mirror of
https://github.com/correl/rebar.git
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117 lines
4 KiB
Erlang
117 lines
4 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_app_utils).
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-export([is_app_dir/0, is_app_dir/1,
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is_app_src/1,
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app_src_to_app/1,
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app_name/1,
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app_applications/1,
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app_vsn/1]).
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-export([load_app_file/1]). % TEMPORARY
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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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is_app_dir() ->
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is_app_dir(rebar_util:get_cwd()).
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is_app_dir(Dir) ->
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AppSrc = filename:join(Dir, "src/*.app.src"),
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case filelib:wildcard(AppSrc) of
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[AppSrcFile] ->
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{true, AppSrcFile};
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_ ->
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App = filename:join([Dir, "ebin/*.app"]),
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case filelib:wildcard(App) of
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[AppFile] ->
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{true, AppFile};
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_ ->
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false
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end
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end.
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is_app_src(Filename) ->
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%% If removing the extension .app.src yields a shorter name,
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%% this is an .app.src file.
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Filename /= filename:rootname(Filename, ".app.src").
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app_src_to_app(Filename) ->
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filename:join("ebin", filename:basename(Filename, ".app.src") ++ ".app").
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app_name(AppFile) ->
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case load_app_file(AppFile) of
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{ok, AppName, _} ->
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AppName;
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{error, Reason} ->
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?ABORT("Failed to extract name from ~s: ~p\n",
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[AppFile, Reason])
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end.
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app_applications(AppFile) ->
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case load_app_file(AppFile) of
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{ok, _, AppInfo} ->
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proplists:get_value(applications, AppInfo);
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{error, Reason} ->
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?ABORT("Failed to extract applications from ~s: ~p\n",
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[AppFile, Reason])
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end.
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app_vsn(AppFile) ->
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case load_app_file(AppFile) of
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{ok, _, AppInfo} ->
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proplists:get_value(vsn, AppInfo);
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{error, Reason} ->
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?ABORT("Failed to extract vsn from ~s: ~p\n",
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[AppFile, Reason])
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end.
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%% ===================================================================
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%% Internal functions
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%% ===================================================================
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load_app_file(Filename) ->
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case erlang:get({app_file, Filename}) of
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undefined ->
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case file:consult(Filename) of
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{ok, [{application, AppName, AppData}]} ->
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erlang:put({app_file, Filename}, {AppName, AppData}),
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{ok, AppName, AppData};
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{error, Reason} ->
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{error, Reason};
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Other ->
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{error, {unexpected_terms, Other}}
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end;
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{AppName, AppData} ->
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{ok, AppName, AppData}
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end.
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