Merge pull request #2 from ericbmerritt/rename-to-relx

Relup + rename support

1 files changed, 837 insertions, 0 deletions

diff --git a/test/rlx_release_SUITE.erl b/test/rlx_release_SUITE.erl
new file mode 100644
index 0000000..ea4b20d
--- /dev/null
+++ b/test/rlx_release_SUITE.erl
@@ -0,0 +1,837 @@
+%% -*- erlang-indent-level: 4; indent-tabs-mode: nil; fill-column: 92 -*-
+%%% Copyright 2012 Erlware, LLC. All Rights Reserved.
+%%%
+%%% This file is provided to you under the Apache License,
+%%% Version 2.0 (the "License"); you may not use this file
+%%% except in compliance with the License.  You may obtain
+%%% a copy of the License at
+%%%
+%%%   http://www.apache.org/licenses/LICENSE-2.0
+%%%
+%%% Unless required by applicable law or agreed to in writing,
+%%% software distributed under the License is distributed on an
+%%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+%%% KIND, either express or implied.  See the License for the
+%%% specific language governing permissions and limitations
+%%% under the License.
+%%%-------------------------------------------------------------------
+%%% @author Eric Merrit <[email protected]>
+%%% @copyright (C) 2012, Eric Merrit
+-module(rlx_release_SUITE).
+
+-export([suite/0,
+         init_per_suite/1,
+         end_per_suite/1,
+         init_per_testcase/2,
+         all/0,
+         make_release/1,
+         make_scriptless_release/1,
+         make_overridden_release/1,
+         make_skip_app_release/1,
+         make_rerun_overridden_release/1,
+         make_implicit_config_release/1,
+         overlay_release/1,
+         make_goalless_release/1,
+         make_depfree_release/1,
+         make_invalid_config_release/1,
+         make_relup_release/1,
+         make_relup_release2/1,
+         make_one_app_top_level_release/1]).
+
+-include_lib("common_test/include/ct.hrl").
+-include_lib("eunit/include/eunit.hrl").
+-include_lib("kernel/include/file.hrl").
+-include_lib("kernel/include/file.hrl").
+
+suite() ->
+    [{timetrap,{seconds,30}}].
+
+init_per_suite(Config) ->
+    Config.
+
+end_per_suite(_Config) ->
+    ok.
+
+init_per_testcase(_, Config) ->
+    DataDir = proplists:get_value(data_dir, Config),
+    LibDir1 = filename:join([DataDir, create_random_name("lib_dir1_")]),
+    ok = rlx_util:mkdir_p(LibDir1),
+    State = rlx_state:new([{lib_dirs, [LibDir1]}], release),
+    [{lib1, LibDir1},
+     {state, State} | Config].
+
+all() ->
+    [make_release, make_scriptless_release, make_overridden_release,
+     make_skip_app_release,
+     make_implicit_config_release, make_rerun_overridden_release,
+     overlay_release, make_goalless_release, make_depfree_release,
+     make_invalid_config_release, make_relup_release, make_relup_release2,
+     make_one_app_top_level_release].
+
+make_release(Config) ->
+    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)]],
+
+    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], []),
+
+    ConfigFile = filename:join([LibDir1, "relx.config"]),
+    write_config(ConfigFile,
+                 [{release, {foo, "0.0.1"},
+                   [goal_app_1,
+                    goal_app_2]}]),
+    OutputDir = filename:join([proplists:get_value(data_dir, Config),
+                               create_random_name("relx-output")]),
+    {ok, State} = relx:do(undefined, undefined, [], [LibDir1], 2,
+                              OutputDir, ConfigFile),
+    [{{foo, "0.0.1"}, Release}] = ec_dictionary:to_list(rlx_state:realized_releases(State)),
+    AppSpecs = rlx_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({lib_dep_1, "0.0.1", load}, AppSpecs)).
