  -*- erlang - indent - level : 4;indent - tabs - mode : nil -*-
%% ex: ts=4 sw=4 et
%% -------------------------------------------------------------------
%%
  rebar : Erlang Build Tools
%%
  Copyright ( c ) 2009   (  )
%%
%% 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_require_vsn).

-include("rebar.hrl").

-export([compile/2,
         eunit/2]).

%% ===================================================================
%% Public API
%% ===================================================================

compile(Config, _) ->
    check_versions(Config).

eunit(Config, _) ->
    check_versions(Config).

check_versions(Config) ->
    ErtsRegex = rebar_config:get(Config, require_erts_vsn, ".*"),
    ReOpts = [{capture, none}],
    case re:run(erlang:system_info(version), ErtsRegex, ReOpts) of
        match ->
            ?DEBUG("Matched required ERTS version: ~s -> ~s\n",
                   [erlang:system_info(version), ErtsRegex]);
        nomatch ->
            ?ABORT("ERTS version ~s does not match required regex ~s\n",
                   [erlang:system_info(version), ErtsRegex])
    end,

    OtpRegex = rebar_config:get(Config, require_otp_vsn, ".*"),
    case re:run(erlang:system_info(otp_release), OtpRegex, ReOpts) of
        match ->
            ?DEBUG("Matched required OTP release: ~s -> ~s\n",
                   [erlang:system_info(otp_release), OtpRegex]);
        nomatch ->
            ?ABORT("OTP release ~s does not match required regex ~s\n",
                   [erlang:system_info(otp_release), OtpRegex])
    end.

 ex: ts=4 sw=4 et
 -------------------------------------------------------------------



 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in

 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
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.

 -------------------------------------------------------------------
 ===================================================================
 Public API
 ===================================================================
  -*- erlang - indent - level : 4;indent - tabs - mode : nil -*-
  rebar : Erlang Build Tools
  Copyright ( c ) 2009   (  )
  in the Software without restriction , including without limitation the rights
  copies of the Software , and to permit persons to whom the Software is
  all copies or substantial portions of the Software .
  THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
  LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING FROM ,

-module(rebar_require_vsn).

-include("rebar.hrl").

-export([compile/2,
         eunit/2]).


compile(Config, _) ->
    check_versions(Config).

eunit(Config, _) ->
    check_versions(Config).

check_versions(Config) ->
    ErtsRegex = rebar_config:get(Config, require_erts_vsn, ".*"),
    ReOpts = [{capture, none}],
    case re:run(erlang:system_info(version), ErtsRegex, ReOpts) of
        match ->
            ?DEBUG("Matched required ERTS version: ~s -> ~s\n",
                   [erlang:system_info(version), ErtsRegex]);
        nomatch ->
            ?ABORT("ERTS version ~s does not match required regex ~s\n",
                   [erlang:system_info(version), ErtsRegex])
    end,

    OtpRegex = rebar_config:get(Config, require_otp_vsn, ".*"),
    case re:run(erlang:system_info(otp_release), OtpRegex, ReOpts) of
        match ->
            ?DEBUG("Matched required OTP release: ~s -> ~s\n",
                   [erlang:system_info(otp_release), OtpRegex]);
        nomatch ->
            ?ABORT("OTP release ~s does not match required regex ~s\n",
                   [erlang:system_info(otp_release), OtpRegex])
    end.
