ci: add codecov

.ci-test

@@ -0,0 +1,11 @@
+#!/bin/sh
+# TODO: write this in ng
+set -e
+touch coverage.txt
+for d in $(go list ./... | grep -v vendor); do
+    go test -v -coverprofile=profile.out -covermode=atomic $d
+    if [ -f profile.out ]; then
+        cat profile.out >> coverage.txt
+        rm profile.out
+    fi
+done

.travis.yml

@@ -5,3 +5,9 @@ go:
   - master
 os:
   - linux
+
+script:
+  - ./.ci-test
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)