rabbit: Use `rabbit_prelaunch` to get context

Before this patch, we were using `rabbit_env` directly which computed
the environment again. In the end, we would compute the environment four
times instead of just once.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/rabbit.erl b/src/rabbit.erl
index fa55ac05d1..c0fde5beb6 100644
--- a/src/rabbit.erl
+++ b/src/rabbit.erl
@@ -1335,7 +1335,7 @@ product_info() ->
                       otp_release => rabbit_misc:otp_release()},
 
             {NameFromEnv, VersionFromEnv} =
-            case rabbit_env:get_context() of
+            case rabbit_prelaunch:get_context() of
                 #{product_name := NFE,
                   product_version := VFE} -> {NFE, VFE};
                 _                         -> {undefined, undefined}
@@ -1410,7 +1410,7 @@ motd_file() ->
     %%   1. The environment variable;
     %%   2. The `motd_file` configuration parameter;
     %%   3. The default value.
-    Context = rabbit_env:get_context(),
+    Context = rabbit_prelaunch:get_context(),
     case Context of
         #{motd_file := File,
           var_origins := #{motd_file := environment}}