[reltool] Relax requirements on excluded applications

A missing application directory is now classified as a warning if the
application is explicitly excluded.

2 files changed, 53 insertions, 13 deletions

diff --git a/lib/reltool/src/reltool_server.erl b/lib/reltool/src/reltool_server.erl
index 5e25f22a6f..97785ca7f8 100644
--- a/lib/reltool/src/reltool_server.erl
+++ b/lib/reltool/src/reltool_server.erl
@@ -973,7 +973,8 @@ refresh_app(#app{name = AppName,
                  is_escript = IsEscript,
                  active_dir = ActiveDir,
                  label = OptLabel,
-                 mods = Mods} = App,
+                 mods = Mods,
+                 status = AppStatus} = App,
             Force,
             Status) ->
     if
@@ -993,6 +994,8 @@ refresh_app(#app{name = AppName,
 			    read_app_info(AppFile,
 					  AppFile,
 					  AppName,
+                                          ActiveDir,
+                                          AppStatus,
 					  DefaultVsn,
 					  Status),
 
@@ -1064,9 +1067,11 @@ refresh_app(#app{name = AppName,
 missing_app_info(Vsn) ->
     #app_info{vsn = Vsn}.
 
-read_app_info(_AppFileOrBin, _AppFile, erts, DefaultVsn, Status) ->
+read_app_info(_AppFileOrBin, _AppFile, erts, _ActiveDir, _AppStatus, DefaultVsn, Status) ->
     {missing_app_info(DefaultVsn), Status};
-read_app_info(AppFileOrBin, AppFile, AppName, DefaultVsn, Status) ->
+read_app_info(_AppFileOrBin, _AppFile, _AppName, undefined, missing, DefaultVsn, Status) ->
+    {missing_app_info(DefaultVsn), Status};
+read_app_info(AppFileOrBin, AppFile, AppName, _ActiveDir, _AppStatus, DefaultVsn, Status) ->
     EnoentText = file:format_error(enoent),
     case reltool_utils:prim_consult(AppFileOrBin) of
         {ok,  [{application, AppName, Info}]} ->
@@ -1080,9 +1085,9 @@ read_app_info(AppFileOrBin, AppFile, AppName, DefaultVsn, Status) ->
 				       Status)};
         {error, Text} when Text =:= EnoentText ->
 	    {missing_app_info(DefaultVsn),
-	     reltool_utils:add_warning("~w: Missing app file ~tp.",
-				       [AppName,AppFile],
-				       Status)};
+             reltool_utils:add_warning("~w: Missing app file ~tp.",
+                                       [AppName,AppFile],
+                                       Status)};
         {error, Text} ->
             {missing_app_info(DefaultVsn),
 	     reltool_utils:add_warning("~w: Cannot parse app file ~tp (~tp).",
@@ -1773,13 +1778,15 @@ escripts_to_apps([Escript | Escripts], Apps, Status) ->
 				      get_vsn_from_dir(AppName,AppLabel),
                                   AppFileName =
 				      filename:join([Escript, FullName]),
+                                  Dir = filename:join([Escript, AppName]),
                                   {Info, StatusAcc2} =
                                       read_app_info(GetBin(),
 						    AppFileName,
 						    AppName,
+                                                    Dir,
+                                                    ok,
 						    DefaultVsn,
 						    Status),
-                                  Dir = filename:join([Escript, AppName]),
                                   {[{AppName, app, Dir, Info} | FileAcc],
 				   StatusAcc2};
                               E when E =:= Ext ->
@@ -1979,20 +1986,27 @@ refresh_apps(ConfigApps, [New | NewApps], Acc, Force, Status) ->
 refresh_apps(_ConfigApps, [], Acc, _Force, Status) ->
     {lists:reverse(Acc), Status}.
 
-
 ensure_app_info(#app{is_escript = IsEscript, active_dir = Dir, info = Info},
 		Status)
   when IsEscript=/=false ->
     %% Escript or application which is inlined in an escript
     {Info, Dir, Status};
-ensure_app_info(#app{name = Name, sorted_dirs = []}, _Status) ->
-    reltool_utils:throw_error("~w: : Missing application directory.",[Name]);
+ensure_app_info(#app{name = Name, sorted_dirs = []} = App, Status) ->
+    Reason = "~w: Missing application directory.",
+    case App of
+        #app{incl_cond = exclude, status = missing, active_dir = Dir} ->
+            Status2 = reltool_utils:add_warning(Reason, [Name], Status),
+            {missing_app_info(""), Dir, Status2};
+        _ ->
+            reltool_utils:throw_error(Reason, [Name])
+    end;
 ensure_app_info(#app{name = Name,
 		     vsn = Vsn,
 		     use_selected_vsn = UseSelectedVsn,
 		     active_dir = ActiveDir,
 		     sorted_dirs = Dirs,
-		     info = undefined},
+                     info = undefined,
+                     status = AppStatus},
 		Status) ->
     ReadInfo =
         fun(Dir, StatusAcc) ->
@@ -2000,7 +2014,8 @@ ensure_app_info(#app{name = Name,
                 Ebin = filename:join([Dir, "ebin"]),
                 DefaultVsn = get_vsn_from_dir(Name,Base),
                 AppFile = filename:join([Ebin, atom_to_list(Name) ++ ".app"]),
-                read_app_info(AppFile, AppFile, Name, DefaultVsn, StatusAcc)
+                read_app_info(AppFile, AppFile, Name, ActiveDir,
+                              AppStatus, DefaultVsn, StatusAcc)
         end,
     {AllInfo, Status2} = lists:mapfoldl(ReadInfo, Status, Dirs),
     AllVsns = [I#app_info.vsn || I <- AllInfo],
diff --git a/lib/reltool/test/reltool_server_SUITE.erl b/lib/reltool/test/reltool_server_SUITE.erl
index 23338d9ecd..a667de5969 100644
--- a/lib/reltool/test/reltool_server_SUITE.erl
+++ b/lib/reltool/test/reltool_server_SUITE.erl
@@ -80,6 +80,7 @@ all() ->
      otp_9229_dupl_mod_exclude_app,
      otp_9229_dupl_mod_exclude_mod,
      dupl_mod_in_app_file,
+     exclude_non_existing_app,
      get_apps,
      get_mod,
      get_sys,
@@ -1313,7 +1314,6 @@ otp_9229_dupl_mod_exclude_mod(Config) ->
 
     ok.
 
-
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% Test that if a module is duplicated in a .app file, then a warning
 %% is produced, but target can still be created.
@@ -1346,6 +1346,31 @@ dupl_mod_in_app_file(Config) ->
     ok.
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Test that if an application is explicitly excluded a warning should
+%% be issued.
+exclude_non_existing_app(_Config) ->
+    %% Configure the server
+    Sys =
+        {sys,
+         [
+          {incl_cond,exclude},
+          {app,foobar,[{incl_cond,exclude}]},
+          {app,kernel,[{incl_cond,include}]},
+          {app,stdlib,[{incl_cond,include}]},
+          {app,sasl,[{incl_cond,include}]}
+         ]},
+
+    %% Generate target file
+    TargetDir = filename:join([?WORK_DIR, "target_exclude_non_existing_app"]),
+    ?m(ok, reltool_utils:recursive_delete(TargetDir)),
+    ?m(ok, file:make_dir(TargetDir)),
+    ?log("SPEC: ~p\n", [reltool:get_target_spec([{config, Sys}])]),
+    ?m({ok,["foobar: Missing application directory."]},
+       reltool:get_status([{config, Sys}])),
+
+    ok.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% Test the interface used by the GUI:
 %%  get_app
 %%  get_apps