From 16355694129e8bfbc9eee25c0a0e2d90d98c1d4e Mon Sep 17 00:00:00 2001
From: John Sirois <john.sirois@gmail.com>
Date: Tue, 26 Mar 2019 13:48:00 -0700
Subject: [PATCH] Ensure the pants pexes we build via pex directly have pex
 warnings turned off.

---
 build-support/bin/release.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/build-support/bin/release.sh b/build-support/bin/release.sh
index 8c7a47456678..99d0016e94f3 100755
--- a/build-support/bin/release.sh
+++ b/build-support/bin/release.sh
@@ -658,8 +658,12 @@ function build_pex() {
     platform_flags=("${platform_flags[@]}" "--platform=${platform}")
   done
 
+  # Pants depends on twitter.common libraries that trigger pex warnings for not properly declaring
+  # their dependency on setuptools (for namespace package support). To prevent these known warnings
+  # from polluting stderr we pass `--no-emit-warnings`.
   execute_pex \
     -o "${dest}" \
+    --no-emit-warnings \
     --script=pants \
     "${platform_flags[@]}" \
     "${requirements[@]}"