+
+make_invalid_config_release(Config) ->
+    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)]],
+
+    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], []),
+
+    ConfigFile = filename:join([LibDir1, "relx.config"]),
+    ok = ec_file:write(ConfigFile,
+                       "{release, {foo, \"0.0.1\"},
+                         [goal_app_1,
+                          goal_app_2,]}"),
+    OutputDir = filename:join([proplists:get_value(data_dir, Config),
+                               create_random_name("relx-output")]),
+    {error, {rlx_prv_config,
+             {consult, _, _}}} = relx:do(undefined, undefined, [], [LibDir1], 2,
+                                            OutputDir, ConfigFile).
+
+make_scriptless_release(Config) ->
+    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)]],
+
+    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], []),
+
+    ConfigFile = filename:join([LibDir1, "relx.config"]),
+    write_config(ConfigFile,
+                 [{generate_start_script, false},
+                  {release, {foo, "0.0.1"},
+                   [goal_app_1,
+                    goal_app_2]}]),
+    OutputDir = filename:join([proplists:get_value(data_dir, Config),
+                               create_random_name("relx-output")]),
+    {ok, State} = relx:do(undefined, undefined, [], [LibDir1], 2,
+                              OutputDir, ConfigFile),
+
+    ?assert(not ec_file:exists(filename:join([OutputDir, "bin", "foo"]))),
+    ?assert(not ec_file:exists(filename:join([OutputDir, "bin", "foo-0.0.1"]))),
+
+    [{{foo, "0.0.1"}, Release}] = ec_dictionary:to_list(rlx_state:realized_releases(State)),
+    AppSpecs = rlx_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({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 ++ "-" ++ OverrideVsn),
+    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, "relx.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("relx-output")]),
+    {ok, Cwd} = file:get_cwd(),
+    {ok, State} = relx:do(Cwd, undefined, undefined, [], [LibDir1], 2,
+                             OutputDir, [{OverrideAppName, OverrideAppDir}],
+                             ConfigFile),
+    [{{foo, "0.0.1"}, Release}] = ec_dictionary:to_list(rlx_state:realized_releases(State)),
+    AppSpecs = rlx_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).
+
+make_skip_app_release(Config) ->
+    DataDir = proplists:get_value(data_dir, Config),
+    SkipAppDir1 = filename:join([DataDir, create_random_name("skip_app_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)]],
+    SkipAppApp = create_random_name("skip_app_app"),
+    SkipAppVsn = create_random_vsn(),
+    SkipAppAppName = erlang:list_to_atom(SkipAppApp),
+
+    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_empty_app(SkipAppDir1, SkipAppApp, SkipAppVsn, [stdlib,kernel], []),
+
+    ConfigFile = filename:join([LibDir1, "relx.config"]),
+    write_config(ConfigFile,
+                 [{release, {foo, "0.0.1"},
+                   [goal_app_1,
+                    goal_app_2]},
+                  {skip_apps, [erlang:list_to_atom(SkipAppApp)]}]),
+    OutputDir = filename:join([proplists:get_value(data_dir, Config),
+                               create_random_name("relx-output")]),
+    {ok, Cwd} = file:get_cwd(),
+    {ok, State} = relx:do(Cwd, undefined, undefined, [], [LibDir1], 2,
+                              OutputDir, [],
+                             ConfigFile),
+    [{{foo, "0.0.1"}, Release}] = ec_dictionary:to_list(rlx_state:realized_releases(State)),
+    AppSpecs = rlx_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)),
+    ?assertNot(lists:member({SkipAppAppName, SkipAppVsn}, AppSpecs)),
+    ?assert(lists:member({lib_dep_1, "0.0.1", load}, AppSpecs)).
