->
State#state_t{command_args=CmdArgs}.
command_parsed_args(#state_t{command_parsed_args=CmdArgs}) ->
CmdArgs.
command_parsed_args(State, CmdArgs) ->
State#state_t{command_parsed_args=CmdArgs}.
apply_profiles(State, Profile) when not is_list(Profile) ->
apply_profiles(State, [Profile]);
apply_profiles(State, [default]) ->
State;
apply_profiles(State=#state_t{opts=Opts, current_profiles=CurrentProfiles}, Profiles) ->
ConfigProfiles = rebar_state:get(State, profiles, []),
NewOpts = lists:foldl(fun(default, OptsAcc) ->
OptsAcc;
(Profile, OptsAcc) ->
ProfileOpts = dict:from_list(proplists:get_value(Profile, ConfigProfiles, [])),
merge_opts(Profile, ProfileOpts, OptsAcc)
end, Opts, Profiles),
State#state_t{current_profiles=CurrentProfiles++Profiles, opts=NewOpts}.
merge_opts(Profile, NewOpts, OldOpts) ->
Opts = dict:merge(fun(_Key, NewValue, OldValue) when is_list(NewValue) ->
case io_lib:printable_list(NewValue) of
true ->
NewValue;
false ->
lists:keymerge(1
,lists:keysort(1, OldValue)
,lists:keysort(1, NewValue))
end;
(_Key, NewValue, _OldValue) ->
NewValue
end, NewOpts, OldOpts),
case dict:find(deps, NewOpts) of
{ok, Value} ->
dict:store({deps, Profile}, Value, Opts);
error ->
Opts
end.
dir(#state_t{dir=Dir}) ->
Dir.
dir(State=#state_t{}, Dir) ->
State#state_t{dir=filename:absname(Dir)}.
deps_names(Deps) when is_list(Deps) ->
lists:map(fun(Dep) when is_tuple(Dep) ->
ec_cnv:to_binary(element(1, Dep));
(Dep) when is_atom(Dep) ->
ec_cnv:to_binary(Dep)
end, Deps);
deps_names(State) ->
Deps = rebar_state:get(State, deps, []),
deps_names(Deps).
project_apps(#state_t{project_apps=Apps}) ->
Apps.
project_apps(State=#state_t{}, NewApps) when is_list(NewApps) ->
State#state_t{project_apps=NewApps};
project_apps(State=#state_t{project_apps=Apps}, App) ->
State#state_t{project_apps=lists:keystore(rebar_app_info:name(App), 2, Apps, App)}.
deps_to_build(#state_t{deps_to_build=Apps}) ->
Apps.
deps_to_build(State=#state_t{deps_to_build=Apps}, NewApps) when is_list(NewApps) ->
State#state_t{deps_to_build=Apps++NewApps};
deps_to_build(State=#state_t{deps_to_build=Apps}, App) ->
State#state_t{deps_to_build=lists:keystore(rebar_app_info:name(App), 2, Apps, App)}.
all_deps(#state_t{all_deps=Apps}) ->
Apps.
all_deps(State=#state_t{}, NewApps) ->
State#state_t{all_deps=NewApps}.
namespace(#state_t{namespace=Namespace}) ->
Namespace.
namespace(State=#state_t{}, Namespace) ->
State#state_t{namespace=Namespace}.
providers(#state_t{providers=Providers}) ->
Providers.
providers(State, NewProviders) ->
State#state_t{providers=NewProviders}.
-spec add_provider(t(), providers:t()) -> t().
add_provider(State=#state_t{providers=Providers}, Provider) ->
State#state_t{providers=[Provider | Providers]}.
create_logic_providers(ProviderModules, State0) ->
lists:foldl(fun(ProviderMod, Acc) ->
case providers:new(ProviderMod, Acc) of
{error, Reason} ->
?ERROR(Reason++"~n", []),
Acc;
{ok, State1} ->
State1
end
end, State0, ProviderModules).
prepend_hook(State=#state_t{providers=Providers}, Target, Hook) ->
State#state_t{providers=add_hook(pre, Providers, Target, Hook)}.
append_hook(State=#state_t{providers=Providers}, Target, Hook) ->
State#state_t{providers=add_hook(post, Providers, Target, Hook)}.
-spec hooks(t(), atom()) -> {[providers:t()], [providers:t()]}.
hooks(_State=#state_t{providers=Providers}, Target) ->
Provider = providers:get_provider(Target, Providers),
providers:hooks(Provider).
%% ===================================================================
%% Internal functions
%% ===================================================================
add_hook(Which, Providers, Target, Hook) ->
Provider = providers:get_provider(Target, Providers),
Hooks = providers:hooks(Provider),
NewHooks = add_hook(Which, Hooks, Hook),
NewProvider = providers:hooks(Provider, NewHooks),
[NewProvider | lists:delete(Provider, Providers)].
add_hook(pre, {PreHooks, PostHooks}, Hook) ->
{[Hook | PreHooks], PostHooks};
add_hook(post, {PreHooks, PostHooks}, Hook) ->
{PreHooks, [Hook | PostHooks]}.
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