add config option artifacts

src/rebar_app_discover.erl

@@ -20,19 +20,19 @@ do(State, LibDirs) ->
     %% Sort apps so we get the same merged deps config everytime
     SortedApps = rebar_utils:sort_deps(Apps),
     lists:foldl(fun(AppInfo, StateAcc) ->
-			Name = rebar_app_info:name(AppInfo),
-			case enable(State, AppInfo) of
-			    true ->
-				{AppInfo1, StateAcc1} = merge_deps(AppInfo, StateAcc),
-				OutDir = filename:join(DepsDir, Name),
-				AppInfo2 = rebar_app_info:out_dir(AppInfo1, OutDir),
-				ProjectDeps1 = lists:delete(Name, ProjectDeps),
-				rebar_state:project_apps(StateAcc1
-		 					,rebar_app_info:deps(AppInfo2, ProjectDeps1));
-			    false ->
-				?INFO("Ignoring ~s", [Name]),
-				StateAcc
-			end
+                        Name = rebar_app_info:name(AppInfo),
+                        case enable(State, AppInfo) of
+                            true ->
+                                {AppInfo1, StateAcc1} = merge_deps(AppInfo, StateAcc),
+                                OutDir = filename:join(DepsDir, Name),
+                                AppInfo2 = rebar_app_info:out_dir(AppInfo1, OutDir),
+                                ProjectDeps1 = lists:delete(Name, ProjectDeps),
+                                rebar_state:project_apps(StateAcc1
+                                                        ,rebar_app_info:deps(AppInfo2, ProjectDeps1));
+                            false ->
+                                ?INFO("Ignoring ~s", [Name]),
+                                StateAcc
+                        end
                 end, State, SortedApps).
 
 format_error({module_list, File}) ->
@@ -51,7 +51,8 @@ merge_deps(AppInfo, State) ->
                  rebar_state:apply_profiles(
                    rebar_state:new(reset_hooks(rebar_state:opts(State, Default)), C,
                                   rebar_app_info:dir(AppInfo)), CurrentProfiles), Name),
-    AppInfo1 = rebar_app_info:state(AppInfo, AppState),
+    AppState1 = rebar_state:set(AppState, artifacts, []),
+    AppInfo1 = rebar_app_info:state(AppInfo, AppState1),
 
     State1 = lists:foldl(fun(Profile, StateAcc) ->
                                  AppProfDeps = rebar_state:get(AppState, {deps, Profile}, []),
@@ -219,8 +220,8 @@ try_handle_app_src_file(_, _AppDir, Other, _Validate) ->
     throw({error, {multiple_app_files, Other}}).
 
 enable(State, AppInfo) ->
-    not lists:member(to_atom(rebar_app_info:name(AppInfo)), 
-		     rebar_state:get(State, excluded_apps, [])).
+    not lists:member(to_atom(rebar_app_info:name(AppInfo)),
+             rebar_state:get(State, excluded_apps, [])).
 
 to_atom(Bin) ->
     list_to_atom(binary_to_list(Bin)).

src/rebar_app_info.erl

@@ -286,8 +286,9 @@ is_checkout(#app_info_t{is_checkout=IsCheckout}) ->
     IsCheckout.
 
 -spec valid(t()) -> boolean().
-valid(AppInfo=#app_info_t{valid=undefined}) ->
-    case rebar_app_utils:validate_application_info(AppInfo) of
+valid(AppInfo=#app_info_t{valid=undefined, state=State}) ->
+    case rebar_app_utils:validate_application_info(AppInfo)
+        andalso rebar_state:has_all_artifacts(State) =:= true of
         true ->
             true;
         _ ->

src/rebar_prv_compile.erl

@@ -8,6 +8,7 @@
 
 -export([compile/3]).
 
+-include_lib("providers/include/providers.hrl").
 -include("rebar.hrl").
 
 -define(PROVIDER, compile).
@@ -60,12 +61,15 @@ do(State) ->
     State3 = rebar_state:code_paths(State2, all_deps, DepsPaths ++ ProjAppsPaths),
 
     rebar_hooks:run_all_hooks(Cwd, post, ?PROVIDER, Providers, State2),
+    has_all_artifacts(State3),
 
     rebar_utils:cleanup_code_path(rebar_state:code_paths(State3, default)),
 
     {ok, State3}.
 
 -spec format_error(any()) -> iolist().
+format_error({missing_artifact, File}) ->
+    io_lib:format("Missing artifact ~s", [File]);
 format_error(Reason) ->
     io_lib:format("~p", [Reason]).
 
@@ -90,6 +94,7 @@ compile(State, Providers, AppInfo) ->
     case rebar_otp_app:compile(State, AppInfo) of
         {ok, AppInfo1} ->
             rebar_hooks:run_all_hooks(AppDir, post, ?PROVIDER, Providers, State),
+            has_all_artifacts(State),
             AppInfo1;
         Error ->
             throw(Error)
@@ -99,6 +104,14 @@ compile(State, Providers, AppInfo) ->
 %% Internal functions
 %% ===================================================================
 
+has_all_artifacts(State) ->
+    case rebar_state:has_all_artifacts(State) of
+        {false, File} ->
+            throw(?PRV_ERROR({missing_artifact, File}));
+        true ->
+            true
+    end.
+
 copy_app_dirs(State, OldAppDir, AppDir) ->
     case ec_cnv:to_binary(filename:absname(OldAppDir)) =/=
         ec_cnv:to_binary(filename:absname(AppDir)) of

src/rebar_prv_install_deps.erl

@@ -666,7 +666,8 @@ warn_skip_pkg({Name, Source}, State) ->
 
 not_needs_compile(App) ->
     not(rebar_app_info:is_checkout(App))
-        andalso rebar_app_info:valid(App).
+        andalso rebar_app_info:valid(App)
+          andalso rebar_state:has_all_artifacts(rebar_app_info:state(App)) =:= true.
 
 get_package(Dep, State) ->
     case rebar_state:registry(State) of

src/rebar_state.erl

@@ -3,6 +3,8 @@
 -export([new/0, new/1, new/2, new/3,
          get/2, get/3, set/3,
 
+         has_all_artifacts/1,
+
          code_paths/2, code_paths/3, update_code_paths/3,
 
          opts/1, opts/2,
@@ -149,6 +151,23 @@ default(#state_t{default=Opts}) ->
 default(State, Opts) ->
     State#state_t{default=Opts}.
 
+-spec has_all_artifacts(rebar_app_info:t()) -> true | providers:error().
+has_all_artifacts(State) ->
+    Artifacts = rebar_state:get(State, artifacts, []),
+    Dir = rebar_dir:base_dir(State),
+    all(Dir, Artifacts).
+
+all(_, []) ->
+    true;
+all(Dir, [File|Artifacts]) ->
+    case filelib:is_regular(filename:join(Dir, File)) of
+        false ->
+            ?DEBUG("Missing artifact ~s", [filename:join(Dir, File)]),
+            {false, File};
+        true ->
+            all(Dir, Artifacts)
+    end.
+
 code_paths(#state_t{code_paths=CodePaths}, Key) ->
     case dict:find(Key, CodePaths) of
         {ok, CodePath} ->