+
+make_implicit_config_release(Config) ->
+    LibDir1 = proplists:get_value(lib1, Config),
+    FooRoot = filename:join([LibDir1, "foodir1", "foodir2"]),
+    filelib:ensure_dir(filename:join([FooRoot, "tmp"])),
+    [(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)]],
+
+    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], []),
+
+    ConfigFile = filename:join([LibDir1, "relx.config"]),
+    write_config(ConfigFile,
+                 [{release, {foo, "0.0.1"},
+                   [goal_app_1,
+                    goal_app_2]}]),
+    OutputDir = filename:join([proplists:get_value(data_dir, Config),
+                               create_random_name("relx-output")]),
+    ok = file:set_cwd(FooRoot),
+    {ok, FooRoot} = file:get_cwd(),
+    {ok, State} = relx:do(undefined, undefined, [], [LibDir1], 2,
+                             OutputDir, undefined),
+    [{{foo, "0.0.1"}, Release}] = ec_dictionary:to_list(rlx_state:realized_releases(State)),
+    ?assert(ec_file:exists(OutputDir)),
+    AppSpecs = rlx_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({lib_dep_1, "0.0.1", load}, AppSpecs)).
+
+make_rerun_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 ++ "-"
+                                  ++ OverrideVsn),
+    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, "relx.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("relx-output")]),
+    {ok, Cwd} = file:get_cwd(),
+    {ok, _} = relx:do(Cwd, undefined, undefined, [], [LibDir1], 2,
+                             OutputDir, [{OverrideAppName, OverrideAppDir}],
+                             ConfigFile),
+
+    %% Now we run it again to see if it fails.
+    {ok, State} = relx:do(Cwd,undefined, undefined, [], [LibDir1], 2,
+                             OutputDir, [{OverrideAppName, OverrideAppDir}],
+                             ConfigFile),
+
+    [{{foo, "0.0.1"}, Release}] = ec_dictionary:to_list(rlx_state:realized_releases(State)),
+    AppSpecs = rlx_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).
+
+overlay_release(Config) ->
+    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)]],
+
+    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], []),
+
+    ConfigFile = filename:join([LibDir1, "relx.config"]),
+    OverlayVars = filename:join([LibDir1, "vars.config"]),
+    Template = filename:join([LibDir1, "test_template"]),
+    write_config(ConfigFile,
+                 [{overlay_vars, OverlayVars},
+                  {overlay, [{mkdir, "{{target_dir}}/fooo"},
+                             {copy, OverlayVars,
+                              "{{target_dir}}/{{foo_dir}}/vars.config"},
+                             {copy, OverlayVars,
+                              "{{target_dir}}/{{yahoo}}/"},
+                             {template, Template,
+                              "{{target_dir}}/test_template_resolved"}]},
+                  {release, {foo, "0.0.1"},
+                   [goal_app_1,
+                    goal_app_2]}]),
+
+    VarsFile = filename:join([LibDir1, "vars.config"]),
+    write_config(VarsFile, [{yahoo, "yahoo"},
+                            {yahoo2, [{foo, "bar"}]},
+                            {yahoo3, [{bar, "{{yahoo}}/{{yahoo2.foo}}"}]},
+                            {foo_dir, "foodir"}]),
+
+    TemplateFile = filename:join([LibDir1, "test_template"]),
+    ok = file:write_file(TemplateFile, test_template_contents()),
+    {ok, FileInfo} = file:read_file_info(TemplateFile),
+    ok = file:write_file_info(TemplateFile, FileInfo#file_info{mode=8#00777}),
+
+    OutputDir = filename:join([proplists:get_value(data_dir, Config),
+                               create_random_name("relx-output")]),
+
+    {ok, State} = relx:do(undefined, undefined, [], [LibDir1], 2,
+                              OutputDir, ConfigFile),
+
+    [{{foo, "0.0.1"}, Release}] = ec_dictionary:to_list(rlx_state:realized_releases(State)),
+    AppSpecs = rlx_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({lib_dep_1, "0.0.1", load}, AppSpecs)),
+
+    ?assert(ec_file:exists(filename:join(OutputDir, "fooo"))),
+    ?assert(ec_file:exists(filename:join([OutputDir, "foodir", "vars.config"]))),
+    ?assert(ec_file:exists(filename:join([OutputDir, "yahoo", "vars.config"]))),
+
