rebar3_cargo

-module(rebar3_cargo_util).

-export([
    get_apps/1,
    get_priv_dir/1,
    cargo_init/3
]).

-define(DEFAULT_TARGET_DIR, "target").

-spec get_apps(rebar_state:t()) -> [rebar_app_info:t()].
get_apps(State) ->
    case rebar_state:current_app(State) of
        undefined ->
            rebar_state:project_apps(State);
        AppInfo ->
            [AppInfo]
    end.


-spec get_priv_dir(rebar_app_info:t()) -> file:filename_all().
get_priv_dir(App) ->
    %PrivDir = rebar_app_info:priv_dir(App),  % ensure_dir/1 fails if priv not present (ref https://github.com/erlang/rebar3/issues/1173)
    AppDir = rebar_app_info:dir(App),
    filename:join([AppDir, "priv"]).

-spec cargo_init(App :: rebar_app_info:t(),
                 CargoOpts :: rebar3_cargo_opts:t(),
                 IsRelease :: boolean()) -> cargo_opts:t(). 
cargo_init(App, CargoOpts, IsRelease) ->
    AppDir = rebar_app_info:dir(App),
    cargo_opts:new(#{ path => filename:join(AppDir, rebar3_cargo_opts:src_dir(CargoOpts)),
                      target_dir => list_to_binary(filename:join([rebar_app_info:out_dir(App), ?DEFAULT_TARGET_DIR])),
                      release => IsRelease }).