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-module(rebar_app_discover).
-export([do/2,
format_error/1,
find_unbuilt_apps/1,
find_apps/1,
find_apps/2,
find_app/2,
find_app/3]).
-include("rebar.hrl").
-include_lib("providers/include/providers.hrl").
do(State, LibDirs) ->
BaseDir = rebar_state:dir(State),
Dirs = [filename:join(BaseDir, LibDir) || LibDir <- LibDirs],
Apps = find_apps(Dirs, all),
ProjectDeps = rebar_state:deps_names(State),
DepsDir = rebar_dir:deps_dir(State),
CurrentProfiles = rebar_state:current_profiles(State),
%% There may be a top level src which is an app and there may not
%% Find it here if there is, otherwise define the deps parent as root
TopLevelApp = define_root_app(Apps, State),
%% Handle top level deps
State1 = lists:foldl(fun(Profile, StateAcc) ->
ProfileDeps = rebar_state:get(StateAcc, {deps, Profile}, []),
ProfileDeps2 = rebar_utils:tup_dedup(ProfileDeps),
StateAcc1 = rebar_state:set(StateAcc, {deps, Profile}, ProfileDeps2),
ParsedDeps = parse_profile_deps(Profile
,TopLevelApp
,ProfileDeps2
,rebar_state:opts(StateAcc1)
,StateAcc1),
rebar_state:set(StateAcc1, {parsed_deps, Profile}, ParsedDeps)
end, State, lists:reverse(CurrentProfiles)),
%% Handle sub project apps deps
%% Sort apps so we get the same merged deps config everytime
SortedApps = rebar_utils:sort_deps(Apps),
lists:foldl(fun(AppInfo, StateAcc) ->
Name = rebar_app_info:name(AppInfo),
case enable(State, AppInfo) of
true ->
{AppInfo1, StateAcc1} = merge_deps(AppInfo, StateAcc),
OutDir = filename:join(DepsDir, Name),
AppInfo2 = rebar_app_info:out_dir(AppInfo1, OutDir),
ProjectDeps1 = lists:delete(Name, ProjectDeps),
rebar_state:project_apps(StateAcc1
,rebar_app_info:deps(AppInfo2, ProjectDeps1));
false ->
?INFO("Ignoring ~s", [Name]),
StateAcc
end
end, State1, SortedApps).
define_root_app(Apps, State) ->
RootDir = rebar_dir:root_dir(State),
case ec_lists:find(fun(X) ->
ec_file:real_dir_path(rebar_app_info:dir(X)) =:=
ec_file:real_dir_path(RootDir)
end, Apps) of
{ok, App} ->
rebar_app_info:name(App);
error ->
root
end.
format_error({module_list, File}) ->
io_lib:format("Error reading module list from ~p~n", [File]);
format_error({missing_module, Module}) ->
io_lib:format("Module defined in app file missing: ~p~n", [Module]).
merge_deps(AppInfo, State) ->
%% These steps make sure that hooks and artifacts are run in the context of
%% the application they are defined at. If an umbrella structure is used and
%% they are deifned at the top level they will instead run in the context of
%% the State and at the top level, not as part of an application.
Default = reset_hooks(rebar_state:default(State)),
{C, State1} = project_app_config(AppInfo, State),
AppInfo0 = rebar_app_info:update_opts(AppInfo, Default, C),
CurrentProfiles = rebar_state:current_profiles(State1),
Name = rebar_app_info:name(AppInfo0),
%% We reset the opts here to default so no profiles are applied multiple times
AppInfo1 = rebar_app_info:apply_overrides(rebar_state:get(State1, overrides, []), AppInfo0),
AppInfo2 = rebar_app_info:apply_profiles(AppInfo1, CurrentProfiles),
%% Will throw an exception if checks fail
rebar_app_info:verify_otp_vsn(AppInfo2),
State2 = lists:foldl(fun(Profile, StateAcc) ->
handle_profile(Profile, Name, AppInfo2, StateAcc)
end, State1, lists:reverse(CurrentProfiles)),
{AppInfo2, State2}.
