Un-break the interface (add back a removed function)

apps/rebar/src/rebar_utils.erl

@@ -69,6 +69,7 @@
          escape_chars/1,
          escape_double_quotes/1,
          escape_double_quotes_weak/1,
+         check_min_otp_version/1,
          check_min_otp_version/2,
          check_blacklisted_otp_versions/1,
          info_useless/2,
@@ -411,6 +412,11 @@ line_count(PatchLines) ->
     Tokenized = rebar_string:lexemes(PatchLines, "\n"),
     {ok, length(Tokenized)}.
 
+check_min_otp_version(undefined) ->
+    check_min_otp_version(undefined, undefined);
+check_min_otp_version(MinOtpVersion) ->
+    check_min_otp_version(MinOtpVersion, undefined).
+
 check_min_otp_version(undefined, _App) ->
     ok;
 check_min_otp_version(MinOtpVersion, App) ->
@@ -423,6 +429,9 @@ check_min_otp_version(MinOtpVersion, App) ->
         true ->
             ?DEBUG("~ts satisfies the requirement for minimum OTP version ~ts",
                    [OtpRelease, MinOtpVersion]);
+        false when App =:= undefined ->
+            ?ABORT("OTP release ~ts or later is required. Version in use: ~ts",
+                   [MinOtpVersion, OtpRelease]);
         false ->
             ?ABORT("OTP release ~ts or later is required by ~ts. Version in use: ~ts",
                    [MinOtpVersion, App, OtpRelease])