make base_dir for a run include the profiles in path, link to shared deps

src/rebar.hrl

@@ -14,7 +14,6 @@
 -define(FMT(Str, Args), lists:flatten(io_lib:format(Str, Args))).
 
 -define(DEFAULT_BASE_DIR, "_build").
--define(DEFAULT_PROFILE_DIR, "default").
 -define(DEFAULT_PROJECT_APP_DIRS, ["_checkouts", "apps", "lib", "."]).
 -define(DEFAULT_DEPS_DIR, "lib").
 -define(DEFAULT_PLUGINS_DIR, "plugins").

src/rebar3.erl

@@ -120,7 +120,7 @@ run_aux(State, GlobalPluginProviders, RawArgs) ->
              end,
 
     %% Process each command, resetting any state between each one
-    BaseDir = rebar_dir:base_dir(State2),
+    BaseDir = rebar_state:get(State, base_dir, ?DEFAULT_BASE_DIR),
     State3 = rebar_state:set(State2, base_dir,
                             filename:join(filename:absname(rebar_state:dir(State2)), BaseDir)),
 

src/rebar_dir.erl

@@ -23,7 +23,10 @@
 
 -spec base_dir(rebar_state:t()) -> file:filename_all().
 base_dir(State) ->
-    rebar_state:get(State, base_dir, ?DEFAULT_BASE_DIR).
+    Profiles = rebar_state:current_profiles(State),
+    ProfilesStrings = [ec_cnv:to_list(P) || P <- Profiles],
+    ProfilesDir = string:join(ProfilesStrings, "+"),
+    filename:join(rebar_state:get(State, base_dir, ?DEFAULT_BASE_DIR), ProfilesDir).
 
 -spec deps_dir(rebar_state:t()) -> file:filename_all().
 deps_dir(State) ->

src/rebar_prv_install_deps.erl

@@ -374,7 +374,15 @@ maybe_fetch(AppInfo, Upgrade, Seen, State) ->
         false ->
             case rebar_app_discover:find_app(AppDir, all) of
                 false ->
-                    fetch_app(AppInfo, AppDir, State);
+                    case in_default(AppInfo, State) of
+                        false ->
+                            fetch_app(AppInfo, AppDir, State);
+                        {true, FoundApp} ->
+                            ?INFO("Linking ~s to ~s", [rebar_app_info:dir(FoundApp), AppDir]),
+                            filelib:ensure_dir(AppDir),
+                            ok = file:make_symlink(rebar_app_info:dir(FoundApp), AppDir),
+                            true
+                    end;
                 {true, _} ->
                     case sets:is_element(rebar_app_info:name(AppInfo), Seen) of
                         true ->
@@ -392,6 +400,10 @@ in_checkouts(AppInfo) ->
         error -> false
     end.
 
+in_default(AppInfo, State) ->
+    Name = ec_cnv:to_list(rebar_app_info:name(AppInfo)),
+    DefaultAppDir = filename:join([rebar_state:get(State, base_dir), "default", "lib", Name]),
+    rebar_app_discover:find_app(DefaultAppDir, all).
 
 -spec parse_deps(binary(), list(), list(), list(), integer()) -> {[rebar_app_info:t()], [pkg_dep()]}.
 parse_deps(DepsDir, Deps, State, Locks, Level) ->

test/rebar_test_utils.erl

@@ -142,7 +142,7 @@ top_level_deps([{{Name, Vsn, Ref}, _} | Deps]) ->
 %%% Helpers %%%
 %%%%%%%%%%%%%%%
 check_results(AppDir, Expected) ->
-    BuildDir = filename:join([AppDir, "_build", "lib"]),
+    BuildDirs = filelib:wildcard(filename:join([AppDir, "_build", "*", "lib"])),
     CheckoutsDir = filename:join([AppDir, "_checkouts"]),
     LockFile = filename:join([AppDir, "rebar.lock"]),
     Locks = lists:flatten(rebar_config:consult_file(LockFile)),
@@ -152,7 +152,7 @@ check_results(AppDir, Expected) ->
     AppsNames = [{ec_cnv:to_list(rebar_app_info:name(App)), App} || App <- Apps],
     InvalidAppsNames = [{ec_cnv:to_list(rebar_app_info:name(App)), App} || App <- InvalidApps],
     ValidAppsNames = [{ec_cnv:to_list(rebar_app_info:name(App)), App} || App <- ValidApps],
-    Deps = rebar_app_discover:find_apps([BuildDirspan>], all),
+    Deps = rebar_app_discover:find_apps(BuildDirs, all),
     DepsNames = [{ec_cnv:to_list(rebar_app_info:name(App)), App} || App <- Deps],
     Checkouts = rebar_app_discover:find_apps([CheckoutsDir], all),
     CheckoutsNames = [{ec_cnv:to_list(rebar_app_info:name(App)), App} || App <- Checkouts],
@@ -217,7 +217,7 @@ check_results(AppDir, Expected) ->
                 {ok, Cwd} = file:get_cwd(),
                 try
                     file:set_cwd(AppDir),
-                    ReleaseDir = filename:join([AppDir, "_build", "rel"]),
+                    [ReleaseDir] = filelib:wildcard(filename:join([AppDir, "_build", "*", "rel"])),
                     RelxState = rlx_state:new("", [], []),
                     RelxState1 = rlx_state:base_output_dir(RelxState, ReleaseDir),
                     {ok, RelxState2} = rlx_prv_app_discover:do(RelxState1),