Enable consistent GOPROXY Go 1.12/1.13 behavior.

tpounds · tpounds · commit 21fda1d67cc0 · 2019-09-23T15:30:15.000-04:00
diff --git a/Makefile b/Makefile
@@ -5,6 +5,8 @@
 export GO111MODULE = on
 # opt-in to vendor deps across all go commands.
 export GOFLAGS = -mod=vendor
+# enable consistent Go 1.12/1.13 GOPROXY behavior.
+export GOPROXY = https://proxy.golang.org
 
 # Build
 
