diff options
Diffstat (limited to 'src/rebar_app_discover.erl')
| -rw-r--r-- | src/rebar_app_discover.erl | 81 |
1 files changed, 77 insertions, 4 deletions
diff --git a/src/rebar_app_discover.erl b/src/rebar_app_discover.erl index 67acf54..acefdb4 100644 --- a/src/rebar_app_discover.erl +++ b/src/rebar_app_discover.erl @@ -1,3 +1,5 @@ +%%% @doc utility functions to do the basic discovery of apps +%%% and layout for the project. -module(rebar_app_discover). -export([do/2, @@ -11,6 +13,8 @@ -include("rebar.hrl"). -include_lib("providers/include/providers.hrl"). +%% @doc from the base directory, +-spec do(rebar_state:t(), [file:filename()]) -> rebar_state:t(). do(State, LibDirs) -> BaseDir = rebar_state:dir(State), Dirs = [filename:join(BaseDir, LibDir) || LibDir <- LibDirs], @@ -55,6 +59,10 @@ do(State, LibDirs) -> end end, State1, SortedApps). +%% @doc checks whether there is an app at the top level (and returns its +%% name) or the 'root' atom in case we're in an umbrella project. +-spec define_root_app([rebar_app_info:t()], rebar_state:t()) -> + root | binary(). define_root_app(Apps, State) -> RootDir = rebar_dir:root_dir(State), case ec_lists:find(fun(X) -> @@ -67,11 +75,17 @@ define_root_app(Apps, State) -> root end. +%% @doc formatting errors from the module. +-spec format_error(term()) -> iodata(). 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]). +%% @doc handles the merging and application of profiles and overrides +%% for a given application, within its own context. +-spec merge_deps(rebar_app_info:t(), rebar_state:t()) -> + {rebar_app_info:t(), rebar_state:t()}. 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 @@ -97,6 +111,10 @@ merge_deps(AppInfo, State) -> {AppInfo2, State2}. +%% @doc Applies a given profile for an app, ensuring the deps +%% match the context it will require. +-spec handle_profile(atom(), binary(), rebar_app_info:t(), rebar_state:t()) -> + rebar_state:t(). handle_profile(Profile, Name, AppInfo, State) -> TopParsedDeps = rebar_state:get(State, {parsed_deps, Profile}, {[], []}), TopLevelProfileDeps = rebar_state:get(State, {deps, Profile}, []), @@ -113,6 +131,12 @@ handle_profile(Profile, Name, AppInfo, State) -> State2 = rebar_state:set(State1, {deps, Profile}, ProfileDeps2), rebar_state:set(State2, {parsed_deps, Profile}, TopParsedDeps++ParsedDeps). +%% @doc parses all the known dependencies for a given profile +-spec parse_profile_deps(Profile, Name, Deps, Opts, rebar_state:t()) -> [rebar_app_info:t()] when + Profile :: atom(), + Name :: binary(), + Deps :: [term()], % TODO: refine types + Opts :: term(). % TODO: refine types 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}, []), @@ -123,14 +147,21 @@ parse_profile_deps(Profile, Name, Deps, Opts, State) -> ,Locks ,1). +%% @doc Find the app-level config and return the state updated +%% with the relevant app-level data. +-spec project_app_config(rebar_app_info:t(), rebar_state:t()) -> + {Config, rebar_state:t()} when + Config :: [any()]. 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. +%% @doc 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 +-spec maybe_reset_hooks(file:filename(), Opts, rebar_state:t()) -> Opts when + Opts :: rebar_dict(). maybe_reset_hooks(Dir, Opts, State) -> case ec_file:real_dir_path(rebar_dir:root_dir(State)) of Dir -> @@ -139,17 +170,22 @@ maybe_reset_hooks(Dir, Opts, State) -> Opts end. +%% @doc make the hooks empty for a given set of options +-spec reset_hooks(Opts) -> Opts when Opts :: rebar_dict(). 