Remove vendored tools for CI.

.travis.yml

@@ -34,6 +34,16 @@ services:
   - docker
 
 install:
+  # Install specific versions of protoc-gen-grpc-gateway, etcd, and etcdctl
+  # known to work with Trillian. We use git first because it makes it easy to
+  # check out a specific tag, and then use `go get` to install the binary
+  # because it handles transitively fetching dependencies.
+  - git clone -b v1.3 https://github.com/grpc-ecosystem/grpc-gateway "${GOPATH}/src/github.com/grpc-ecosystem/grpc-gateway"
+  - go get github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway
+  - git clone -b v3.3.7 https://github.com/coreos/etcd.git "${GOPATH}/src/github.com/coreos/etcd"
+  - go get github.com/coreos/etcd/cmd/etcd
+  - go get github.com/coreos/etcd/cmd/etcdctl
+
   - mkdir ../protoc
   - |
     (
@@ -53,12 +63,6 @@ install:
   - go install github.com/golang/{mock/mockgen,protobuf/protoc-gen-go}
   - go get github.com/alecthomas/gometalinter
   - gometalinter --install
-  # install vendored protoc-gen-grpc-gateway binary
-  - go install ./vendor/github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway
-  # install vendored etcd binary
-  - go install ./vendor/github.com/coreos/etcd/cmd/etcd
-  - go install ./vendor/github.com/coreos/etcd/cmd/etcdctl
-
 
 before_script:
   - |

scripts/presubmit.sh

@@ -145,7 +145,7 @@ main() {
       'have you installed github.com/alecthomas/gometalinter?' || exit 1
 
     echo 'running gometalinter'
-    gometalinter --config=gometalinter.json --deadline=60s ./...
+    gometalinter --config=gometalinter.json --deadline=240s ./...
   fi
 
   if [[ "${run_generate}" -eq 1 ]]; then