From e4cdb0eab3ffa88d06b05c8f5b5ee4f8437ab8b4 Mon Sep 17 00:00:00 2001
From: Alexander Neumann <alexander@bumpern.de>
Date: Thu, 30 Aug 2018 23:10:54 +0200
Subject: [PATCH] Travis: Run with -mod=vendor only for Go >= 1.11

---
 run_integration_tests.go | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/run_integration_tests.go b/run_integration_tests.go
index 43ae9d689..364f501cb 100644
--- a/run_integration_tests.go
+++ b/run_integration_tests.go
@@ -330,8 +330,15 @@ func (env *TravisEnvironment) RunTests() error {
 		}
 	}
 
+	args := []string{"go", "run", "build.go"}
+	v := ParseGoVersion(runtime.Version())
+	msg("Detected Go version %v\n", v)
+	if v.AtLeast(GoVersion{1, 11, 0}) {
+		args = []string{"go", "run", "-mod=vendor", "build.go"}
+	}
+
 	// run the build script
-	if err := run("go", "run", "-mod=vendor", "build.go"); err != nil {
+	if err := run(args[0], args[1:]...); err != nil {
 		return err
 	}
 
@@ -342,8 +349,6 @@ func (env *TravisEnvironment) RunTests() error {
 	}
 
 	// only run gofmt on a specific version of Go.
-	v := ParseGoVersion(runtime.Version())
-	msg("Detected Go version %v\n", v)
 	if v.AtLeast(GofmtVersion) {
 		if err = runGofmt(); err != nil {
 			return err