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-rw-r--r--src/rebar_config.erl55
-rw-r--r--src/rebar_core.erl207
2 files changed, 117 insertions, 145 deletions
diff --git a/src/rebar_config.erl b/src/rebar_config.erl
index 5684e66..3302d5b 100644
--- a/src/rebar_config.erl
+++ b/src/rebar_config.erl
@@ -24,10 +24,9 @@
%% -------------------------------------------------------------------
-module(rebar_config).
--export([new/1,
- get_modules/2,
- get_list/3,
- get/3,
+-export([new/0, new/1,
+ get/3, get_list/3,
+ delete/2,
set_global/2, get_global/2,
is_verbose/0]).
@@ -41,45 +40,34 @@
%% Public API
%% ===================================================================
-new(Dir) ->
- {ok, DefaultConfig} = application:get_env(rebar, default_config),
- BaseDict = orddict:from_list(DefaultConfig),
+new() ->
+ #config { dir = rebar_utils:get_cwd(),
+ opts = []}.
+new(ParentConfig) ->
%% Load terms from rebar.config, if it exists
+ Dir = rebar_utils:get_cwd(),
ConfigFile = filename:join([Dir, "rebar.config"]),
case file:consult(ConfigFile) of
{ok, Terms} ->
- Dict = merge_terms(Terms, BaseDict);
+ Opts = Terms ++ ParentConfig#config.opts;
{error, enoent} ->
- Dict = BaseDict;
+ Opts = ParentConfig#config.opts;
Other ->
+ Opts = undefined, % Keep erlc happy
?WARN("Failed to load ~s: ~p\n", [ConfigFile, Other]),
- ?FAIL,
- Dict = BaseDict
+ ?FAIL
end,
- #config { dir = Dir, opts = Dict }.
-
-
-get_modules(Config, app) ->
- get_list(Config, app_modules, []);
-get_modules(Config, rel) ->
- get_list(Config, rel_modules, []).
+ #config { dir = Dir, opts = Opts }.
get_list(Config, Key, Default) ->
- case orddict:find(Key, Config#config.opts) of
- error ->
- Default;
- {ok, List} ->
- List
- end.
+ get(Config, Key, Default).
get(Config, Key, Default) ->
- case orddict:find(Key, Config#config.opts) of
- error ->
- Default;
- {ok, Value} ->
- Value
- end.
+ proplists:get_value(Key, Config#config.opts, Default).
+
+delete(Config, Key) ->
+ Config#config { opts = proplists:delete(Key, Config#config.opts) }.
set_global(Key, Value) ->
application:set_env(rebar_global, Key, Value).
@@ -104,10 +92,3 @@ is_verbose() ->
%% ===================================================================
%% Internal functions
%% ===================================================================
-
-merge_terms([], Dict) ->
- Dict;
-merge_terms([{Key, Value} | Rest], Dict) ->
- merge_terms(Rest, orddict:store(Key, Value, Dict));
-merge_terms([_ | Rest], Dict) ->
- merge_terms(Rest, Dict).
diff --git a/src/rebar_core.erl b/src/rebar_core.erl
index fbc5c61..373a7e8 100644
--- a/src/rebar_core.erl
+++ b/src/rebar_core.erl
@@ -26,6 +26,8 @@
-export([run/1]).
+-export([app_dir/1, rel_dir/1]). % Ugh
+
-include("rebar.hrl").
-ifndef(BUILD_TIME).
@@ -46,6 +48,11 @@ run(Args) ->
%% Filter all the flags (i.e. string of form key=value) from the
%% command line arguments. What's left will be the commands to run.
Commands = filter_flags(Args, []),
+
+% dbg:tracer(),
+ dbg:p(all, call),
+ dbg:tpl(rebar_core, []),
+ dbg:tpl(rebar_erlc_compiler, clean, []),
%% Pre-load the rebar app so that we get default configuration
ok = application:load(rebar),
@@ -55,24 +62,12 @@ run(Args) ->
%% Initialize logging system
rebar_log:init(),
-
- %% From the current working directory, search recursively and find
- %% all the application and release directories. We always terminate the
- %% recursion at an application or release directory.
