From 90fbd6dbb9a1a8d1185fc521ffd2d391e8befcdf Mon Sep 17 00:00:00 2001
From: Tristan Sloughter <t@crashfast.com>
Date: Sat, 25 Jul 2015 11:43:54 -0500
Subject: add support for old format otp versions

---
 src/rebar_app_discover.erl     |  4 ++++
 src/rebar_prv_install_deps.erl |  3 +++
 src/rebar_utils.erl            | 31 ++++++++++++++++---------------
 test/rebar_utils_SUITE.erl     | 12 +++++++++++-
 4 files changed, 34 insertions(+), 16 deletions(-)

diff --git a/src/rebar_app_discover.erl b/src/rebar_app_discover.erl
index f55a4d5..95b3273 100644
--- a/src/rebar_app_discover.erl
+++ b/src/rebar_app_discover.erl
@@ -51,6 +51,10 @@ merge_deps(AppInfo, State) ->
                  rebar_state:apply_profiles(
                    rebar_state:new(reset_hooks(rebar_state:opts(State, Default)), C,
                                   rebar_app_info:dir(AppInfo)), CurrentProfiles), Name),
+
+    rebar_utils:check_min_otp_version(rebar_state:get(AppState, minimum_otp_vsn, undefined)),
+    rebar_utils:check_blacklisted_otp_versions(rebar_state:get(AppState, blacklisted_otp_vsns, [])),
+
     AppState1 = rebar_state:set(AppState, artifacts, []),
     AppInfo1 = rebar_app_info:state(AppInfo, AppState1),
 
diff --git a/src/rebar_prv_install_deps.erl b/src/rebar_prv_install_deps.erl
index 8bb394a..69956f0 100644
--- a/src/rebar_prv_install_deps.erl
+++ b/src/rebar_prv_install_deps.erl
@@ -386,6 +386,9 @@ handle_dep(State, Profile, DepsDir, AppInfo, Locks, Level) ->
     S4 = rebar_state:set(S3, {plugins, Profile}, Plugins),
     AppInfo1 = rebar_app_info:state(AppInfo, S4),
 
+    rebar_utils:check_min_otp_version(rebar_state:get(S4, minimum_otp_vsn, undefined)),
+    rebar_utils:check_blacklisted_otp_versions(rebar_state:get(S4, blacklisted_otp_vsns, [])),
+
     %% Dep may have plugins to install. Find and install here.
     S5 = rebar_plugins:install(S4),
     AppInfo2 = rebar_app_info:state(AppInfo1, S5),
diff --git a/src/rebar_utils.erl b/src/rebar_utils.erl
index c71808d..5763718 100644
--- a/src/rebar_utils.erl
+++ b/src/rebar_utils.erl
@@ -306,16 +306,16 @@ check_min_otp_version(undefined) ->
 check_min_otp_version(MinOtpVersion) ->
     %% Fully-qualify with ?MODULE so the function can be meck'd in rebar_utils_SUITE
     OtpRelease = ?MODULE:otp_release(),
-    {MinMajor, MinMinor} = version_tuple(MinOtpVersion),
-    {OtpMajor, OtpMinor} = version_tuple(OtpRelease),
+    ParsedMin = version_tuple(MinOtpVersion),
+    ParsedVsn = version_tuple(OtpRelease),
 
-    case {OtpMajor, OtpMinor} >= {MinMajor, MinMinor} of
+    case ParsedVsn >= ParsedMin of
         true ->
             ?DEBUG("~s satisfies the requirement for minimum OTP version ~s",
-                [OtpRelease, MinOtpVersion]);
+                   [OtpRelease, MinOtpVersion]);
         false ->
-            ?ABORT("OTP release ~s or later is required. Verion in use: ~s",
-                [MinOtpVersion, OtpRelease])
+            ?ABORT("OTP release ~s or later is required. Version in use: ~s",
+                   [MinOtpVersion, OtpRelease])
     end.
 
 check_blacklisted_otp_versions(undefined) ->
@@ -331,10 +331,10 @@ abort_if_blacklisted(BlacklistedRegex, OtpRelease) ->
     case re:run(OtpRelease, BlacklistedRegex, [{capture, none}]) of
         match ->
             ?ABORT("OTP release ~s matches blacklisted version ~s",
-                [OtpRelease, BlacklistedRegex]);
-            nomatch ->
-                ?DEBUG("~s does not match blacklisted OTP version ~s",
-                [OtpRelease, BlacklistedRegex])
+                   [OtpRelease, BlacklistedRegex]);
+        nomatch ->
+            ?DEBUG("~s does not match blacklisted OTP version ~s",
+                   [OtpRelease, BlacklistedRegex])
     end.
 
 
@@ -342,14 +342,15 @@ abort_if_blacklisted(BlacklistedRegex, OtpRelease) ->
 %% Internal functions
 %% ====================================================================
 version_tuple(OtpRelease) ->
-    case re:run(OtpRelease, "R?(\\d+)B?-?(\\d+)?", [{capture, all, list}]) of
+    case re:run(OtpRelease, "R?(\\d+)B?.?-?(\\d+)?.?-?(\\d+)?", [{capture, all, list}]) of
+        {match, [_Full, Maj, Min, Patch]} ->
+            {list_to_integer(Maj), list_to_integer(Min), list_to_integer(Patch)};
         {match, [_Full, Maj, Min]} ->
-            {list_to_integer(Maj), list_to_integer(Min)};
+            {list_to_integer(Maj), list_to_integer(Min), 0};
         {match, [_Full, Maj]} ->
-            {list_to_integer(Maj), 0};
+            {list_to_integer(Maj), 0, 0};
         nomatch ->
-            ?WARN("", []),
-            {0,0}
+            ?ABORT("Minimum OTP release unable to be parsed: ~s", [OtpRelease])
     end.
 
 otp_release() ->
diff --git a/test/rebar_utils_SUITE.erl b/test/rebar_utils_SUITE.erl
index 144b840..24e8afe 100644
--- a/test/rebar_utils_SUITE.erl
+++ b/test/rebar_utils_SUITE.erl
@@ -150,7 +150,17 @@ valid_otp_version(_Config) ->
 valid_old_format_otp_version(_Config) ->
     meck:new(rebar_utils, [passthrough]),
     meck:expect(rebar_utils, otp_release, fun() -> "R15B03-1" end),
-    rebar_utils:check_min_otp_version("R15"),
+    rebar_utils:check_min_otp_version("14"),
+
+    meck:expect(rebar_utils, otp_release, fun() -> "R16B03" end),
+    rebar_utils:check_min_otp_version("16.0"),
+
+    meck:expect(rebar_utils, otp_release, fun() -> "18.0.1" end),
+    rebar_utils:check_min_otp_version("17.5.4"),
+
+    meck:expect(rebar_utils, otp_release, fun() -> "18.0-rc1" end),
+    ?assertException(throw, rebar_abort, rebar_utils:check_min_otp_version("19")),
+
     meck:unload(rebar_utils).
 
 valid_otp_version_equal(_Config) ->
-- 
cgit v1.1