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authorDave Smith <dizzyd@dizzyd.com>2012-10-30 19:23:08 -0700
committerDave Smith <dizzyd@dizzyd.com>2012-10-30 19:23:08 -0700
commit08c510130e18faaa1b0e0cf5a9222cc24ee4908a (patch)
tree7ea71e717e801149c037157e1cc3d3f2d122e512 /src
parent27a1bbb9dae7aad81e0ccf2912530dd98156b024 (diff)
parenta78e6cd740d996c8397d6f1cedd9e595dd3e4b6e (diff)
Merge pull request #243 from evanmcc/pevm_min_otp_version
Add support for minimum OTP versions
Diffstat (limited to 'src')
-rw-r--r--src/rebar_require_vsn.erl29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/rebar_require_vsn.erl b/src/rebar_require_vsn.erl
index 327f75c..83cb79d 100644
--- a/src/rebar_require_vsn.erl
+++ b/src/rebar_require_vsn.erl
@@ -67,4 +67,33 @@ check_versions(Config) ->
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.