From dac49bf161dbfda40a08e5b3baa756a715bcc231 Mon Sep 17 00:00:00 2001
From: Eric <ericbmerritt@gmail.com>
Date: Wed, 21 Nov 2012 17:18:16 -0500
Subject: all relcool to symlink in 'overridden' apps

Signed-off-by: Jordan Wilberding <diginux@gmail.com>
---
 src/rcl_prv_assembler.erl   | 23 +++++++++++-------
 test/rclt_release_SUITE.erl | 58 +++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 70 insertions(+), 11 deletions(-)

diff --git a/src/rcl_prv_assembler.erl b/src/rcl_prv_assembler.erl
index 59d9946..7ed4f68 100644
--- a/src/rcl_prv_assembler.erl
+++ b/src/rcl_prv_assembler.erl
@@ -100,15 +100,20 @@ copy_app(LibDir, App) ->
     AppVsn = rcl_app_info:vsn_as_string(App),
     AppDir = rcl_app_info:dir(App),
     TargetDir = filename:join([LibDir, AppName ++ "-" ++ AppVsn]),
-    ec_plists:map(fun(SubDir) ->
-                          copy_dir(AppDir, TargetDir, SubDir)
-                  end, ["ebin",
-                        "include",
-                        "priv",
-                        "src",
-                        "c_src",
-                        "README",
-                        "LICENSE"]).
+    case rcl_app_info:link(App) of
+        true ->
+            file:make_symlink(AppDir, TargetDir);
+        false ->
+            ec_plists:map(fun(SubDir) ->
+                                  copy_dir(AppDir, TargetDir, SubDir)
+                          end, ["ebin",
+                                "include",
+                                "priv",
+                                "src",
+                                "c_src",
+                                "README",
+                                "LICENSE"])
+    end.
 
 copy_dir(AppDir, TargetDir, SubDir) ->
     SubSource = filename:join(AppDir, SubDir),
diff --git a/test/rclt_release_SUITE.erl b/test/rclt_release_SUITE.erl
index 7cdf362..c13672a 100644
--- a/test/rclt_release_SUITE.erl
+++ b/test/rclt_release_SUITE.erl
@@ -24,10 +24,12 @@
          end_per_suite/1,
          init_per_testcase/2,
          all/0,
-         make_release/1]).
+         make_release/1,
+         make_overridden_release/1]).
 
 -include_lib("common_test/include/ct.hrl").
 -include_lib("eunit/include/eunit.hrl").
+-include_lib("kernel/include/file.hrl").
 
 suite() ->
     [{timetrap,{seconds,30}}].
@@ -47,7 +49,7 @@ init_per_testcase(_, Config) ->
      {state, State} | Config].
 
 all() ->
-    [make_release].
+    [make_release, make_overridden_release].
 
 make_release(Config) ->
     LibDir1 = proplists:get_value(lib1, Config),
@@ -84,6 +86,58 @@ make_release(Config) ->
     ?assert(lists:member({goal_app_2, "0.0.1"}, AppSpecs)),
     ?assert(lists:member({lib_dep_1, "0.0.1", load}, AppSpecs)).
 
+
+make_overridden_release(Config) ->
+    DataDir = proplists:get_value(data_dir, Config),
+    OverrideDir1 = filename:join([DataDir, create_random_name("override_dir_")]),
+    LibDir1 = proplists:get_value(lib1, Config),
+    [(fun({Name, Vsn}) ->
+              create_app(LibDir1, Name, Vsn, [kernel, stdlib], [])
+      end)(App)
+     ||
+        App <-
+            [{create_random_name("lib_app1_"), create_random_vsn()}
+             || _ <- lists:seq(1, 100)]],
+    OverrideApp = create_random_name("override_app"),
+    OverrideVsn = create_random_vsn(),
+    OverrideAppDir = filename:join(OverrideDir1, OverrideApp),
+    OverrideAppName = erlang:list_to_atom(OverrideApp),
+
+    create_app(LibDir1, "goal_app_1", "0.0.1", [stdlib,kernel,non_goal_1], []),
+    create_app(LibDir1, "lib_dep_1", "0.0.1", [stdlib,kernel], []),
+    create_app(LibDir1, "goal_app_2", "0.0.1", [stdlib,kernel,goal_app_1,non_goal_2], []),
+    create_app(LibDir1, "non_goal_1", "0.0.1", [stdlib,kernel], [lib_dep_1]),
+    create_app(LibDir1, "non_goal_2", "0.0.1", [stdlib,kernel], []),
+
+    create_app(OverrideDir1, OverrideApp, OverrideVsn, [stdlib,kernel], []),
+
+    ConfigFile = filename:join([LibDir1, "relcool.config"]),
+    write_config(ConfigFile,
+                 [{release, {foo, "0.0.1"},
+                   [goal_app_1,
+                    erlang:list_to_atom(OverrideApp),
+                    goal_app_2]}]),
+    OutputDir = filename:join([proplists:get_value(data_dir, Config),
+                               create_random_name("relcool-output")]),
+    {ok, State} = relcool:do(undefined, undefined, [], [LibDir1], 2,
+                              OutputDir, [{OverrideAppName, OverrideAppDir}],
+                             [ConfigFile]),
+    [{{foo, "0.0.1"}, Release}] = ec_dictionary:to_list(rcl_state:releases(State)),
+    AppSpecs = rcl_release:applications(Release),
+    ?assert(lists:keymember(stdlib, 1, AppSpecs)),
+    ?assert(lists:keymember(kernel, 1, AppSpecs)),
+    ?assert(lists:member({non_goal_1, "0.0.1"}, AppSpecs)),
+    ?assert(lists:member({non_goal_2, "0.0.1"}, AppSpecs)),
+    ?assert(lists:member({goal_app_1, "0.0.1"}, AppSpecs)),
+    ?assert(lists:member({goal_app_2, "0.0.1"}, AppSpecs)),
+    ?assert(lists:member({OverrideAppName, OverrideVsn}, AppSpecs)),
+    ?assert(lists:member({lib_dep_1, "0.0.1", load}, AppSpecs)),
+    {ok, Real} = file:read_link(filename:join([OutputDir, "lib",
+                                               OverrideApp ++ "-" ++ OverrideVsn])),
+    ?assertMatch(OverrideAppDir, Real).
+
+
+
 %%%===================================================================
 %%% Helper Functions
 %%%===================================================================
-- 
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