add rebar providers create and plugin inclusion with providers

.gitignore

@@ -14,4 +14,4 @@ rebar3
 /.rebar
 rebar.lock
 priv/templates/*.dtl.erl
-ebin/rebar.app
+ebin

ebin/rebar.app

@@ -1,32 +0,0 @@
-{application,rebar,
-             [{description,"Rebar: Erlang Build Tool"},
-              {vsn,"3.0.0"},
-              {modules,['LICENSE_dtl','README.md_dtl','app.erl_dtl',
-                        gitignore_dtl,'mod.erl_dtl','otp_app.app.src_dtl',
-                        'otp_lib.app.src_dtl','otp_lib.template_dtl',
-                        'rebar.config_dtl',rebar3,rebar_app_discover,
-                        rebar_app_info,rebar_app_utils,rebar_base_compiler,
-                        rebar_config,rebar_core,rebar_erlc_compiler,
-                        rebar_erlydtl_compiler,rebar_fetch,rebar_file_utils,
-                        rebar_log,rebar_otp_app,rebar_packages,rebar_plugins,
-                        rebar_provider,rebar_prv_app_discovery,
-                        rebar_prv_compile,rebar_prv_deps,rebar_prv_do,
-                        rebar_prv_escripter,rebar_prv_help,
-                        rebar_prv_install_deps,rebar_prv_lock,rebar_prv_new,
-                        rebar_prv_packages,rebar_prv_release,rebar_prv_shell,
-                        rebar_prv_tar,rebar_prv_update,rebar_prv_version,
-                        rebar_state,rebar_templater,rebar_topo,rebar_utils,
-                        'relx.config_dtl','sup.erl_dtl','sys.config_dtl',
-                        'vm.args_dtl']},
-              {registered,[]},
-              {applications,[kernel,stdlib,sasl,compiler,crypto,syntax_tools,
-                             tools,erlware_commons,relx,inets]},
-              {env,[{log_level,warn},
-                    {providers,[rebar_prv_escripter,rebar_prv_deps,
-                                rebar_prv_do,rebar_prv_lock,
-                                rebar_prv_install_deps,rebar_prv_packages,
-                                rebar_erlydtl_compiler,rebar_prv_compile,
-                                rebar_prv_app_discovery,rebar_prv_shell,
-                                rebar_prv_tar,rebar_prv_new,rebar_prv_update,
-                                rebar_prv_release,rebar_prv_version,
-                                rebar_prv_help]}]}]}.

rebar.config

@@ -5,9 +5,10 @@
 
 %% escript_incl_extra is for internal rebar-private use only.
 %% Do not use outside rebar. Config interface is not stable.
-{escript_incl_extra, [{"priv/templates/*", "."}]}.
+{escript_incl_extra, [{"priv/templates/*", "."}, {"rebar/include/*", "."}]}.
+
 {escript_incl_apps,
- [inets, getopt, erlydtl, erlware_commons, relx]}.
+ [inets, getopt, erlydtl, erlware_commons, relx, rebar]}.
 {escript_top_level_app, rebar}.
 {escript_name, rebar3}.
 
@@ -20,21 +21,6 @@
   {platform_define, "^[0-9]+", namespaced_types}
  ]}.
 
-{xref_checks, []}.
-{xref_queries,
- [{"(XC - UC) || (XU - X - B
-      - (\"escript\":\"foldl\"/\"3\")
-      - (\"eunit_test\":\"function_wrapper\"/\"2\")
-      - (\"abnfc\":\"file\"/\"2\")
-      - (\"erlydtl\":\"compile\"/\"3\")
-      - (\"lfe_comp\":\"file\"/\"2\")
-      - (\"neotoma\":\"file\"/\"2\")
-      - (\"protobuffs_compile\":\"scan_file\"/\"2\")
-      - (\"diameter_codegen\":\"from_dict\"/\"4\")
-      - (\"diameter_dict_util\":\"format_error\"/\"1\")
-      - (\"diameter_dict_util\":\"parse\"/\"2\"))",
-         []}]}.
-
 {first_files, [rebar_provider]}.
 
 {deps, [{relx, "",

src/rebar3.erl

@@ -136,10 +136,12 @@ run_aux(State, Args) ->
 
     State1 = init_config1(State),
 
+    code:add_pathsa([filename:join(rebar_utils:get_cwd(), "plugins")]),
     %% Process each command, resetting any state between each one
     State2 = rebar_state:set(State1, base_dir, filename:absname(rebar_state:dir(State1))),
     {ok, Providers} = application:get_env(rebar, providers),
-    State3 = rebar_state:create_logic_providers(Providers, State2),
+    Plugins = rebar_state:get(State2, plugins, []),
+    State3 = rebar_state:create_logic_providers(Providers++Plugins, State2),
     Task = rebar_state:get(State3, task, "help"),
     rebar_core:process_command(rebar_state:command_args(State3, Args), list_to_atom(Task)),
     ok.

src/rebar_provider.erl

@@ -1,7 +1,8 @@
 -module(rebar_provider).
 
 %% API
--export([new/2,
+-export([create/1,
+         new/2,
          do/2,
          impl/1,
          get_provider/2,
@@ -59,6 +60,17 @@ new(ModuleName, State0) when is_atom(ModuleName) ->
             ModuleName:init(State0)
     end.
 
+-spec create([{atom(), any()}]) -> t().
+create(Attrs) ->
+    #provider{name=proplists:get_value(name, Attrs, undefined)
+             ,provider_impl=proplists:get_value(provider_impl, Attrs, undefined)
+             ,bare=proplists:get_value(bare, Attrs, false)
+             ,deps=proplists:get_value(deps, Attrs, [])
+             ,desc=proplists:get_value(desc, Attrs, "")
+             ,short_desc=proplists:get_value(short_desc, Attrs, "")
+             ,example=proplists:get_value(example, Attrs, "")
+             ,opts=proplists:get_value(opts, Attrs, [])}.
+
 %% @doc Manipulate the state of the system, that new state
 %%
 %% @param Provider the provider object
@@ -109,7 +121,7 @@ get_target_providers(Target, State) ->
     Providers = rebar_state:providers(State),
     TargetProviders = lists:filter(fun(#provider{name=T}) when T =:= Target->
                                            true;
-                                      (#provider{name=T}) ->
+                                      (_) ->
                                            false
                                    end, Providers),
     process_deps(TargetProviders, Providers).