- Cwd = rebar_utils:get_cwd(),
- case target_type(Cwd) of
- undefined ->
- Targets = find_targets(Cwd);
- {Type, Filename} ->
- Targets = [{Type, Cwd, Filename}]
- end,
- %% Prefix all the app targets to the code path so that inter-app compilation
- %% works properly
- update_code_path(Targets),
+ %% Convert command strings to atoms
+ CommandAtoms = [list_to_atom(C) || C <- Commands],
- %% Finally, apply the specified command to each target
- apply_commands(Targets, Commands).
+ %% Load rebar.config, if it exists
+ process_dir(rebar_utils:get_cwd(), rebar_config:new(), CommandAtoms).
%% ===================================================================
@@ -97,118 +92,89 @@ filter_flags([Item | Rest], Commands) ->
?CONSOLE("Ignoring command line argument: ~p\n", [Other]),
filter_flags(Rest, Commands)
end.
-
-%%
-%% Recursively find all the targets starting at a root directory
-%%
-find_targets(Root) ->
- {ok, Files} = file:list_dir(Root),
- find_targets(Files, Root, [], 1).
+process_dir(Dir, ParentConfig, Commands) ->
+ ok = file:set_cwd(Dir),
+ Config = rebar_config:new(ParentConfig),
-find_targets([], _Root, Acc, _Depth) ->
- Acc;
-find_targets(_Files, _Root, Acc, 10) ->
- Acc;
-find_targets([F | Rest], Root, Acc, Depth) ->
- AbsName = filename:join([Root, F]),
- ?DEBUG("find_targets ~s ~s\n", [Root, F]),
- case target_type(AbsName) of
- undefined ->
- case filelib:is_dir(AbsName) of
- true ->
- {ok, SubFiles} = file:list_dir(AbsName),
- Acc2 = find_targets(SubFiles, AbsName, Acc, Depth+1);
- false ->
- Acc2 = Acc
- end;
- {Type, Filename} ->
- Acc2 = [{Type, AbsName, Filename} | Acc]
+ %% Save the current code path and then update it with
+ %% lib_dirs. Children inherit parents code path, but we
+ %% also want to ensure that we restore everything to pristine
+ %% condition after processing this child
+ CurrentCodePath = update_code_path(Config),
+
+ %% If there are any subdirs specified, process those first...
+ case rebar_config:get(Config, sub_dirs, []) of
+ [] ->
+ ok;
+ Subdirs ->
+ %% Edge case: config is inherited, EXCEPT for sub_dir directives -- filter those out
+ FilteredConfig = rebar_config:delete(Config, sub_dirs),
+ [process_dir(filename:join(Dir, Subdir), FilteredConfig, Commands) || Subdir <- Subdirs],
+ ok = file:set_cwd(Dir)
+ end,
+
+ %% Get the list of processing modules and check each one against
+ %% CWD to see if it's a fit -- if it is, use that set of modules
+ %% to process this dir.
+ {ok, AvailModuleSets} = application:get_env(rebar, modules),
+ case choose_module_set(AvailModuleSets, Dir) of
+ {ok, Modules, ModuleSetFile} ->
+ apply_commands(Commands, Modules, Config, ModuleSetFile);
+ none ->
+ ok
end,
- find_targets(Rest, Root, Acc2, Depth).
+
+ %% Once we're all done processing, reset the code path to whatever
+ %% the parent initialized it to
+ restore_code_path(CurrentCodePath),
+ ok.
%%
-%% Determine the target type of a given file: app, rel or undefined
+%% Give a list of module sets from rebar.app and a directory, find
+%% the appropriate subset of modules for this directory
%%
-target_type(AbsName) ->
- case rebar_app_utils:is_app_dir(AbsName) of
- {true, AppFile} ->
- {app, AppFile};
+choose_module_set([], _Dir) ->
+ none;
+choose_module_set([{Fn, Modules} | Rest], Dir) ->
+ case ?MODULE:Fn(Dir) of
+ {true, File} ->
+ {ok, Modules, File};
false ->
- case rebar_rel_utils:is_rel_dir(AbsName) of
- {true, ReltoolFile} ->
- {rel, ReltoolFile};
- false ->
- undefined
- end
+ choose_module_set(Rest, Dir)
end.
