mirror of
https://github.com/correl/rebar.git
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118 lines
4.2 KiB
Erlang
118 lines
4.2 KiB
Erlang
%% -*- tab-width: 4;erlang-indent-level: 4;indent-tabs-mode: nil -*-
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%% ex: ts=4 sw=4 et
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%% -------------------------------------------------------------------
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%%
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%% rebar: Erlang Build Tools
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%%
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%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.com)
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%%
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%% Permission is hereby granted, free of charge, to any person obtaining a copy
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%% of this software and associated documentation files (the "Software"), to deal
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%% in the Software without restriction, including without limitation the rights
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%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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%% copies of the Software, and to permit persons to whom the Software is
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%% furnished to do so, subject to the following conditions:
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%%
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%% The above copyright notice and this permission notice shall be included in
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%% all copies or substantial portions of the Software.
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%%
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%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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%% THE SOFTWARE.
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%% -------------------------------------------------------------------
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-module(rebar_config).
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-export([new/0, new/1,
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get/3, get_local/3, get_list/3,
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get_all/2,
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set/3,
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set_global/2, get_global/2,
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is_verbose/0, get_jobs/0]).
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-include("rebar.hrl").
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%% ===================================================================
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%% Public API
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%% ===================================================================
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new() ->
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#config { dir = rebar_utils:get_cwd(),
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opts = []}.
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new(ParentConfig) ->
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%% Load terms from rebar.config, if it exists
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Dir = rebar_utils:get_cwd(),
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ConfigFile = filename:join([Dir, "rebar.config"]),
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case file:consult(ConfigFile) of
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{ok, Terms} ->
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%% Found a config file with some terms. We need to be able to
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%% distinguish between local definitions (i.e. from the file
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%% in the cwd) and inherited definitions. To accomplish this,
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%% we use a marker in the proplist (since order matters) between
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%% the new and old defs.
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Opts = Terms ++ [local] ++ [Opt || Opt <- ParentConfig#config.opts, Opt /= local];
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{error, enoent} ->
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Opts = [local] ++ [Opt || Opt <- ParentConfig#config.opts, Opt /= local];
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Other ->
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Opts = undefined, % Keep erlc happy
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?ABORT("Failed to load ~s: ~p\n", [ConfigFile, Other])
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end,
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#config { dir = Dir, opts = Opts }.
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get(Config, Key, Default) ->
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proplists:get_value(Key, Config#config.opts, Default).
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get_list(Config, Key, Default) ->
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get(Config, Key, Default).
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get_local(Config, Key, Default) ->
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proplists:get_value(Key, local_opts(Config#config.opts, []), Default).
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get_all(Config, Key) ->
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proplists:get_all_values(Key, Config#config.opts).
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set(Config, Key, Value) ->
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Opts = proplists:delete(Key, Config#config.opts),
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Config#config { opts = [{Key, Value} | Opts] }.
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set_global(jobs=Key, Value) when is_list(Value) ->
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set_global(Key,list_to_integer(Value));
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set_global(jobs=Key, Value) when is_integer(Value) ->
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application:set_env(rebar_global, Key, erlang:max(1,Value));
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set_global(Key, Value) ->
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application:set_env(rebar_global, Key, Value).
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get_global(Key, Default) ->
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case application:get_env(rebar_global, Key) of
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undefined ->
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Default;
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{ok, Value} ->
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Value
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end.
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is_verbose() ->
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case get_global(verbose, "0") of
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"1" ->
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true;
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_ ->
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false
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end.
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get_jobs() ->
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get_global(jobs, 3).
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%% ===================================================================
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%% Internal functions
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%% ===================================================================
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local_opts([], Acc) ->
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lists:reverse(Acc);
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local_opts([local | _Rest], Acc) ->
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lists:reverse(Acc);
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local_opts([Item | Rest], Acc) ->
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local_opts(Rest, [Item | Acc]).
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