Add test_go_fmt to makefile

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protonmail.ch>

Makefile

@@ -75,13 +75,16 @@ PHONY += go_check deps vendor install build nofuse clean uninstall
 
 test: test_expensive
 
-test_short: build test_go_short test_sharness_short
+test_short: test_go_fmt build test_go_short test_sharness_short
 
-test_expensive: build test_go_expensive test_sharness_expensive windows_build_check
+test_expensive: test_go_fmt build test_go_expensive test_sharness_expensive windows_build_check
 
 test_3node:
 	$(MAKE) -C test/3nodetest
 
+test_go_fmt:
+	bin/test-go-fmt
+
 test_go_short:
 	$(go_test) -test.short ./...
 

bin/test-go-fmt

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+set -euo pipefail
+T="$(mktemp)"
+find . -name '*.go' | xargs gofmt -l > "$T"
+
+if [ -n "$(cat $T)" ]; then
+	echo "Following Go code is not formatted."
+	echo "-----------------------------------"
+	cat "$T"
+	echo "-----------------------------------"
+	echo "Run 'go fmt ./...' in your source directory"
+	rm -f "$T"
+	exit 1
+fi
+rm -f "$T"