travis: ensure files are gofmt'd

Author: mdlayher

.travis.yml

@@ -15,6 +15,7 @@ script:
   - go build -tags=gofuzz ./...
   - go vet ./...
   - staticcheck ./...
+  - ./scripts/gofmt.sh
   - ./scripts/golint.sh
   - go test -race ./...
   - go test -c -race ./ovsdb

scripts/gofmt.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+# Verify that all files are correctly gofmt'd, with the exception of
+# generated code.
+EXIT=0
+GOFMT=$(go fmt ./... | grep -v "ovsnl/internal/ovsh")
+
+if [[ ! -z $GOFMT ]]; then
+	echo -e "Files that are not gofmt'd:\n"
+	echo "$GOFMT"
+	EXIT=1
+fi
+
+exit $EXIT