+    TemplateData = case file:consult(filename:join([OutputDir, "test_template_resolved"])) of
+                       {ok, Details} ->
+                           Details;
+                       Error ->
+                           erlang:throw({failed_to_consult, Error})
+                   end,
+    {ok, ReadFileInfo} = file:read_file_info(filename:join([OutputDir, "test_template_resolved"])),
+    ?assertEqual(8#100777, ReadFileInfo#file_info.mode),
+
+    ?assertEqual(erlang:system_info(version),
+                 proplists:get_value(erts_vsn, TemplateData)),
+    ?assertEqual(erlang:system_info(version),
+                 proplists:get_value(release_erts_version, TemplateData)),
+    ?assertEqual("0.0.1",
+                 proplists:get_value(release_version, TemplateData)),
+    ?assertEqual(foo,
+                 proplists:get_value(release_name, TemplateData)),
+    ?assertEqual([kernel,stdlib,lib_dep_1,non_goal_2,non_goal_1,
+                  goal_app_1,goal_app_2],
+                 proplists:get_value(release_applications, TemplateData)),
+    ?assert(proplists:is_defined(std_version, TemplateData)),
+    ?assert(proplists:is_defined(kernel_version, TemplateData)),
+    ?assertEqual("0.0.1",
+                 proplists:get_value(non_goal_1_version, TemplateData)),
+    ?assertEqual("0.0.1",
+                 proplists:get_value(non_goal_2_version, TemplateData)),
+    ?assertEqual("0.0.1",
+                 proplists:get_value(goal_app_1_version, TemplateData)),
+    ?assertEqual("0.0.1",
+                 proplists:get_value(goal_app_2_version, TemplateData)),
+    ?assertEqual("0.0.1",
+                 proplists:get_value(lib_dep_1, TemplateData)),
+    ?assert(proplists:is_defined(lib_dep_1_dir, TemplateData)),
+    ?assertEqual([stdlib,kernel],
+                 proplists:get_value(lib_dep_1_active, TemplateData)),
+    ?assertEqual([],
+                 proplists:get_value(lib_dep_1_library, TemplateData)),
+    ?assertEqual("false",
+                 proplists:get_value(lib_dep_1_link, TemplateData)),
+    ?assertEqual("(2:debug)",
+                 proplists:get_value(log, TemplateData)),
+    ?assertEqual(OutputDir,
+                 proplists:get_value(output_dir, TemplateData)),
+    ?assertEqual(OutputDir,
+                 proplists:get_value(target_dir, TemplateData)),
+    ?assertEqual([],
+                 proplists:get_value(overridden, TemplateData)),
+    ?assertEqual([""],
+                 proplists:get_value(goals, TemplateData)),
+    ?assert(proplists:is_defined(lib_dirs, TemplateData)),
+    ?assert(proplists:is_defined(config_file, TemplateData)),
+    ?assertEqual([""],
+                 proplists:get_value(goals, TemplateData)),
+    ?assertEqual([],
+                 proplists:get_value(sys_config, TemplateData)),
+    ?assert(proplists:is_defined(root_dir, TemplateData)),
+    ?assertEqual(foo,
+                 proplists:get_value(default_release_name, TemplateData)),
+    ?assertEqual("0.0.1",
+                 proplists:get_value(default_release_version, TemplateData)),
+    ?assertEqual("foo-0.0.1",
+                 proplists:get_value(default_release, TemplateData)),
+    ?assertEqual("yahoo",
+                 proplists:get_value(yahoo, TemplateData)),
+    ?assertEqual("bar",
+                 proplists:get_value(yahoo2_foo, TemplateData)),
+    ?assertEqual("foodir",
+                 proplists:get_value(foo_dir, TemplateData)),
+    ?assertEqual("yahoo/bar",
+                 proplists:get_value(yahoo3, TemplateData)).
+
+make_goalless_release(Config) ->
+    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)]],
+
+    create_app(LibDir1, "goal_app_1", "0.0.1", [stdlib,kernel,non_goal_1], []),
+    create_app(LibDir1, "lib_dep_1", "0.0.1", [], []),
+    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], []),
+
+    ConfigFile = filename:join([LibDir1, "relx.config"]),
+    write_config(ConfigFile,
+                 [{release, {foo, "0.0.1"},
+                   []}]),
+    OutputDir = filename:join([proplists:get_value(data_dir, Config),
+                               create_random_name("relx-output")]),
+    ?assertMatch({error,{rlx_prv_release,no_goals_specified}},
+                 relx:do(undefined, undefined, [], [LibDir1], 2,
+                            OutputDir, ConfigFile)).
