[Context] [Bug 381437] [NEW] return a nice error for rsync connectivity problems

Public bug reported: If user is behind firewall or network is down, return error rather than trying to call rsync dozens of times. ** Affects: context Importance: Undecided Status: New -- return a nice error for rsync connectivity problems https://bugs.launchpad.net/bugs/381437 You received this bug notification because you are a member of ConTeXt distribution team, which is the registrant for ConTeXt distribution. Status in ConTeXt distribution: New Bug description: If user is behind firewall or network is down, return error rather than trying to call rsync dozens of times.