Git repository to a VirtualBox guest via sshfs

The host has a git repository /home/meisterluk/repo and has VirtualBox running a UNIX operating system. We want to provide the git repository as read-only folder to the guest. Test system as host and guest was xubuntu 14.04.

1. Install openssh-server on your host system. ps aux | grep sshd should return one line mentioning the running ssh daemon afterwards.
2. Install sshfs in your guest operating system.
3. Change VirtualBox’s Configuration > Network > Adapter 1 from Attached to: NAT to Attached to: Bridged Adapter. Name: wlan0 works for me because I am using the wlan0 device to connect to the internet.
4. Ask for the ip address of your host network device via ip a. For me this is 192.168.1.112.
5. Run
   

   sshfs [host operating system username]@[IP address]:[repository path on host system] [mount point] -o allow_other,uid=33,gid=33
   actually: sshfs meisterluk@192.168.1.112:/home/meisterluk/repo /var/www/html/repo -o allow_other,uid=33,gid=33

   where 33 is the uid and gid of the user www-data. In order to set allow_other I had to uncomment the line user_allow_other in /etc/fuse.conf.

If you savestate the VirtualBox instance and continue again, you need to remount it again (because apparently the SSH session stopped). You can always umount the sshfs using sudo fusermount -u /var/www/html/repo.

Credits go to LSPE for his hints. Thanks!