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More gross structural work; now has log levels and broken out log level control

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This commit is contained in:
Dave Smith 2009-11-29 16:44:30 -07:00
parent 0151f63239
commit 28fe3bfd54
9 changed files with 418 additions and 148 deletions
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6
ebin/rebar.app
View file

@ -11,10 +11,14 @@
stdlib,
sasl]},
{env, [
%% Default log level
{log_level, error},
%% Key/value list of base/default configuration used by
%% rebar_config during initialization
{default_config, [
{app_modules, [ rebar_erlc_compiler ]}
{app_modules, [ rebar_erlc_compiler,
rebar_app_installer ]}
]}
]}
]}.

12
include/rebar.hrl
View file

@ -1,8 +1,14 @@
-record(global_state, { working_dir }).
-define(CONSOLE(Str, Args), io:format(Str, Args)).
-define(WARN(Str, Args), io:format("WARN: " ++ Str, Args)).
-define(FAIL, throw({error, failed})).
-define(CONSOLE(Str, Args), io:format(Str, Args)).
-define(DEBUG(Str, Args), rebar_log:log(debug, Str, Args)).
-define(INFO(Str, Args), rebar_log:log(info, Str, Args)).
-define(WARN(Str, Args), rebar_log:log(warn, Str, Args)).
-define(ERROR(Str, Args), rebar_log:log(error, Str, Args)).
-define(FMT(Str, Args), lists:flatten(io_lib:format(Str, Args))).

137
priv/rebar
View file

@ -28,138 +28,5 @@
-include_lib("rebar/include/rebar.hrl").
main(Commands) ->
%% Pre-load the rebar app so that we get default configuration
application:load(rebar),
%% 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),
%% Finally, apply the specified command to each target
apply_commands(Targets, Commands);
main(_) ->
io:format("usage: rebar <command>...\n").
%%
%% Recursively find all the targets starting at a root directory
%%
find_targets(Root) ->
{ok, Files} = file:list_dir(Root),
find_targets(Files, Root, [], 1).
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]),
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]
end,
find_targets(Rest, Root, Acc2, Depth).
%%
%% Determine the target type of a given file: app, rel or undefined
%%
target_type(AbsName) ->
case rebar_app_utils:is_app_dir(AbsName) of
{true, AppFile} ->
{app, AppFile};
false ->
case rebar_rel_utils:is_rel_dir(AbsName) of
true ->
{rel, ""};
false ->
undefined
end
end.
%%
%% Given a command and target type, determine if the command is applicable
%%
valid_command(compile, app) -> true;
valid_command(clean, _Any) -> true;
valid_command(_, _) -> false.
%%
%% Add all application targets to the front of the code path
%%
update_code_path([]) ->
ok;
update_code_path([{app, Dir, _} | Rest]) ->
EbinDir = filename:join([Dir, "ebin"]),
true = code:add_patha(EbinDir),
update_code_path(Rest);
update_code_path([_ | Rest]) ->
update_code_path(Rest).
apply_commands(_Targets, []) ->
ok;
apply_commands(Targets, [CommandStr | Rest]) ->
%% Convert the command into an atom for convenience
Command = list_to_atom(CommandStr),
%% Filter out all the targets, based on the specified command.
FilteredTargets = [{Type, Dir, Filename} || {Type, Dir, Filename} <- Targets,
valid_command(Command, Type) == true],
case apply_command(FilteredTargets, Command) of
ok ->
apply_commands(Targets, Rest);
Other ->
Other
end.
apply_command([], _Command) ->
ok;
apply_command([{Type, Dir, File} | Rest], Command) ->
ok = file:set_cwd(Dir),
Config = rebar_config:new(Dir),
%% Provide some info on where we are
?CONSOLE("==> ~s (~s)\n", [filename:basename(Dir), Command]),
%% 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 = rebar_config:get_modules(Config, Type),
case catch(run_modules(Modules, Command, Config, File)) of
ok ->
apply_command(Rest, Command);
Other ->
?CONSOLE("~p failed while processing ~s: ~p", [Command, Dir, Other])
end.
run_modules([], _Command, _Config, _File) ->
ok;
run_modules([Module | Rest], Command, Config, File) ->
case Module:Command(Config, File) of
ok ->
run_modules(Rest, Command, Config, File);
{error, Reason} ->
{error, Reason}
end.
main(Args) ->
rebar_core:run(Args).

