1 files changed, 33 insertions, 2 deletions
diff --git a/pkg/util/utils.go b/pkg/util/utils.go
index fba34a337..3f73639e7 100644
--- a/pkg/util/utils.go
+++ b/pkg/util/utils.go
@@ -239,8 +239,10 @@ func ParseIDMapping(mode namespaces.UsernsMode, UIDMapSlice, GIDMapSlice []strin
 }
 
 var (
-	rootlessRuntimeDirOnce sync.Once
-	rootlessRuntimeDir     string
+	rootlessConfigHomeDirOnce sync.Once
+	rootlessConfigHomeDir     string
+	rootlessRuntimeDirOnce    sync.Once
+	rootlessRuntimeDir        string
 )
 
 type tomlOptionsConfig struct {
@@ -354,3 +356,32 @@ func OpenExclusiveFile(path string) (*os.File, error) {
 	}
 	return os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666)
 }
+
+// PullType whether to pull new image
+type PullType int
+
+const (
+	// PullImageAlways always try to pull new image when create or run
+	PullImageAlways PullType = iota
+	// PullImageMissing pulls image if it is not locally
+	PullImageMissing
+	// PullImageNever will never pull new image
+	PullImageNever
+)
+
+// ValidatePullType check if the pullType from CLI is valid and returns the valid enum type
+// if the value from CLI is invalid returns the error
+func ValidatePullType(pullType string) (PullType, error) {
+	switch pullType {
+	case "always":
+		return PullImageAlways, nil
+	case "missing":
+		return PullImageMissing, nil
+	case "never":
+		return PullImageNever, nil
+	case "":
+		return PullImageMissing, nil
+	default:
+		return PullImageMissing, errors.Errorf("invalid pull type %q", pullType)
+	}
+}