buildserver: ensure dirs to mount cache exist in guest VM instance

It seems that the 9p synced folder setup is not as flexible and easy as the
VirtualBox one, so we have to do more little things like this.

diff --git a/buildserver/Vagrantfile b/buildserver/Vagrantfile
index c182e07e6b5d025cbda62f82ee6d4d5fa76392ac..c353b5060d06b8985d5bca9cdde15530e9ff9fca 100644 (file)
--- a/buildserver/Vagrantfile
+++ b/buildserver/Vagrantfile
@@ -52,6 +52,10 @@ Vagrant.configure("2") do |config|
     config.vm.synced_folder configfile["cachedir"], '/vagrant/cache',
       create: true, type: synced_folder_type
   end
+  # Make sure dir exists to mount to, since buildserver/ is
+  # automatically mounted as /vagrant in the guest VM. This is more
+  # necessary with 9p synced folders
+  Dir.mkdir('cache') unless File.exists?('cache')
 
   # cache .deb packages on the host via a mount trick
   if configfile.has_key? "aptcachedir"