Switch to vgo

.travis.yml

@@ -12,33 +12,27 @@ addons:
     packages:
     - tree
 
-language: go
-
-go:
-  - 1.12.1
-
-go_import_path: sigs.k8s.io/kustomize
-
-# Maybe, maybe not.
-# sudo: false
-
 # Only clone the most recent commit.
 git:
   depth: 1
 
+language: go
+
+go:
+  - 1.12
+
+go_import_path: sigs.k8s.io/kustomize
+
 env:
-- GOLANGCI_RELEASE="v1.12.1"
+  - GOLANGCI_RELEASE="v1.12"
 
 before_install:
   - source ./bin/consider-early-travis-exit.sh
   - curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $GOPATH/bin ${GOLANGCI_RELEASE}
   - go get -u github.com/monopole/mdrip
 
-# Install must be set to prevent default `go get` to run.
-# The dependencies have already been vendored by `dep` so
-# we don't need to fetch them.
-install:
-  -
+# Skip the install process; let pre-commit.sh do it.
+install: true
 
 script:
   - ./bin/pre-commit.sh