-
%%
-%% Add all application targets to the front of the code path
+%% Return .app file if the current directory is an OTP app
%%
-update_code_path([]) ->
- ok;
-update_code_path([{app, Dir, _} | Rest]) ->
- EbinDir = filename:join([Dir, "ebin"]),
- true = code:add_patha(EbinDir),
- ?DEBUG("Adding ~s to code path\n", [EbinDir]),
- update_code_path(Rest);
-update_code_path([_ | Rest]) ->
- update_code_path(Rest).
-
+app_dir(Dir) ->
+ rebar_app_utils:is_app_dir(Dir).
-apply_commands(_Targets, []) ->
- ok;
-apply_commands(Targets, [CommandStr | Rest]) ->
- %% Convert the command into an atom for convenience
- Command = list_to_atom(CommandStr),
+%%
+%% Return the reltool.config file if the current directory is release directory
+%%
+rel_dir(Dir) ->
+ rebar_rel_utils:is_rel_dir(Dir).
+
+
- case catch(apply_command(Targets, Command)) of
- ok ->
- apply_commands(Targets, Rest);
- Other ->
- Other
- end.
-apply_command([], _Command) ->
+apply_commands([], Modules, Config, ModuleFile) ->
ok;
-apply_command([{Type, Dir, File} | Rest], Command) ->
- ok = file:set_cwd(Dir),
- Config = rebar_config:new(Dir),
-
- %% Look for subdirs configuration list -- if it exists, we're going to process those first
- case subdirs(rebar_config:get_list(Config, subdirs, []), []) of
- [] ->
- ok;
- Subdirs ->
- ?DEBUG("Subdirs: ~p\n", [Subdirs]),
- update_code_path(Subdirs),
- case apply_command(Subdirs, Command) of
- ok ->
- ok = file:set_cwd(Dir);
- error ->
- ?FAIL
- end
- end,
-
-
- %% Pull the list of modules that are associated with Type operations. Each module
- %% will be inspected for a function matching Command and if found, will execute that.
- Modules = select_modules(rebar_config:get_modules(Config, Type), Command, []),
- case Modules of
+apply_commands([Command | Rest], Modules, Config, ModuleFile) ->
+ case select_modules(Modules, Command, []) of
[] ->
- %% None of the modules implement the command; move on to next target
- apply_command(Rest, Command);
- _ ->
+ apply_commands(Rest, Modules, Config, ModuleFile);
+ TargetModules ->
%% Provide some info on where we are
+ Dir = rebar_utils:get_cwd(),
?CONSOLE("==> ~s (~s)\n", [filename:basename(Dir), Command]),
%% Run the available modules
- case catch(run_modules(Modules, Command, Config, File)) of
+ case catch(run_modules(TargetModules, Command, Config, ModuleFile)) of
ok ->
- apply_command(Rest, Command);
+ apply_commands(Rest, Modules, Config, ModuleFile);
{error, failed} ->
error;
Other ->
@@ -217,10 +183,33 @@ apply_command([{Type, Dir, File} | Rest], Command) ->
end
end.
+
+update_code_path(Config) ->
+ case rebar_config:get(Config, lib_dirs, []) of
+ [] ->
+ no_change;
+ Paths ->
+ OldPath = code:get_path(),
+ LibPaths = expand_lib_dirs(Paths, rebar_utils:get_cwd(), []),
+ ok = code:add_pathsa(LibPaths),
+ {old, OldPath}
+ end.
+
+restore_code_path(no_change) ->
+ ok;
+restore_code_path({old, Path}) ->
+ true = code:set_path(Path),
+ ok.
+
+
+expand_lib_dirs([], _Root, Acc) ->
+ Acc;
+expand_lib_dirs([Dir | Rest], Root, Acc) ->
+ Apps = filelib:wildcard(filename:join([Dir, '*', ebin])),
+ FqApps = [filename:join([Root, A]) || A <- Apps],
+ expand_lib_dirs(Rest, Root, Apps ++ FqApps).
-subdirs(Dirs, Acc) ->
- lists:reverse(find_targets(Dirs, rebar_utils:get_cwd(), [], 1)).
select_modules([], _Command, Acc) ->
lists:reverse(Acc);
@@ -242,3 +231,5 @@ run_modules([Module | Rest], Command, Config, File) ->
{error, Reason} ->
{error, Reason}
end.
+
+
generated by cgit v1.1 at 2024-12-26 04:31:37 +0000