diff --git a/cd.sh b/cd.sh
index 0849e8d..04d80a4 100644
--- a/cd.sh
+++ b/cd.sh
@@ -12,6 +12,7 @@ cd_main () {
     cd_update_packages_catalog
     cd_install_packages_tools
     cd_install_ca
+    cd_copy_ca
     cd_update_ca
     cd_set_https_verification_on
     cd_update_packages_catalog
@@ -164,6 +165,16 @@ cd_install_ca () {
     esac
 }
 
+cd_copy_ca () {
+local target
+    cd_step "Copy CA"
+    case "${CD_OS_NAME}" in
+        "debian") target="/usr/local/share/ca-certificates" ;;
+        *) exit 1 ;;
+    esac
+    # TODO copy
+}
+
 cd_update_ca () {
     cd_step "Update CA"
     case "${CD_OS_NAME}" in