+
+make_depfree_release(Config) ->
+    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)]],
+
+    create_app(LibDir1, "goal_app_1", "0.0.1", [kernel,stdlib], []),
+    create_app(LibDir1, "lib_dep_1", "0.0.1", [kernel,stdlib], []),
+    create_app(LibDir1, "goal_app_2", "0.0.1", [kernel,stdlib], []),
+    create_app(LibDir1, "non_goal_1", "0.0.1", [kernel,stdlib], []),
+    create_app(LibDir1, "non_goal_2", "0.0.1", [kernel,stdlib], []),
+
+    ConfigFile = filename:join([LibDir1, "relx.config"]),
+    write_config(ConfigFile,
+                 [{release, {foo, "0.0.1"},
+                   [goal_app_1]}]),
+    OutputDir = filename:join([proplists:get_value(data_dir, Config),
+                               create_random_name("relx-output")]),
+    {ok, State} = relx:do(undefined, undefined, [], [LibDir1], 2,
+                             OutputDir, ConfigFile),
+    [{{foo, "0.0.1"}, Release}] = ec_dictionary:to_list(rlx_state:realized_releases(State)),
+    AppSpecs = rlx_release:applications(Release),
+    ?assert(lists:keymember(stdlib, 1, AppSpecs)),
+    ?assert(lists:keymember(kernel, 1, AppSpecs)).
+
+make_relup_release(Config) ->
+    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)]],
+
+    create_app(LibDir1, "goal_app_1", "0.0.1", [stdlib,kernel,non_goal_1], []),
+    create_app(LibDir1, "goal_app_1", "0.0.2", [stdlib,kernel,non_goal_1], []),
+    {ok, GA1} = create_app(LibDir1, "goal_app_1", "0.0.3", [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, "goal_app_2", "0.0.2", [stdlib,kernel,goal_app_1,non_goal_2], []),
+    {ok, GA2} = create_app(LibDir1, "goal_app_2", "0.0.3", [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], []),
+
+    write_appup_file(GA1, "0.0.2"),
+    write_appup_file(GA2, "0.0.2"),
+
+    ConfigFile = filename:join([LibDir1, "relx.config"]),
+    write_config(ConfigFile,
+                 [{release, {foo, "0.0.1"},
+                   [sasl,
+                    {goal_app_1, "0.0.1"},
+                    {goal_app_2, "0.0.1"}]},
+                 {release, {foo, "0.0.2"},
+                   [sasl,
+                    {goal_app_1, "0.0.2"},
+                    {goal_app_2, "0.0.2"}]},
+                 {release, {foo, "0.0.3"},
+                   [sasl,
+                    {goal_app_1, "0.0.3"},
+                    {goal_app_2, "0.0.3"}]}]),
+    OutputDir = filename:join([proplists:get_value(data_dir, Config),
+                               create_random_name("relx-output")]),
+    {ok, _} = relx:do(foo, "0.0.1", [], [LibDir1], 2,
+                             OutputDir, ConfigFile),
+    {ok, _} = relx:do(foo, "0.0.2", [], [LibDir1], 2,
+                         OutputDir, ConfigFile),
+    {ok, State} = relx:do([{relname, foo},
+                              {relvsn, "0.0.3"},
+                              {goals, []},
+                              {lib_dirs, [LibDir1]},
+                              {log_level, 2},
+                              {output_dir, OutputDir},
+                              {config, ConfigFile}], ["relup"]),
+
+    %% we should have one 'resolved' release and three discovered realized_releases.