handle_profile(Profile, Name, AppInfo, State) ->
TopParsedDeps = rebar_state:get(State, {parsed_deps, Profile}, {[], []}),
TopLevelProfileDeps = rebar_state:get(State, {deps, Profile}, []),
AppProfileDeps = rebar_app_info:get(AppInfo, {deps, Profile}, []),
AppProfileDeps2 = rebar_utils:tup_dedup(AppProfileDeps),
ProfileDeps2 = rebar_utils:tup_dedup(rebar_utils:tup_umerge(TopLevelProfileDeps
,AppProfileDeps2)),
State1 = rebar_state:set(State, {deps, Profile}, ProfileDeps2),
%% Only deps not also specified in the top level config need
%% to be included in the parsed deps
NewDeps = ProfileDeps2 -- TopLevelProfileDeps,
ParsedDeps = parse_profile_deps(Profile, Name, NewDeps, rebar_app_info:opts(AppInfo), State1),
State2 = rebar_state:set(State1, {deps, Profile}, ProfileDeps2),
rebar_state:set(State2, {parsed_deps, Profile}, TopParsedDeps++ParsedDeps).
parse_profile_deps(Profile, Name, Deps, Opts, State) ->
DepsDir = rebar_prv_install_deps:profile_dep_dir(State, Profile),
Locks = rebar_state:get(State, {locks, Profile}, []),
rebar_app_utils:parse_deps(Name
,DepsDir
,Deps
,rebar_state:opts(State, Opts)
,Locks
,1).
project_app_config(AppInfo, State) ->
C = rebar_config:consult(rebar_app_info:dir(AppInfo)),
Dir = rebar_app_info:dir(AppInfo),
Opts = maybe_reset_hooks(Dir, rebar_state:opts(State), State),
{C, rebar_state:opts(State, Opts)}.
%% Here we check if the app is at the root of the project.
%% If it is, then drop the hooks from the config so they aren't run twice
maybe_reset_hooks(Dir, Opts, State) ->
case ec_file:real_dir_path(rebar_dir:root_dir(State)) of
Dir ->
reset_hooks(Opts);
_ ->
Opts
end.
reset_hooks(Opts) ->
lists:foldl(fun(Key, OptsAcc) ->
rebar_opts:set(OptsAcc, Key, [])
end, Opts, [post_hooks, pre_hooks, provider_hooks, artifacts]).
-spec all_app_dirs(list(file:name())) -> list(file:name()).
all_app_dirs(LibDirs) ->
lists:flatmap(fun(LibDir) ->
app_dirs(LibDir)
end, LibDirs).
app_dirs(LibDir) ->
Path1 = filename:join([LibDir,
"src",
"*.app.src"]),
Path2 = filename:join([LibDir,
"src",
"*.app.src.script"]),
Path3 = filename:join([LibDir,
"ebin",
"*.app"]),
lists:usort(lists:foldl(fun(Path, Acc) ->
Files = filelib:wildcard(ec_cnv:to_list(Path)),
[app_dir(File) || File <- Files] ++ Acc
end, [], [Path1, Path2, Path3])).
find_unbuilt_apps(LibDirs) ->
find_apps(LibDirs, invalid).
-spec find_apps([file:filename_all()]) -> [rebar_app_info:t()].
find_apps(LibDirs) ->
find_apps(LibDirs, valid).
-spec find_apps([file:filename_all()], valid | invalid | all) -> [rebar_app_info:t()].
find_apps(LibDirs, Validate) ->
rebar_utils:filtermap(fun(AppDir) ->
find_app(AppDir, Validate)
end, all_app_dirs(LibDirs)).
-spec find_app(file:filename_all(), valid | invalid | all) -> {true, rebar_app_info:t()} | false.
find_app(AppDir, Validate) ->
find_app(rebar_app_info:new(), AppDir, Validate).
find_app(AppInfo, AppDir, Validate) ->
AppFile = filelib:wildcard(filename:join([AppDir, "ebin", "*.app"])),
AppSrcFile = filelib:wildcard(filename:join([AppDir, "src", "*.app.src"])),
AppSrcScriptFile = filelib:wildcard(filename:join([AppDir, "src", "*.app.src.script"])),
try_handle_app_file(AppInfo, AppFile, AppDir, AppSrcFile, AppSrcScriptFile, Validate).
app_dir(AppFile) ->
filename:join(rebar_utils:droplast(filename:split(filename:dirname(AppFile)))).
