Run coverage on all packages

.travis.yml

@@ -30,6 +30,7 @@ script:
   - gofmt -d $(find -type f -name '*.go' -not -path './vendor/*')
   - go list ./... |grep -v vendor/ |xargs go vet
   - go list ./... |grep -v vendor/ |xargs -L1 golint -set_exit_status
+  - ./cov.sh
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)

cov.sh

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