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