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()). +%% @doc find the directories for all apps +-spec all_app_dirs([file:name()]) -> [file:name()]. all_app_dirs(LibDirs) -> lists:flatmap(fun(LibDir) -> app_dirs(LibDir) end, LibDirs). +%% @doc find the directories based on the library directories +-spec app_dirs([file:name()]) -> [file:name()]. app_dirs(LibDir) -> Path1 = filename:join([LibDir, "src", @@ -168,32 +204,51 @@ app_dirs(LibDir) -> [app_dir(File) || File <- Files] ++ Acc end, [], [Path1, Path2, Path3])). +%% @doc find all apps that haven't been built in a list of directories +-spec find_unbuilt_apps([file:filename_all()]) -> [rebar_app_info:t()]. find_unbuilt_apps(LibDirs) -> find_apps(LibDirs, invalid). +%% @doc for each directory passed, find all apps that are valid. +%% Returns all the related app info records. -spec find_apps([file:filename_all()]) -> [rebar_app_info:t()]. find_apps(LibDirs) -> find_apps(LibDirs, valid). +%% @doc for each directory passed, find all apps according +%% to the validity rule passed in. Returns all the related +%% app info records. -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)). +%% @doc check that a given app in a directory is there, and whether it's +%% valid or not based on the second argument. Returns the related +%% app info record. -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). +%% @doc check that a given app in a directory is there, and whether it's +%% valid or not based on the second argument. Returns the related +%% app info record. +-spec find_app(rebar_app_info:t(), file:filename_all(), valid | invalid | all) -> + {true, rebar_app_info:t()} | false. 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). +%% @doc find the directory that an appfile has +-spec app_dir(file:filename()) -> file:filename(). app_dir(AppFile) -> filename:join(rebar_utils:droplast(filename:split(filename:dirname(AppFile)))). +%% @doc populates an app info record based on an app directory and its +%% app file. -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), @@ -215,8 +270,15 @@ create_app_info(AppInfo, AppDir, AppFile) -> 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 +%% @doc Read in and parse the .app file if it is availabe. Do the same for %% the .app.src file if it exists. +-spec try_handle_app_file(AppInfo, AppFile, AppDir, AppSrcFile, AppSrcScriptFile, valid | invalid | all) -> + {true, AppInfo} | false when + AppInfo :: rebar_app_info:t(), + AppFile :: file:filename(), + AppDir :: file:filename(), + AppSrcFile :: file:filename(), + AppSrcScriptFile :: file:filename(). 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) -> @@ -260,7 +322,14 @@ try_handle_app_file(AppInfo0, [File], AppDir, AppSrcFile, _, Validate) -> 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 +%% @doc Read in the .app.src file if we aren't looking for a valid (already +%% built) app. +-spec try_handle_app_src_file(AppInfo, AppFile, AppDir, AppSrcFile, valid | invalid | all) -> + {true, AppInfo} | false when + AppInfo :: rebar_app_info:t(), + AppFile :: file:filename(), + AppDir :: file:filename(), + AppSrcFile :: file:filename(). try_handle_app_src_file(_AppInfo, _, _AppDir, [], _Validate) -> false; try_handle_app_src_file(_AppInfo, _, _AppDir, _AppSrcFile, valid) -> @@ -277,9 +346,13 @@ try_handle_app_src_file(AppInfo, _, AppDir, [File], Validate) when Validate =:= try_handle_app_src_file(_AppInfo, _, _AppDir, Other, _Validate) -> throw({error, {multiple_app_files, Other}}). +%% @doc checks whether the given app is not blacklisted in the config. +-spec enable(rebar_state:t(), rebar_app_info:t()) -> boolean(). enable(State, AppInfo) -> not lists:member(to_atom(rebar_app_info:name(AppInfo)), rebar_state:get(State, excluded_apps, [])). +%% @private convert a binary to an atom. +-spec to_atom(binary()) -> atom(). to_atom(Bin) -> list_to_atom(binary_to_list(Bin)). |