chore: use -race for testing

Makefile

@@ -1,7 +1,8 @@
 .PHONY: test
 test:
-	go test -v ./...
-	cd examples; go test -v ./...
+	set -e; for dir in `find . -type f -name "go.mod"  | sed -r 's@/[^/]+$$@@' | sort | uniq`; do \
+	  (set -xe; cd $$dir; go test -v -cover -race ./...); \
+	done
 
 .PHONY: tidy-all
 tidy-all:

cmd/pertify/go.mod

@@ -2,7 +2,7 @@ module moul.io/cmd/pertify
 
 go 1.12
 
-require moul.io/graphman v0.0.0
+require moul.io/graphman v1.0.0
 
 require (
 	github.com/pkg/errors v0.8.1

cmd/pertify/main.go

@@ -27,7 +27,7 @@ func main() {
 		Action: graph,
 	}
 	if err := app.Run(os.Args); err != nil {
-		log.Fatal("error: %v", err)
+		log.Fatalf("error: %v", err)
 	}
 }
 

examples/go.mod

@@ -2,7 +2,7 @@ module moul.io/graphman/examples
 
 go 1.12
 
-require moul.io/graphman v0.0.0
+require moul.io/graphman v1.0.0
 
 require moul.io/graphman/viz v0.0.0
 

viz/go.mod

@@ -2,4 +2,7 @@ module moul.io/graphman/viz
 
 go 1.12
 
-require github.com/awalterschulze/gographviz v0.0.0-20190522210029-fa59802746ab
+require (
+	github.com/awalterschulze/gographviz v0.0.0-20190522210029-fa59802746ab
+	moul.io/graphman v1.0.0
+)

viz/go.sum

@@ -1,2 +1,6 @@
 github.com/awalterschulze/gographviz v0.0.0-20190522210029-fa59802746ab h1:+cdNqtOJWjvepyhxy23G7z7vmpYCoC65AP0nqi1f53s=
 github.com/awalterschulze/gographviz v0.0.0-20190522210029-fa59802746ab/go.mod h1:GEV5wmg4YquNw7v1kkyoX9etIk8yVmXj+AkDHuuETHs=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+moul.io/graphman v1.0.0 h1:vXCIHlGMdzuZKb1gBByRj38y7e7PO2rfc/DDK4zYnzA=
+moul.io/graphman v1.0.0/go.mod h1:7OpdQsfE4ibHqHP+Ir1VAUd4p5j25n4xU9bhJvQ+F0g=