Merge pull request #449 from lrascao/feature/support_appup_src_files

Support .appup.src files

ebin/rebar.app

@@ -27,6 +27,7 @@
               rebar_log,
               rebar_neotoma_compiler,
               rebar_otp_app,
+              rebar_otp_appup,
               rebar_port_compiler,
               rebar_proto_compiler,
               rebar_protobuffs_compiler,
@@ -80,6 +81,7 @@
                                rebar_erlydtl_compiler,
                                rebar_port_compiler,
                                rebar_otp_app,
+                               rebar_otp_appup,
                                rebar_ct,
                                rebar_eunit,
                                rebar_qc,

inttest/appup_src/appup_src_rt.erl

@@ -0,0 +1,67 @@
+%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
+%% ex: ts=4 sw=4 et
+%% -------------------------------------------------------------------
+%%
+%% rebar: Erlang Build Tools
+%%
+%% Copyright (c) 2015 Luis Rascao (luis.rascao@gmail.com)
+%%
+%% Permission is hereby granted, free of charge, to any person obtaining a copy
+%% of this software and associated documentation files (the "Software"), to deal
+%% in the Software without restriction, including without limitation the rights
+%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+%% copies of the Software, and to permit persons to whom the Software is
+%% furnished to do so, subject to the following conditions:
+%%
+%% The above copyright notice and this permission notice shall be included in
+%% all copies or substantial portions of the Software.
+%%
+%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+%% THE SOFTWARE.
+%% -------------------------------------------------------------------
+-module(appup_src_rt).
+
+-compile(export_all).
+
+-include_lib("eunit/include/eunit.hrl").
+
+files() ->
+    [{copy, "../../rebar", "rebar"},
+     {copy, "src", "src"}].
+
+run(Dir) ->
+    retest_log:log(debug, "Running in Dir: ~s~n", [Dir]),
+    {ok, [_Pid|Output]} = retest:sh("./rebar compile -vv",
+                                    [{async, false}]),
+
+    LineRegexp = "Compiled src/app\.appup\.src",
+    ?assertEqual(true, has_line(Output, LineRegexp)),
+
+    %% check that ebin/app.appup exists
+    ?assertMatch(true, filelib:is_regular("ebin/app.appup")),
+    retest_log:log(debug, "Generated ebin/app.appup~n", []),
+
+    %% check that ebin/app.appup has expected version
+    {ok, [{AppVersion, [{UpgradeFrom, _}], [{DowngradeTo, _}]}]} =
+        file:consult("ebin/app.appup"),
+    ?assertEqual(AppVersion, "1.2.2"),
+    ?assertEqual(UpgradeFrom, "1.2.1"),
+    ?assertEqual(DowngradeTo, "1.2.1"),
+    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.

inttest/appup_src/src/app.app.src

@@ -0,0 +1,5 @@
+{application, app,
+	[{vsn, "1"},
+     {modules, []},
+     {registered, []},
+     {applications, [kernel, stdlib]}]}.

inttest/appup_src/src/app.appup.src

@@ -0,0 +1,6 @@
+{"1.2.2",
+	[{"1.2.1",
+		[{update,proc1,{advanced,[]},[]},
+         {update,proc2,{advanced,[]},[]}]
+     }],
+     [{"1.2.1", []}]}.

inttest/appup_src/src/appup_src.erl

@@ -0,0 +1,6 @@
+-module(appup_src).
+
+-compile(export_all).
+
+test() ->
+    ok.

inttest/appup_src_script/appup_src_script_rt.erl

@@ -0,0 +1,67 @@
+%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
+%% ex: ts=4 sw=4 et
+%% -------------------------------------------------------------------
+%%
+%% rebar: Erlang Build Tools
+%%
+%% Copyright (c) 2015 Luis Rascao (luis.rascao@gmail.com)
+%%
+%% Permission is hereby granted, free of charge, to any person obtaining a copy
+%% of this software and associated documentation files (the "Software"), to deal
+%% in the Software without restriction, including without limitation the rights
+%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+%% copies of the Software, and to permit persons to whom the Software is
+%% furnished to do so, subject to the following conditions:
+%%
+%% The above copyright notice and this permission notice shall be included in
+%% all copies or substantial portions of the Software.
+%%
+%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+%% THE SOFTWARE.
+%% -------------------------------------------------------------------
+-module(appup_src_script_rt).
+
+-compile(export_all).
+
+-include_lib("eunit/include/eunit.hrl").
+
+files() ->
+    [{copy, "../../rebar", "rebar"},
+     {copy, "src", "src"}].
+
+run(Dir) ->
+    retest_log:log(debug, "Running in Dir: ~s~n", [Dir]),
+    {ok, [_Pid|Output]} = retest:sh("./rebar compile -vv",
+                                    [{async, false}]),
+
+    LineRegexp = "Compiled src/app\.appup\.src",
+    ?assertEqual(true, has_line(Output, LineRegexp)),
+
+    %% check that ebin/app.appup exists
+    ?assertMatch(true, filelib:is_regular("ebin/app.appup")),
+    retest_log:log(debug, "Generated ebin/app.appup~n", []),
+
+    %% check that ebin/app.appup has expected version
+    {ok, [{AppVersion, [{UpgradeFrom, _}], [{DowngradeTo, _}]}]} =
+        file:consult("ebin/app.appup"),
+    ?assertEqual(AppVersion, "2.1.2"),
+    ?assertEqual(UpgradeFrom, "2.1.1"),
+    ?assertEqual(DowngradeTo, "2.1.1"),
+    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.