+    ?assertMatch([{foo, "0.0.1"},
+                  {foo, "0.0.2"},
+                  {foo, "0.0.3"}],
+                 lists:sort(ec_dictionary:keys(rlx_state:realized_releases(State)))),
+    Release = ec_dictionary:get({foo, "0.0.3"}, rlx_state:realized_releases(State)),
+    ?assert(rlx_release:realized(Release)),
+    ?assert(not rlx_release:realized(ec_dictionary:get({foo, "0.0.2"},
+                                                       rlx_state:realized_releases(State)))),
+    ?assert(not rlx_release:realized(ec_dictionary:get({foo, "0.0.1"},
+                                                      rlx_state:realized_releases(State)))),
+
+    ?assertMatch({ok, [{"0.0.3",
+                        [{"0.0.2",[],[point_of_no_return]}],
+                        [{"0.0.2",[],[point_of_no_return]}]}]},
+                 file:consult(filename:join(filename:dirname(rlx_release:relfile(Release)),
+                                            filename:basename(rlx_release:relfile(Release), ".rel") ++
+                                                ".relup"))),
+
+    ?assertMatch(foo, rlx_release:name(Release)),
+    ?assertMatch("0.0.3", rlx_release:vsn(Release)),
+    AppSpecs = rlx_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, "0.0.3"}, AppSpecs)),
+    ?assert(lists:member({goal_app_2, "0.0.3"}, AppSpecs)),
+    ?assert(lists:member({lib_dep_1, "0.0.1", load}, AppSpecs)).
+
+
+make_relup_release2(Config) ->
+    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)]],
+
+    create_app(LibDir1, "goal_app_1", "0.0.1", [stdlib,kernel,non_goal_1], []),
+    create_app(LibDir1, "goal_app_1", "0.0.2", [stdlib,kernel,non_goal_1], []),
+    {ok, GA1} = create_app(LibDir1, "goal_app_1", "0.0.3", [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, "goal_app_2", "0.0.2", [stdlib,kernel,goal_app_1,non_goal_2], []),
+    {ok, GA2} = create_app(LibDir1, "goal_app_2", "0.0.3", [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], []),
+
+    write_appup_file(GA1, "0.0.1"),
+    write_appup_file(GA2, "0.0.1"),
+
+    ConfigFile = filename:join([LibDir1, "relx.config"]),
+    write_config(ConfigFile,
+                 [{release, {foo, "0.0.1"},
+                   [sasl,
+                    {goal_app_1, "0.0.1"},
+                    {goal_app_2, "0.0.1"}]},
+                 {release, {foo, "0.0.2"},
+                   [sasl,
+                    {goal_app_1, "0.0.2"},
+                    {goal_app_2, "0.0.2"}]},
+                 {release, {foo, "0.0.3"},
+                   [sasl,
+                    {goal_app_1, "0.0.3"},
+                    {goal_app_2, "0.0.3"}]}]),
+    OutputDir = filename:join([proplists:get_value(data_dir, Config),
+                               create_random_name("relx-output")]),
+    {ok, _} = relx:do(foo, "0.0.1", [], [LibDir1], 2,
+                             OutputDir, ConfigFile),
+    {ok, _} = relx:do(foo, "0.0.2", [], [LibDir1], 2,
+                         OutputDir, ConfigFile),
+    {ok, State} = relx:do([{relname, foo},
+                              {relvsn, "0.0.3"},
+                              {upfrom, "0.0.1"},
+                              {goals, []},
+                              {lib_dirs, [LibDir1]},
+                              {log_level, 2},
+                              {output_dir, OutputDir},
+                              {config, ConfigFile}], ["relup"]),
+
+    %% we should have one 'resolved' release and three discovered realized_releases.