-spec create_app_info(rebar_app_info:t(), file:name(), file:name()) -> rebar_app_info:t().
create_app_info(AppInfo, AppDir, AppFile) ->
[{application, AppName, AppDetails}] = rebar_config:consult_app_file(AppFile),
AppVsn = proplists:get_value(vsn, AppDetails),
Applications = proplists:get_value(applications, AppDetails, []),
IncludedApplications = proplists:get_value(included_applications, AppDetails, []),
AppInfo1 = rebar_app_info:name(
rebar_app_info:original_vsn(
rebar_app_info:dir(AppInfo, AppDir), AppVsn), AppName),
AppInfo2 = rebar_app_info:applications(
rebar_app_info:app_details(AppInfo1, AppDetails),
IncludedApplications++Applications),
Valid = case rebar_app_utils:validate_application_info(AppInfo2) =:= true
andalso rebar_app_info:has_all_artifacts(AppInfo2) =:= true of
true ->
true;
_ ->
false
end,
rebar_app_info:dir(rebar_app_info:valid(AppInfo2, Valid), AppDir).
%% Read in and parse the .app file if it is availabe. Do the same for
%% the .app.src file if it exists.
try_handle_app_file(AppInfo, [], AppDir, [], AppSrcScriptFile, Validate) ->
try_handle_app_src_file(AppInfo, [], AppDir, AppSrcScriptFile, Validate);
try_handle_app_file(AppInfo, [], AppDir, AppSrcFile, _, Validate) ->
try_handle_app_src_file(AppInfo, [], AppDir, AppSrcFile, Validate);
try_handle_app_file(AppInfo0, [File], AppDir, AppSrcFile, _, Validate) ->
try create_app_info(AppInfo0, AppDir, File) of
AppInfo ->
AppInfo1 = rebar_app_info:app_file(AppInfo, File),
AppInfo2 = case AppSrcFile of
[F] ->
rebar_app_info:app_file_src(AppInfo1, F);
[] ->
%% Set to undefined in case AppInfo previous had a .app.src
rebar_app_info:app_file_src(AppInfo1, undefined);
Other when is_list(Other) ->
throw({error, {multiple_app_files, Other}})
end,
case Validate of
valid ->
case rebar_app_utils:validate_application_info(AppInfo2) of
true ->
{true, AppInfo2};
_ ->
false
end;
invalid ->
case rebar_app_utils:validate_application_info(AppInfo2) of
true ->
false;
_ ->
{true, AppInfo2}
end;
all ->
{true, AppInfo2}
end
catch
throw:{error, {Module, Reason}} ->
?DEBUG("Falling back to app.src file because .app failed: ~s", [Module:format_error(Reason)]),
try_handle_app_src_file(AppInfo0, File, AppDir, AppSrcFile, Validate)
end;
try_handle_app_file(_AppInfo, Other, _AppDir, _AppSrcFile, _, _Validate) ->
throw({error, {multiple_app_files, Other}}).
%% Read in the .app.src file if we aren't looking for a valid (already built) app
try_handle_app_src_file(_AppInfo, _, _AppDir, [], _Validate) ->
false;
try_handle_app_src_file(_AppInfo, _, _AppDir, _AppSrcFile, valid) ->
false;
try_handle_app_src_file(AppInfo, _, AppDir, [File], Validate) when Validate =:= invalid
; Validate =:= all ->
AppInfo1 = create_app_info(AppInfo, AppDir, File),
case filename:extension(File) of
".script" ->
{true, rebar_app_info:app_file_src_script(AppInfo1, File)};
_ ->
{true, rebar_app_info:app_file_src(AppInfo1, File)}
end;
try_handle_app_src_file(_AppInfo, _, _AppDir, Other, _Validate) ->
throw({error, {multiple_app_files, Other}}).
enable(State, AppInfo) ->
not lists:member(to_atom(rebar_app_info:name(AppInfo)),
rebar_state:get(State, excluded_apps, [])).
to_atom(Bin) ->
list_to_atom(binary_to_list(Bin)).
|