inttest/appup_src_script/src/app.app.src

@@ -0,0 +1,5 @@
+{application, app,
+	[{vsn, "1"},
+     {modules, []},
+     {registered, []},
+     {applications, [kernel, stdlib]}]}.

inttest/appup_src_script/src/app.appup.src

@@ -0,0 +1,6 @@
+{"1.2.2",
+	[{"1.2.1",
+		[{update,proc1,{advanced,[]},[]},
+         {update,proc2,{advanced,[]},[]}]
+     }],
+     [{"1.2.1", []}]}.

inttest/appup_src_script/src/app.appup.src.script

@@ -0,0 +1,9 @@
+%% decompose the appup
+[{AppVersion,
+	[{UpgradeFrom, UpgradeInstructions}],
+	[{DowngradeTo, DowngradeInstructions}]}] = CONFIG,
+
+%% and replace the version strings
+[{"2.1.2",
+	[{"2.1.1", UpgradeInstructions}],
+	[{"2.1.1", DowngradeInstructions}]}].

inttest/appup_src_script/src/appup_src.erl

@@ -0,0 +1,6 @@
+-module(appup_src).
+
+-compile(export_all).
+
+test() ->
+    ok.

src/rebar_otp_appup.erl

@@ -0,0 +1,88 @@
+%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
+%% ex: ts=4 sw=4 et
+%% -------------------------------------------------------------------
+%%
+%% rebar: Erlang Build Tools
+%%
+%% Copyright (c) 2015 Luis Rascao (luis.rascao@gmail.com)
+%%
+%% Permission is hereby granted, free of charge, to any person obtaining a copy
+%% of this software and associated documentation files (the "Software"), to deal
+%% in the Software without restriction, including without limitation the rights
+%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+%% copies of the Software, and to permit persons to whom the Software is
+%% furnished to do so, subject to the following conditions:
+%%
+%% The above copyright notice and this permission notice shall be included in
+%% all copies or substantial portions of the Software.
+%%
+%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+%% THE SOFTWARE.
+%% -------------------------------------------------------------------
+-module(rebar_otp_appup).
+
+-export([compile/2,
+         clean/2]).
+
+%% for internal use only
+-export([info/2]).
+
+-include("rebar.hrl").
+
+%% ===================================================================
+%% Public API
+%% ===================================================================
+
+-spec compile(rebar_config:config(), file:filename()) ->
+    {'ok', rebar_config:config()}.
+compile(Config, _AppFile) ->
+    %% If we get an *.appup.src file, it needs to be pre-processed and
+    %% written out as a ebin/*.appup file.
+    Files = rebar_utils:find_files_by_ext("src", ".appup.src"),
+    Targets = [filename:join("ebin",
+                             filename:rootname(filename:basename(F)))
+               || F <- Files],
+    rebar_base_compiler:run(Config, [],
+                            lists:zip(Files, Targets),
+                            fun preprocess/3,
+                            [{check_last_mod, true}]).
+
+clean(Config, _AppFile) ->
+    Files = rebar_utils:find_files_by_ext("ebin", ".appup"),
+    rebar_file_utils:delete_each([Files]),
+    {ok, Config}.
+
+%% ===================================================================
+%% Internal functions
+%% ===================================================================
+
+info(help, compile) ->
+    ?CONSOLE("Validate .appup.src file", []);
+info(help, clean) ->
+    ?CONSOLE("Delete .appup file if generated from .appup.src", []).
+
+preprocess(SourceFile, TargetFile, _Config) ->
+    %% Perform basic validation on the appup file
+    %% i.e. if a consult succeeds and basic appup
+    %% structure exists.
+    case rebar_config:consult_file(SourceFile) of
+        %% The .appup syntax is described in
+        %% http://erlang.org/doc/man/appup.html.
+        {ok, [{_Vsn, [_UpFromVsn], [_DownToVsn]} = AppUp]} ->
+            case file:write_file(TargetFile,
+                                 lists:flatten(io_lib:format("~p.", [AppUp]))) of
+                {error, Reason} ->
+                    ?ABORT("Failed writing to target file ~s due to ~s",
+                        [TargetFile, Reason]);
+                ok -> ok
+            end;
+        {error, Reason} ->
+            ?ABORT("Failed to compile ~s: ~p~n", [SourceFile, Reason]);
+        _ ->
+            ?ABORT("Failed to compile ~s, not an appup~n", [SourceFile])
+    end.