refactor: move pathExists() to utils.go

Author: buchdag

internal/dockergen/docker_client.go

@@ -3,7 +3,6 @@ package dockergen
 import (
 	"errors"
 	"fmt"
-	"os"
 	"strconv"
 	"strings"
 
@@ -118,15 +117,3 @@ func splitDockerImage(img string) (string, string, string) {
 
 	return registry, repository, tag
 }
-
-// pathExists returns whether the given file or directory exists or not
-func pathExists(path string) (bool, error) {
-	_, err := os.Stat(path)
-	if err == nil {
-		return true, nil
-	}
-	if os.IsNotExist(err) {
-		return false, nil
-	}
-	return false, err
-}

internal/dockergen/utils.go

@@ -69,3 +69,15 @@ func removeBlankLines(reader io.Reader, writer io.Writer) {
 
 	bwriter.Flush()
 }
+
+// pathExists returns whether the given file or directory exists or not
+func pathExists(path string) (bool, error) {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true, nil
+	}
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+	return false, err
+}