File build-verbose.patch of Package tailscale

diff --git a/build_dist.sh b/build_dist.sh
index 0c757c26..9639d596 100755
--- a/build_dist.sh
+++ b/build_dist.sh
@@ -9,7 +9,7 @@
 # this script, or executing equivalent commands in your
 # distro-specific build system.
 
-set -eu
+set -eux
 
 go="go"
 if [ -n "${TS_USE_TOOLCHAIN:-}" ]; then