Imported Upstream version 1.0.1

utils/utils.go

@@ -0,0 +1,24 @@
+// Package utils collects various services: simple operations, compression, etc.
+package utils
+
+import (
+	"fmt"
+	"os"
+
+	"golang.org/x/sys/unix"
+)
+
+// DirIsAccessible verifies that directory exists and is accessible
+func DirIsAccessible(filename string) error {
+	_, err := os.Stat(filename)
+	if err != nil {
+		if !os.IsNotExist(err) {
+			return fmt.Errorf("Something went wrong, %v", err)
+		}
+	} else {
+		if unix.Access(filename, unix.W_OK) != nil {
+			return fmt.Errorf("'%s' is inaccessible, check access rights", filename)
+		}
+	}
+	return nil
+}