fix: Accept the CN through a flag

internal/clis/hmpki/generate_ca.go

@@ -17,6 +17,14 @@ import (
 
 func init() {
 	generateCmd.AddCommand(generateCACmd)
+
+	generateCACmd.Flags().StringVar(
+		&CommonName,
+		"common-name",
+		"",
+		"Common Name for the CA",
+	)
+	generateCACmd.MarkFlagRequired("common-name")
 }
 
 var generateCACmd = &cobra.Command{
@@ -35,7 +43,7 @@ var generateCACmd = &cobra.Command{
 			SerialNumber: sn,
 			Subject: pkix.Name{
 				// TODO: Accept common name as a flag.
-				CommonName: "Some Common Name",
+				CommonName: CommonName,
 			},
 			// Valid starting now and for 10 years.
 			NotBefore: time.Now(),
@@ -77,7 +85,6 @@ var generateCACmd = &cobra.Command{
 			return err
 		}
 
-		// Write ca.crt to Output
 		return nil
 	},
 }