68
src/rebar_app_installer.erl Normal file
View file

@ -0,0 +1,68 @@
%% -------------------------------------------------------------------
%%
%% rebar: Erlang Build Tools
%%
%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.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_app_installer).
-export([install/2]).
-include("rebar.hrl").
%% ===================================================================
%% Public API
%% ===================================================================
install(Config, File) ->
%% Load the app name and version from the .app file and construct
%% the app identifier
{ok, AppName, AppData} = rebar_app_utils:load_app_file(File),
Vsn = proplists:get_value(vsn, AppData),
AppId = ?FMT("~s-~s", [AppName, Vsn]),
?CONSOLE("Installing: ~s\n", [AppId]),
%% Check the erlang lib directory to see if this app identifier
%% is already present.
AppDir = filename:join([code:lib_dir(), AppId]),
case filelib:is_dir(AppDir) of
true ->
%% Already exists -- check for force=1 global flag and only
%% continue if it's set
case rebar_config:get_global(force, "0") of
"0" ->
?ERROR("~s already exists. Installation failed."),
?FAIL;
"1" ->
?WARN("~s already exists, but forcibly overwriting."),
end;
false ->
ok
end,
%% Wipe out any previous versions
ok = rebar_file_utils:rm_rf(Appdir),
%% Re-create target
ok = rebar_file_utils:mkdir_p(AppDir),
%% By default we copy the ebin, include, src and priv directories

21
src/rebar_app_utils.erl
View file

@ -24,7 +24,14 @@
%% -------------------------------------------------------------------
-module(rebar_app_utils).
-export([is_app_dir/0, is_app_dir/1]).
-export([is_app_dir/0, is_app_dir/1,
load_app_file/1]).
-include("rebar.hrl").
%% ===================================================================
%% Public API
%% ===================================================================
is_app_dir() ->
is_app_dir(rebar_util:get_cwd()).
@ -37,3 +44,15 @@ is_app_dir(Dir) ->
_ ->
false
end.
load_app_file(Filename) ->
case file:consult(Filename) of
{ok, [{application, AppName, AppData}]} ->
{ok, AppName, AppData};
{error, Reason} ->
?ERROR("Failed to load app file from ~s: ~p\n", [Filename, Reason]),
error;
Other ->
?ERROR("Unexpected terms from app file ~s: ~p\n", [Filename, Other]),
error
end.

15
src/rebar_config.erl
View file

@ -26,7 +26,8 @@
-export([new/1,
get_modules/2,
get_list/3]).
get_list/3,
set_global/2, get_global/2]).
-include("rebar.hrl").
@ -73,6 +74,16 @@ get_list(Config, Key, Default) ->
List
end.
set_global(Key, Value) ->
application:set_env(rebar_global, Key, Value).
get_global(Key, Default) ->
case application:get_env(rebar_global, Key) of
undefined ->
Default;
{ok, Value} ->
Value
end.
%% ===================================================================
@ -82,6 +93,6 @@ get_list(Config, Key, Default) ->
merge_terms([], Dict) ->
Dict;
merge_terms([{Key, Value} | Rest], Dict) ->
merge_terms(Rest, orddict:append(Key, Value, Dict));
merge_terms(Rest, orddict:store(Key, Value, Dict));
merge_terms([_ | Rest], Dict) ->
merge_terms(Rest, Dict).

208
src/rebar_core.erl Normal file
View file

@ -0,0 +1,208 @@
%% -------------------------------------------------------------------
%%
%% rebar: Erlang Build Tools
%%
%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.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_core).
-export([run/1]).
%% ===================================================================
%% Public API
%% ===================================================================
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, []),
%% Pre-load the rebar app so that we get default configuration
application:load(rebar),
%% 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),
%% Finally, apply the specified command to each target
apply_commands(Targets, Commands)
%% ===================================================================
%% Internal functions
%% ===================================================================
%%
%% Seperate all commands (single-words) from flags (key=value) and store
%% values into the rebar_config global storage.
%%
filter_flags([], Commands) ->
lists:reverse(Commands);
filter_flags([Item | Rest], Commands) ->
case string:tokens(Item, "=") of
[Command] ->
filter_flags(Rest, [Command | Commands]);
[KeyStr, Value] ->
Key = list_to_atom(KeyStr),
rebar_config:set_global(Key, Value),
filter_flags(Rest, Commands);
Other ->
?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).
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]),
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]
end,
find_targets(Rest, Root, Acc2, Depth).
%%
%% Determine the target type of a given file: app, rel or undefined
%%
target_type(AbsName) ->
case rebar_app_utils:is_app_dir(AbsName) of
{true, AppFile} ->
{app, AppFile};
false ->
case rebar_rel_utils:is_rel_dir(AbsName) of
true ->
{rel, ""};
false ->
undefined
end
end.
%%
%% Given a command and target type, determine if the command is applicable
%%
valid_command(compile, app) -> true;
valid_command(install, app) -> true;
valid_command(clean, _Any) -> true;
valid_command(_, _) -> false.
%%
%% Add all application targets to the front of the code path
%%
update_code_path([]) ->
ok;
update_code_path([{app, Dir, _} | Rest]) ->
EbinDir = filename:join([Dir, "ebin"]),
true = code:add_patha(EbinDir),
update_code_path(Rest);
update_code_path([_ | Rest]) ->
update_code_path(Rest).
apply_commands(_Targets, []) ->
ok;
apply_commands(Targets, [CommandStr | Rest]) ->
%% Convert the command into an atom for convenience
Command = list_to_atom(CommandStr),
%% Filter out all the targets, based on the specified command.
FilteredTargets = [{Type, Dir, Filename} || {Type, Dir, Filename} <- Targets,
valid_command(Command, Type) == true],
case apply_command(FilteredTargets, Command) of
ok ->
apply_commands(Targets, Rest);
Other ->
Other
end.
apply_command([], _Command) ->
ok;
apply_command([{Type, Dir, File} | Rest], Command) ->
ok = file:set_cwd(Dir),
Config = rebar_config:new(Dir),
%% Provide some info on where we are
?CONSOLE("==> ~s (~s)\n", [filename:basename(Dir), Command]),
%% 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 = rebar_config:get_modules(Config, Type),
case catch(run_modules(Modules, Command, Config, File)) of
ok ->
apply_command(Rest, Command);
Other ->
?ERROR("~p failed while processing ~s: ~p", [Command, Dir, Other])
end.
run_modules([], _Command, _Config, _File) ->
ok;
run_modules([Module | Rest], Command, Config, File) ->
case invoke_command(Module, Command, Config, File) of
ok ->
run_modules(Rest, Command, Config, File);
{error, Reason} ->
{error, Reason}
end.
invoke_command(Module, Command, Config, File) ->
Exports = Module:module_info(exports),
case lists:member({Command, 2}, Exports) of
true ->
Module:Command(Config, File);
false ->
?DEBUG("Skipping ~s:~s/2 (not exported)\n", [Module, Command]),
ok
end.

