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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_require_vsn).
-include("rebar.hrl").
-export([compile/2,
eunit/2]).
%% for internal use only
-export([info/2]).
%% ===================================================================
%% Public API
%% ===================================================================
compile(Config, _) ->
check_versions(Config).
eunit(Config, _) ->
check_versions(Config).
%% ====================================================================
%% Internal functions
%% ====================================================================
info(help, compile) ->
info_help();
info(help, eunit) ->
info_help().
info_help() ->
?CONSOLE(
"Check required ERTS or OTP release version.~n"
"~n"
"Valid rebar.config options:~n"
" ~p~n"
" ~p~n"
" ~p~n",
[
{require_erts_vsn, ".*"},
{require_otp_vsn, ".*"},
{require_min_otp_vsn, ".*"}
]).
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,
case rebar_config:get(Config, require_min_otp_vsn, undefined) of
undefined -> ?DEBUG("Min OTP version unconfigured~n", []);
MinOtpVsn ->
{MinMaj, MinMin} = version_tuple(MinOtpVsn, "configured"),
{OtpMaj, OtpMin} = version_tuple(erlang:system_info(otp_release),
"OTP Release"),
case {OtpMaj, OtpMin} >= {MinMaj, MinMin} of
true ->
?DEBUG("~s satisfies the requirement for vsn ~s~n",
[erlang:system_info(otp_release),
MinOtpVsn]);
false ->
?ABORT("OTP release ~s or later is required, you have: ~s~n",
[MinOtpVsn,
erlang:system_info(otp_release)])
end
end.
version_tuple(OtpRelease, Type) ->
case re:run(OtpRelease, "R(\\d+)B?-?(\\d+)?", [{capture, all, list}]) of
{match, [_Full, Maj, Min]} ->
{list_to_integer(Maj), list_to_integer(Min)};
{match, [_Full, Maj]} ->
{list_to_integer(Maj), 0};
nomatch ->
?ABORT("Cannot parse ~s version string: ~s~n",
[Type, OtpRelease])
end.
|
