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-module(rebar_state).
-export([new/0, new/1, new/2, new/3,
get/2, get/3, set/3,
command_args/1, command_args/2,
command_parsed_args/1, command_parsed_args/2,
dir/1, dir/2,
create_logic_providers/2,
project_apps/1, project_apps/2,
deps_names/1,
pkg_deps/1, pkg_deps/2,
src_deps/1, src_deps/2,
src_apps/1, src_apps/2,
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 = [],
command_args = [],
command_parsed_args = [],
src_deps = [],
src_apps = [],
pkg_deps = [] :: [rlx_depsolver:constraint()],
project_apps = [],
providers = []}).
-export_type([t/0]).
-type t() :: record(state_t).
-spec new() -> t().
new() ->
#state_t{dir = rebar_utils:get_cwd()}.
-spec new(list()) -> t().
new(Config) when is_list(Config) ->
#state_t { dir = rebar_utils:get_cwd(),
opts = Config }.
-spec new(t(), list()) -> t().
new(ParentState=#state_t{}, Config) ->
%% Load terms from rebar.config, if it exists
Dir = rebar_utils: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(?LOCK_FILE) of
[D] ->
[{locks, D} | Config];
_ ->
Config
end,
ProviderModules = [],
create_logic_providers(ProviderModules, ParentState#state_t{dir=Dir
,opts=lists:umerge(LocalOpts, Opts)}).
get(State, Key) ->
proplists:get_value(Key, State#state_t.opts).
get(State, Key, Default) ->
proplists:get_value(Key, State#state_t.opts, Default).
-spec set(t(), any(), any()) -> t().
set(State, Key, Value) ->
Opts = proplists:delete(Key, State#state_t.opts),
State#state_t { opts = [{Key, Value} | Opts] }.
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}.
dir(#state_t{dir=Dir}) ->
Dir.
dir(State=#state_t{}, Dir) ->
State#state_t{dir=filename:absname(Dir)}.
deps_names(State) ->
Deps = rebar_state:get(State, 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).
-spec pkg_deps(t()) -> [rlx_depsolver:constraint()].
pkg_deps(#state_t{pkg_deps=PkgDeps}) ->
PkgDeps.
pkg_deps(State=#state_t{pkg_deps=PkgDeps}, NewPkgDeps) when is_list(PkgDeps) ->
State#state_t{pkg_deps=NewPkgDeps};
pkg_deps(State=#state_t{pkg_deps=PkgDeps}, PkgDep) ->
State#state_t{pkg_deps=[PkgDep | PkgDeps]}.
src_deps(#state_t{src_deps=SrcDeps}) ->
SrcDeps.
src_deps(State=#state_t{src_deps=SrcDeps}, NewSrcDeps) when is_list(SrcDeps) ->
State#state_t{src_deps=NewSrcDeps};
src_deps(State=#state_t{src_deps=SrcDeps}, SrcDep) ->
Name = rebar_app_info:name(SrcDep),
NewSrcDeps = lists:keystore(Name, 2, SrcDeps, SrcDep),
State#state_t{src_deps=NewSrcDeps}.
src_apps(#state_t{src_apps=SrcApps}) ->
SrcApps.
src_apps(State=#state_t{src_apps=_SrcApps}, NewSrcApps) when is_list(NewSrcApps) ->
State#state_t{src_apps=NewSrcApps};
src_apps(State=#state_t{src_apps=SrcApps}, NewSrcApp) ->
Name = rebar_app_info:name(NewSrcApp),
NewSrcApps = lists:keystore(Name, 2, SrcApps, NewSrcApp),
State#state_t{src_apps=NewSrcApps}.
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=[App | Apps]}.
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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