+    ?assertMatch([{foo, "0.0.1"},
+                  {foo, "0.0.2"},
+                  {foo, "0.0.3"}],
+                 lists:sort(ec_dictionary:keys(rlx_state:realized_releases(State)))),
+    Release = ec_dictionary:get({foo, "0.0.3"}, rlx_state:realized_releases(State)),
+    ?assert(rlx_release:realized(Release)),
+    ?assert(not rlx_release:realized(ec_dictionary:get({foo, "0.0.2"},
+                                                       rlx_state:realized_releases(State)))),
+    ?assert(not rlx_release:realized(ec_dictionary:get({foo, "0.0.1"},
+                                                      rlx_state:realized_releases(State)))),
+
+    ?assertMatch({ok, [{"0.0.3",
+                        [{"0.0.1",[],[point_of_no_return]}],
+                        [{"0.0.1",[],[point_of_no_return]}]}]},
+                 file:consult(filename:join(filename:dirname(rlx_release:relfile(Release)),
+                                            filename:basename(rlx_release:relfile(Release), ".rel") ++
+                                                ".relup"))),
+
+    ?assertMatch(foo, rlx_release:name(Release)),
+    ?assertMatch("0.0.3", rlx_release:vsn(Release)),
+    AppSpecs = rlx_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, "0.0.3"}, AppSpecs)),
+    ?assert(lists:member({goal_app_2, "0.0.3"}, AppSpecs)),
+    ?assert(lists:member({lib_dep_1, "0.0.1", load}, AppSpecs)).
+
+
+make_one_app_top_level_release(Config) ->
+    LibDir1 = proplists:get_value(lib1, Config),
+    {ok, AppInfo} = create_app(LibDir1, "goal_app_1", "0.0.1", [stdlib,kernel], []),
+    AppDir = rlx_app_info:dir(AppInfo),
+    ConfigFile = filename:join([AppDir, "relx.config"]),
+    write_config(ConfigFile,
+                 [{release, {foo, "0.0.1"},
+                   [{goal_app_1, "0.0.1"}]}]),
+
+    OutputDir = filename:join([AppDir,
+                               create_random_name("relx-output")]),
+
+    {ok, Cwd} = file:get_cwd(),
+    ok = file:set_cwd(AppDir),
+    {ok, State} = relx:do(undefined, undefined, [], [], 2,
+                              OutputDir, ConfigFile),
+    ok = file:set_cwd(Cwd),
+    [{{foo, "0.0.1"}, Release}] = ec_dictionary:to_list(rlx_state:realized_releases(State)),
+    AppSpecs = rlx_release:applications(Release),
+    ?assert(lists:keymember(stdlib, 1, AppSpecs)),
+    ?assert(lists:keymember(kernel, 1, AppSpecs)),
+    ?assert(lists:member({goal_app_1, "0.0.1"}, AppSpecs)).
+
+
+%%%===================================================================
+%%% Helper Functions
+%%%===================================================================
+
+create_app(Dir, Name, Vsn, Deps, LibDeps) ->
+    AppDir = filename:join([Dir, Name ++ "-" ++ Vsn]),
+    write_app_file(AppDir, Name, Vsn, Deps, LibDeps),
+    write_beam_file(AppDir, Name),
+    rlx_app_info:new(erlang:list_to_atom(Name), Vsn, AppDir,
+                     Deps, []).
+
+create_empty_app(Dir, Name, Vsn, Deps, LibDeps) ->
+    AppDir = filename:join([Dir, Name ++ "-" ++ Vsn]),
+    write_app_file(AppDir, Name, Vsn, Deps, LibDeps),
+    rlx_app_info:new(erlang:list_to_atom(Name), Vsn, AppDir,
+                     Deps, []).
+
+write_beam_file(Dir, Name) ->
+    Beam = filename:join([Dir, "ebin", "not_a_real_beam" ++ Name ++ ".beam"]),
+    ok = filelib:ensure_dir(Beam),
+    ok = ec_file:write_term(Beam, testing_purposes_only).
+
+write_appup_file(AppInfo, DownVsn) ->
+    Dir = rlx_app_info:dir(AppInfo),
+    Name = rlx_util:to_string(rlx_app_info:name(AppInfo)),
+    Vsn = rlx_app_info:vsn_as_string(AppInfo),
+    Filename = filename:join([Dir, "ebin", Name ++ ".appup"]),
+    ok = filelib:ensure_dir(Filename),
+    ok = ec_file:write_term(Filename, {Vsn, [{DownVsn, []}], [{DownVsn, []}]}).
