From f65b1a4d6e515e9237cfe5dfa71b8f46dc4081c6 Mon Sep 17 00:00:00 2001
From: Olaoluwa Osuntokun <laolu32@gmail.com>
Date: Wed, 28 Nov 2018 17:18:21 -0800
Subject: [PATCH] travis: force go modules support in $GOPATH, cache modules
 directory

---
 .travis.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 568af1400..6b4b61c6c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ cache:
   directories:
     - vendor/
     - $GOCACHE
+    - $GOPATH/pkg/mod
     - $GOPATH/src/github.com/btcsuite
     - $GOPATH/src/github.com/golang
     - $GOPATH/src/gopkg.in/alecthomas
@@ -26,6 +27,8 @@ install:
   - export PATH=$PATH:$PWD/linux-amd64/
 
 script:
+  - env GO111MODULE=on
+
   # Common for all builds.
   - make btcd