all: check formatting on CI

.circleci/config.yml

@@ -95,6 +95,7 @@ commands:
           paths:
             - ~/.cache/go-build
             - ~/.cache/tinygo
+      - run: make fmt-check
   build-linux:
     steps:
       - checkout

Makefile

@@ -92,9 +92,11 @@ endif
 clean:
 	@rm -rf build
 
+FMT_PATHS = ./*.go compiler interp ir loader src/device/arm src/examples src/machine src/os src/reflect src/runtime src/sync src/syscall
 fmt:
-	@go fmt . ./compiler ./interp ./loader ./ir ./src/device/arm ./src/examples/* ./src/machine ./src/os ./src/runtime ./src/sync ./src/syscall
-	@go fmt ./testdata/*.go
+	@gofmt -l -w $(FMT_PATHS)
+fmt-check:
+	@unformatted=$$(gofmt -l $(FMT_PATHS)); [ -z "$$unformatted" ] && exit 0; echo "Unformatted:"; for fn in $$unformatted; do echo "  $$fn"; done; exit 1
 
 test:
 	@go test -v .

src/runtime/internal/sys/zversion.go

@@ -1 +1,3 @@
-TheVersion = `go0.1.0`
+package sys
+
+const TheVersion = `go0.1.0`