11
src/rebar_erlc_compiler.erl
View file

@ -87,6 +87,7 @@ compile_each([{Src, Target} | Rest], Config, CompileFn) ->
?CONSOLE("Compiling ~s\n", [Src]),
CompileFn(Src, Config);
false ->
?INFO("Skipping ~s\n", [Src]),
ok
end,
compile_each(Rest, Config, CompileFn).
@ -98,10 +99,12 @@ needs_compile(Src, Target) ->
target_file(F, TargetDir, InExt, OutExt) ->
filename:join([TargetDir, filename:basename(F, InExt) ++ OutExt]).
compile_opts(Config, Key) ->
rebar_config:get_list(Config, Key, []).
compile_erl(Source, Config) ->
Opts = rebar_config:get_list(Config, erl_opts, []),
case compile:file(Source, [{i, "include"}, {outdir, "ebin"}, report] ++ Opts) of
Opts = [{i, "include"}, {outdir, "ebin"}, report] ++ compile_opts(Config, erl_opts),
case compile:file(Source, Opts) of
{ok, _} ->
ok;
error ->
@ -109,8 +112,8 @@ compile_erl(Source, Config) ->
end.
compile_mib(Source, Config) ->
Opts = rebar_config:get_list(Config, mib_opts, []),
case snmpc:compile(Source, [{outdir, "priv/mibs"}, {i, ["priv/mibs"]}] ++ Opts) of
Opts = [{outdir, "priv/mibs"}, {i, ["priv/mibs"]}] ++ compile_opts(Config, mib_opts),
case snmpc:compile(Source, Opts) of
{ok, _} ->
ok;
{error, compilation_failed} ->

84
src/rebar_log.erl Normal file
View file

@ -0,0 +1,84 @@
%% -------------------------------------------------------------------
%%
%% rebar: Erlang Build Tools
%%
%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.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_log).
-export([init/0,
set_level/1, get_level/0,
log/3]).
%% ===================================================================
%% Public API
%% ===================================================================
init() ->
case rebar_config:get_global(verbose, "0") of
"1" ->
set_level(debug);
_ ->
set_level(error)
end.
set_level(Level) ->
ok = application:set_env(rebar, log_level, Level).
get_level() ->
case application:get_env(rebar, log_level) of
undefined ->
error;
{ok, Value} ->
Value
end.
log(Level, Str, Args) ->
{ok, LogLevel} = application:get_env(rebar, log_level),
case should_log(LogLevel, Level) of
true ->
io:format(log_prefix(Level) ++ Str, Args);
false ->
ok
end.
%% ===================================================================
%% Internal functions
%% ===================================================================
should_log(debug, _) -> true;
should_log(info, debug) -> false;
should_log(info, _) -> true;
should_log(warn, debug) -> false;
should_log(warn, info) -> false;
should_log(warn, _) -> true;
should_log(error, error) -> true;
should_log(error, _) -> false;
should_log(_, _) -> false.
log_prefix(debug) -> "DEBUG:" ;
log_prefix(info) -> "INFO: ";
log_prefix(warn) -> "WARN: ";
log_prefix(error) -> "ERROR: ".