mirror of
https://github.com/correl/rebar.git
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109 lines
3.4 KiB
Erlang
109 lines
3.4 KiB
Erlang
%% -------------------------------------------------------------------
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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_utils).
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-export([get_cwd/0,
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is_arch/1,
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get_os/0,
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sh/2, sh/3,
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sh_failfast/2,
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now_str/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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get_cwd() ->
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{ok, Dir} = file:get_cwd(),
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Dir.
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is_arch(ArchRegex) ->
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Arch = erlang:system_info(system_architecture),
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case re:run(Arch, ArchRegex, [{capture, none}]) of
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match ->
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true;
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nomatch ->
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false
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end.
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get_os() ->
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Arch = erlang:system_info(system_architecture),
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case match_first([{"linux", linux}, {"darwin", darwin}], Arch) of
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nomatch ->
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{unknown, Arch};
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ArchAtom ->
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ArchAtom
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end.
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sh(Command, Env) ->
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sh(Command, Env, get_cwd()).
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sh(Command, Env, Dir) ->
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?INFO("sh: ~s\n~p\n", [Command, Env]),
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Port = open_port({spawn, Command}, [{cd, Dir}, {env, Env}, exit_status, {line, 16384},
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use_stdio, stderr_to_stdout]),
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case sh_loop(Port) of
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ok ->
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ok;
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{error, Rc} ->
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?ABORT("~s failed with error: ~w\n", [Command, Rc])
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end.
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sh_failfast(Command, Env) ->
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sh(Command, Env).
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now_str() ->
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{{Year, Month, Day}, {Hour, Minute, Second}} = calendar:local_time(),
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lists:flatten(io_lib:format("~4b/~2..0b/~2..0b ~2..0b:~2..0b:~2..0b",
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[Year, Month, Day, Hour, Minute, Second])).
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%% ====================================================================
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%% Internal functions
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%% ====================================================================
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match_first([], _Val) ->
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nomatch;
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match_first([{Regex, MatchValue} | Rest], Val) ->
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case re:run(Val, Regex, [{capture, none}]) of
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match ->
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MatchValue;
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nomatch ->
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match_first(Rest, Val)
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end.
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sh_loop(Port) ->
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receive
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{Port, {data, {_, Line}}} ->
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?CONSOLE("~s\n", [Line]),
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sh_loop(Port);
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{Port, {exit_status, 0}} ->
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ok;
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{Port, {exit_status, Rc}} ->
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{error, Rc}
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end.
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