Add gocyclo-check

magefile.go

@@ -59,6 +59,7 @@ var (
 		"got-swag":          GotSwag,
 		"misspell-check":    MisspellCheck,
 		"ineffassign-check": IneffassignCheck,
+		"gocyclo-check":     GocycloCheck,
 	}
 )
 
@@ -325,8 +326,10 @@ func IneffassignCheck() {
 	runAndStreamOutput("ineffassign", GoFiles...)
 }
 
+// Checks for the cyclomatic complexity of the source code
 func GocycloCheck() {
-
+	checkAndInstallGoTool("gocyclo", "github.com/fzipp/gocyclo")
+	runAndStreamOutput("gocyclo", append([]string{"-over", "49"}, GoFiles...)...)
 }
 
 func StaticCheck() {