Switch to codecov

.travis.yml

@@ -1,8 +1,14 @@
 language: go
+sudo: false
 go:
+  - 1.8.x
   - tip
+
 before_install:
-  - go get github.com/mattn/goveralls
+  - go get -t -v ./...
-  - go get golang.org/x/tools/cmd/cover
+
 script:
-    - $HOME/gopath/bin/goveralls -repotoken u2dqXvOxbIBr8eGxCjcgTkkN2JOSGx1fy
+  - ./go.test.sh
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)

go.test.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+set -e
+echo "" > coverage.txt
+
+for d in $(go list ./... | grep -v vendor); do
+    go test -race -coverprofile=profile.out -covermode=atomic "$d"
+    if [ -f profile.out ]; then
+        cat profile.out >> coverage.txt
+        rm profile.out
+    fi
+done