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%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
%% -------------------------------------------------------------------
%%
%% 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_utils).
-export([is_app_dir/0, is_app_dir/1,
is_app_src/1,
app_src_to_app/1,
app_name/1,
app_applications/1,
app_vsn/1,
is_skipped_app/1]).
-export([load_app_file/1]). % TEMPORARY
-include("rebar.hrl").
%% ===================================================================
%% Public API
%% ===================================================================
is_app_dir() ->
is_app_dir(rebar_utils:get_cwd()).
is_app_dir(Dir) ->
SrcDir = filename:join([Dir, "src"]),
AppSrc = filename:join([SrcDir, "*.app.src"]),
case filelib:wildcard(AppSrc) of
[AppSrcFile] ->
{true, AppSrcFile};
[] ->
EbinDir = filename:join([Dir, "ebin"]),
App = filename:join([EbinDir, "*.app"]),
case filelib:wildcard(App) of
[AppFile] ->
{true, AppFile};
[] ->
false;
_ ->
?ERROR("More than one .app file in ~s~n", [EbinDir]),
false
end;
_ ->
?ERROR("More than one .app.src file in ~s~n", [SrcDir]),
false
end.
is_app_src(Filename) ->
%% If removing the extension .app.src yields a shorter name,
%% this is an .app.src file.
Filename =/= filename:rootname(Filename, ".app.src").
app_src_to_app(Filename) ->
filename:join("ebin", filename:basename(Filename, ".app.src") ++ ".app").
app_name(AppFile) ->
case load_app_file(AppFile) of
{ok, AppName, _} ->
AppName;
{error, Reason} ->
?ABORT("Failed to extract name from ~s: ~p\n",
[AppFile, Reason])
end.
app_applications(AppFile) ->
case load_app_file(AppFile) of
{ok, _, AppInfo} ->
get_value(applications, AppInfo, AppFile);
{error, Reason} ->
?ABORT("Failed to extract applications from ~s: ~p\n",
[AppFile, Reason])
end.
app_vsn(AppFile) ->
case load_app_file(AppFile) of
{ok, _, AppInfo} ->
AppDir = filename:dirname(filename:dirname(AppFile)),
rebar_utils:vcs_vsn(get_value(vsn, AppInfo, AppFile), AppDir);
{error, Reason} ->
?ABORT("Failed to extract vsn from ~s: ~p\n",
[AppFile, Reason])
end.
is_skipped_app(AppFile) ->
ThisApp = app_name(AppFile),
%% Check for apps global parameter; this is a comma-delimited list
%% of apps on which we want to run commands
case get_apps() of
undefined ->
%% No apps parameter specified, check the skip_apps list..
case get_skip_apps() of
undefined ->
%% No skip_apps list, run everything..
false;
SkipApps ->
TargetApps = [list_to_atom(A) ||
A <- string:tokens(SkipApps, ",")],
is_skipped_app(ThisApp, TargetApps)
end;
Apps ->
%% run only selected apps
TargetApps = [list_to_atom(A) || A <- string:tokens(Apps, ",")],
is_selected_app(ThisApp, TargetApps)
end.
%% ===================================================================
%% Internal functions
%% ===================================================================
load_app_file(Filename) ->
AppFile = {app_file, Filename},
case erlang:get(AppFile) of
undefined ->
case file:consult(Filename) of
{ok, [{application, AppName, AppData}]} ->
erlang:put(AppFile, {AppName, AppData}),
{ok, AppName, AppData};
{error, _} = Error ->
Error;
Other ->
{error, {unexpected_terms, Other}}
end;
{AppName, AppData} ->
{ok, AppName, AppData}
end.
get_value(Key, AppInfo, AppFile) ->
case proplists:get_value(Key, AppInfo) of
undefined ->
?ABORT("Failed to get app value '~p' from '~s'~n", [Key, AppFile]);
Value ->
Value
end.
%% apps= for selecting apps
is_selected_app(ThisApp, TargetApps) ->
case lists:member(ThisApp, TargetApps) of
false ->
{true, ThisApp};
true ->
false
end.
%% skip_apps= for filtering apps
is_skipped_app(ThisApp, TargetApps) ->
case lists:member(ThisApp, TargetApps) of
false ->
false;
true ->
{true, ThisApp}
end.
get_apps() ->
get_global_cs_opt(app, apps).
get_skip_apps() ->
get_global_cs_opt(skip_app, skip_apps).
get_global_cs_opt(Old, New) ->
Apps = rebar_config:get_global(New, undefined),
case rebar_config:get_global(Old, undefined) of
undefined ->
case Apps of
undefined ->
undefined;
Apps ->
Apps
end;
App ->
rebar_utils:deprecated(Old, Old, New, "soon"),
case Apps of
undefined ->
App;
Apps ->
string:join([App, Apps], ",")
end
end.
|
