Move fail and printToStderr functions

main.go

@@ -1,8 +1,12 @@
 package main
 
 import (
+	"fmt"
 	"os"
+	"strings"
 	"sync"
+
+	"github.com/fatih/color"
 )
 
 func main() {
@@ -49,3 +53,13 @@ func main() {
 		os.Exit(1)
 	}
 }
+
+func printToStderr(xs ...interface{}) {
+	fmt.Fprintln(os.Stderr, xs...)
+}
+
+func fail(err error) {
+	s := err.Error()
+	printToStderr(color.RedString(strings.ToUpper(s[:1]) + s[1:]))
+	os.Exit(1)
+}

utils.go

@@ -1,13 +1,6 @@
 package main
 
-import (
-	"fmt"
-	"os"
-	"strings"
-
-	"github.com/fatih/color"
-	"github.com/kr/text"
-)
+import "github.com/kr/text"
 
 func stringSetToSlice(s2b map[string]bool) []string {
 	ss := make([]string, 0, len(s2b))
@@ -19,16 +12,6 @@ func stringSetToSlice(s2b map[string]bool) []string {
 	return ss
 }
 
-func printToStderr(xs ...interface{}) {
-	fmt.Fprintln(os.Stderr, xs...)
-}
-
-func fail(err error) {
-	s := err.Error()
-	printToStderr(color.RedString(strings.ToUpper(s[:1]) + s[1:]))
-	os.Exit(1)
-}
-
 func indent(s string) string {
 	return text.Indent(s, "\t")
 }