chore: add filter to ListMachines

internal/cli/flags.go

@@ -0,0 +1,23 @@
+package cli
+
+import (
+	"strings"
+)
+
+// ExpandCommaSeparatedValues takes a slice of strings and expands any comma-separated values into individual elements.
+func ExpandCommaSeparatedValues(values []string) []string {
+	if len(values) == 0 {
+		return nil
+	}
+
+	var expanded []string
+	for _, value := range values {
+		for _, v := range strings.Split(value, ",") {
+			if v = strings.TrimSpace(v); v != "" {
+				expanded = append(expanded, v)
+			}
+		}
+	}
+
+	return expanded
+}