+
+write_app_file(Dir, Name, Version, Deps, LibDeps) ->
+    Filename = filename:join([Dir, "ebin", Name ++ ".app"]),
+    ok = filelib:ensure_dir(Filename),
+    ok = ec_file:write_term(Filename, get_app_metadata(Name, Version, Deps, LibDeps)).
+
+get_app_metadata(Name, Vsn, Deps, LibDeps) ->
+    {application, erlang:list_to_atom(Name),
+     [{description, ""},
+      {vsn, Vsn},
+      {modules, []},
+      {included_applications, LibDeps},
+      {registered, []},
+      {applications, Deps}]}.
+
+create_random_name(Name) ->
+    random:seed(erlang:now()),
+    Name ++ erlang:integer_to_list(random:uniform(1000000)).
+
+create_random_vsn() ->
+    random:seed(erlang:now()),
+    lists:flatten([erlang:integer_to_list(random:uniform(100)),
+                   ".", erlang:integer_to_list(random:uniform(100)),
+                   ".", erlang:integer_to_list(random:uniform(100))]).
+
+write_config(Filename, Values) ->
+    ok = ec_file:write(Filename,
+                       [io_lib:format("~p.\n", [Val]) || Val <- Values]).
+
+test_template_contents() ->
+    "{erts_vsn, \"{{erts_vsn}}\"}.\n"
+     "{release_erts_version, \"{{release_erts_version}}\"}.\n"
+        "{release_name, {{release_name}}}.\n"
+        "{rel_vsn, \"{{release_version}}\"}.\n"
+        "{release_version, \"{{release_version}}\"}.\n"
+        "{release_applications, [{{ release_applications|join:\", \" }}]}.\n"
+        "{std_version, \"{{release.stdlib.version}}\"}.\n"
+        "{kernel_version, \"{{release.kernel.version}}\"}.\n"
+        "{non_goal_1_version, \"{{release.non_goal_1.version}}\"}.\n"
+        "{non_goal_2_version, \"{{release.non_goal_2.version}}\"}.\n"
+        "{goal_app_1_version, \"{{release.goal_app_1.version}}\"}.\n"
+        "{goal_app_2_version, \"{{release.goal_app_2.version}}\"}.\n"
+        "{lib_dep_1, \"{{release.lib_dep_1.version}}\"}.\n"
+        "{lib_dep_1_dir, \"{{release.lib_dep_1.dir}}\"}.\n"
+        "{lib_dep_1_active, [{{ release.lib_dep_1.active_dependencies|join:\", \" }}]}.\n"
+        "{lib_dep_1_library, [{{ release.lib_dep_1.library_dependencies|join:\", \" }}]}.\n"
+        "{lib_dep_1_link, \"{{release.lib_dep_1.link}}\"}.\n"
+        "{log, \"{{log}}\"}.\n"
+        "{output_dir, \"{{output_dir}}\"}.\n"
+        "{target_dir, \"{{target_dir}}\"}.\n"
+        "{overridden, [{{ overridden|join:\", \" }}]}.\n"
+        "{goals, [\"{{ goals|join:\", \" }}\"]}.\n"
+        "{lib_dirs, [\"{{ lib_dirs|join:\", \" }}\"]}.\n"
+        "{config_file, \"{{ config_file }}\"}.\n"
+        "{providers, [{{ providers|join:\", \" }}]}.\n"
+        "{sys_config, \"{{sys_config}}\"}.\n"
+        "{root_dir, \"{{root_dir}}\"}.\n"
+        "{default_release_name, {{default_release_name}}}.\n"
+        "{default_release_version, \"{{default_release_version}}\"}.\n"
+        "{default_release, \"{{default_release}}\"}.\n"
+        "{yahoo, \"{{yahoo}}\"}.\n"
+        "{yahoo2_foo, \"{{yahoo2.foo}}\"}.\n"
+        "{foo_dir, \"{{foo_dir}}\"}.\n"
+        "{yahoo3, \"{{yahoo3.bar}}\"}.\n".