Fix SC (#2712)

Author: enoch85

vagrant/install.sh

@@ -1,10 +1,12 @@
 #!/bin/bash
 
 true
-SCRIPT_NAME="Install NcVM with Vagrant"
 
+# Clone this repo
 git clone https://github.com/nextcloud/vm.git
 
-cd vm
+# We need a check here due to Shellcheck
+cd vm || exit
 
+# Do the installation
 sudo bash nextcloud_install_production.sh --provisioning