Fresh dep ensure

vendor/google.golang.org/grpc/.travis.yml

@@ -1,24 +1,39 @@
 language: go
 
-go:
-  - 1.6.x
-  - 1.7.x
-  - 1.8.x
-  - 1.9.x
-  - 1.10.x
-
 matrix:
   include:
-  - go: 1.10.x
+  - go: 1.11.x
+    env: VET=1 GO111MODULE=on
+  - go: 1.11.x
+    env: RACE=1 GO111MODULE=on
+  - go: 1.11.x
     env: RUN386=1
+  - go: 1.11.x
+    env: GRPC_GO_RETRY=on
+  - go: 1.10.x
+  - go: 1.9.x
+  - go: 1.9.x
+    env: GAE=1
+  - go: 1.8.x
+  - go: 1.6.x
 
 go_import_path: google.golang.org/grpc
 
 before_install:
-  - if [[ -n "$RUN386" ]]; then export GOARCH=386; fi
-  - if [[ "$TRAVIS_GO_VERSION" = 1.10* && "$GOARCH" != "386" ]]; then ./vet.sh -install || exit 1; fi
+  - if [[ "${GO111MODULE}" = "on" ]]; then mkdir "${HOME}/go"; export GOPATH="${HOME}/go"; fi
+  - if [[ -n "${RUN386}" ]]; then export GOARCH=386; fi
+  - if [[ "${TRAVIS_EVENT_TYPE}" = "cron" && -z "${RUN386}" ]]; then RACE=1; fi
+  - if [[ "${TRAVIS_EVENT_TYPE}" != "cron" ]]; then VET_SKIP_PROTO=1; fi
+
+install:
+  - try3() { eval "$*" || eval "$*" || eval "$*"; }
+  - try3 'if [[ "${GO111MODULE}" = "on" ]]; then go mod download; else make testdeps; fi'
+  - if [[ "${GAE}" = 1 ]]; then source ./install_gae.sh; make testappenginedeps; fi
+  - if [[ "${VET}" = 1 ]]; then ./vet.sh -install; fi
 
 script:
-  - if [[ "$TRAVIS_GO_VERSION" = 1.10* && "$GOARCH" != "386" ]]; then ./vet.sh || exit 1; fi
-  - make test || exit 1
-  - if [[ "$GOARCH" != "386" ]]; then make testrace; fi
+  - set -e
+  - if [[ "${VET}" = 1 ]]; then ./vet.sh; fi
+  - if [[ "${GAE}" = 1 ]]; then make testappengine; exit 0; fi
+  - if [[ "${RACE}" = 1 ]]; then make testrace; exit 0; fi
+  - make test