mirror of
https://github.com/correl/rebar.git
synced 2024-12-18 11:06:20 +00:00
84 lines
3.3 KiB
Erlang
84 lines
3.3 KiB
Erlang
%% -*- 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_subdirs).
|
|
|
|
-include("rebar.hrl").
|
|
-include_lib("kernel/include/file.hrl").
|
|
|
|
-export([preprocess/2]).
|
|
|
|
%% ===================================================================
|
|
%% Public API
|
|
%% ===================================================================
|
|
|
|
preprocess(Config, _) ->
|
|
%% Get the list of subdirs specified in the config (if any).
|
|
Cwd = rebar_utils:get_cwd(),
|
|
ListSubdirs = rebar_config:get_local(Config, sub_dirs, []),
|
|
Subdirs0 = lists:flatmap(fun filelib:wildcard/1, ListSubdirs),
|
|
case {rebar_config:is_skip_dir(Config, Cwd), Subdirs0} of
|
|
{true, []} ->
|
|
{ok, []};
|
|
{true, _} ->
|
|
?WARN("Ignoring sub_dirs for ~s~n", [Cwd]),
|
|
{ok, []};
|
|
{false, _} ->
|
|
Check = check_loop(Cwd),
|
|
ok = lists:foreach(Check, Subdirs0),
|
|
Subdirs = [filename:join(Cwd, Dir) || Dir <- Subdirs0],
|
|
{ok, Subdirs}
|
|
end.
|
|
|
|
%% ===================================================================
|
|
%% Internal functions
|
|
%% ===================================================================
|
|
|
|
check_loop(Cwd) ->
|
|
RebarConfig = filename:join(Cwd, "rebar.config"),
|
|
fun(Dir0) ->
|
|
IsSymlink = case file:read_link_info(Dir0) of
|
|
{ok, #file_info{type=symlink}} ->
|
|
{true, resolve_symlink(Dir0)};
|
|
_ ->
|
|
{false, Dir0}
|
|
end,
|
|
case IsSymlink of
|
|
{false, Dir="."} ->
|
|
?ERROR("infinite loop detected:~nsub_dirs"
|
|
" entry ~p in ~s~n", [Dir, RebarConfig]);
|
|
{true, Cwd} ->
|
|
?ERROR("infinite loop detected:~nsub_dirs"
|
|
" entry ~p in ~s is a symlink to \".\"~n",
|
|
[Dir0, RebarConfig]);
|
|
_ ->
|
|
ok
|
|
end
|
|
end.
|
|
|
|
resolve_symlink(Dir0) ->
|
|
{ok, Dir} = file:read_link(Dir0),
|
|
Dir.
|