diff --git a/inttest/app_src/app_src.erl b/inttest/app_src/app_src.erl
new file mode 100644
index 0000000..dec7307
--- /dev/null
+++ b/inttest/app_src/app_src.erl
@@ -0,0 +1,6 @@
+-module(app_src).
+
+-compile(export_all).
+
+test() ->
+    ok.
diff --git a/inttest/app_src/app_src_rt.erl b/inttest/app_src/app_src_rt.erl
new file mode 100644
index 0000000..de27c65
--- /dev/null
+++ b/inttest/app_src/app_src_rt.erl
@@ -0,0 +1,54 @@
+%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
+%% ex: ts=4 sw=4 et
+-module(app_src_rt).
+
+-compile(export_all).
+
+-include_lib("eunit/include/eunit.hrl").
+
+files() ->
+    [{copy, "../../rebar", "rebar"},
+     {create, "src/app_src.app.src", app(app_src)}].
+
+run(Dir) ->
+    retest_log:log(debug, "Running in Dir: ~s~n", [Dir]),
+    {ok, [_Pid|Output]} = retest:sh("./rebar compile -vv",
+                                    [{async, false}]),
+
+    LineRegexp = "DEBUG: Consult config file .*/app_src\.app\.src.*",
+    ?assertEqual(true, has_line(Output, LineRegexp)),
+    retest_log:log(debug, "Evaluated .app.src.script~n", []),
+
+    %% check that ebin/app_src.app exists
+    ?assertMatch(true, filelib:is_regular("ebin/app_src.app")),
+    retest_log:log(debug, "Generated ebin/.app~n", []),
+
+    %% check that ebin/.app has vsn="2"
+    {ok, Bin} = file:read_file("ebin/app_src.app"),
+    Str = binary_to_list(Bin),
+    ?assertMatch({match, _}, re:run(Str, "{vsn, *\"2\"}")),
+    retest_log:log(debug, "Variable replacement in .app is ok.~n", []),
+
+    ok.
+
+has_line([], _RE) ->
+    false;
+has_line([L|T], RE) ->
+    case re:run(L, RE, []) of
+        {match, _Captured} ->
+            true;
+        match ->
+            true;
+        nomatch ->
+            has_line(T, RE)
+    end.
+
+%%
+%% Generate the contents of a simple .app.src.script file
+%%
+app(Name) ->
+    "{application, " ++ atom_to_list(Name) ++ ",
+           [{vsn, \"2\"},
+            {modules, []},
+             {registered, []},
+             {applications, [kernel, stdlib]}]}.\n".
diff --git a/inttest/app_src_script/app_src_script.erl b/inttest/app_src_script/app_src_script.erl
new file mode 100644
index 0000000..6372c92
--- /dev/null
+++ b/inttest/app_src_script/app_src_script.erl
@@ -0,0 +1,6 @@
+-module(app_src_script).
+
+-compile(export_all).
+
+test() ->
+    ok.
diff --git a/inttest/app_src_script/app_src_script_rt.erl b/inttest/app_src_script/app_src_script_rt.erl
new file mode 100644
index 0000000..f553fed
--- /dev/null
+++ b/inttest/app_src_script/app_src_script_rt.erl
@@ -0,0 +1,55 @@
+%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
+%% ex: ts=4 sw=4 et
+-module(app_src_script_rt).
+
+-compile(export_all).
+
+-include_lib("eunit/include/eunit.hrl").
+
+files() ->
+    [{copy, "../../rebar", "rebar"},
+     {create, "src/app_src.app.src.script", app_script(app_src)}].
+
+run(Dir) ->
+    retest_log:log(debug, "Running in Dir: ~s~n", [Dir]),
+    {ok, [_Pid|Output]} = retest:sh("./rebar compile -vv",
+                                    [{async, false}]),
+
+    Regexp = "DEBUG: Evaluating config script .*/app_src\.app\.src\.script.*",
+    ?assertEqual(true, has_line(Output, Regexp)),
+    retest_log:log(debug, "Evaluated .app.src.script~n", []),
+
+    %% check that ebin/app_src.app exists
+    ?assertMatch(true, filelib:is_regular("ebin/app_src.app")),
+    retest_log:log(debug, "Generated ebin/.app~n", []),
+
+    %% check that ebin/.app has vsn="2"
+    {ok, Bin} = file:read_file("ebin/app_src.app"),
+    Str = binary_to_list(Bin),
+    ?assertMatch({match, _}, re:run(Str, "{vsn, *\"2\"}")),
+    retest_log:log(debug, "Variable replacement in .app is ok.~n", []),
+
+    ok.
+
+has_line([], _RE) ->
+    false;
+has_line([L|T], RE) ->
+    case re:run(L, RE, []) of
+        {match, _Captured} ->
+            true;
+        match ->
+            true;
+        nomatch ->
+            has_line(T, RE)
+    end.
+
+%%
+%% Generate the contents of a simple .app.src.script file
+%%
+app_script(Name) ->
+    "Vsn=\"2\".\n" ++
+        "{application, " ++ atom_to_list(Name) ++ ",
+           [{vsn, Vsn},
+            {modules, []},
+            {registered, []},
+            {applications, [kernel, stdlib]}]}.\n".