add codecov service.

Signed-off-by: Bo-Yi Wu <[email protected]>

Author: appleboy

.travis.yml

@@ -19,5 +19,8 @@ install:
   - go get github.com/mattn/goveralls
 
 script:
-  - go test -v -covermode=count -coverprofile=coverage.out
-  - $(go env GOPATH | awk 'BEGIN{FS=":"} {print $1}')/bin/goveralls -coverprofile=coverage.out -service=travis-ci -repotoken=$COVERALLS_TOKEN
+  - go test -v -covermode=count -coverprofile=coverage.txt
+  - $(go env GOPATH | awk 'BEGIN{FS=":"} {print $1}')/bin/goveralls -coverprofile=coverage.txt -service=travis-ci -repotoken=$COVERALLS_TOKEN
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)