test vgo

.travis.yml

@@ -7,10 +7,14 @@ go:
   - 1.9.x
   - 1.10.x
   - 1.11.x
+    env: GO111MODULE=on
 
 git:
   depth: 10
 
+before_install:
+  - if [[ "$GO111MODULE" = "on" ]]; then mkdir "$HOME/go"; export GOPATH="$HOME/go"; fi
+
 install:
   - make install
 

Makefile

@@ -30,11 +30,16 @@ vet:
 	go vet $(VETPACKAGES)
 
 deps:
+	@hash go help mod > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		go mod download; \
+		go install github.com/campoy/embedmd; \
+	else \
 		@hash govendor > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
 			go get -u github.com/kardianos/govendor; \
 		fi
 		@hash embedmd > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
 			go get -u github.com/campoy/embedmd; \
+		fi \
 	fi
 
 embedmd: