shellcheck needs to be installed
@@ -35,6 +35,7 @@ instructions](https://packagecloud.io/travisci/worker/install).
1. install [gometalinter](https://github.com/alecthomas/gometalinter):
* `go get -u github.com/alecthomas/gometalinter`
* `gometalinter --install`
+1. install [shellcheck](https://github.com/koalaman/shellcheck)
1. `make`
## Configuring Travis Worker
