#! /bin/sh

echo Starting SVivaldi initscript

##to be done, i must integrate some security checks before 
##installing the rpm(checking the link(url) with .signature)

# logging: mark when the initscript started running
date > /tmp/svivaldi_initscript_stage1.log

# URL for Sviavldi rpm  initscript
PACKAGE_URL="http://build.one-lab.org/Svivaldi/Viv-0.1-1.i386.rpm"

DELAY=1
RETRY=1

while [ $RETRY -eq 1 ]; do
   # break out of loop by default
   RETRY=0

   # install the Svivaldi rpm
   sudo rpm -Uvh  $PACKAGE_URL
   if [ $? -ne 0 ]
       then
       rpm -qa Viv*
       if [ $? -eq 0 ]
	   then
	   RETRY=0
       else
	   echo "Failed to download $PACKAGE_URL"
	   RETRY=1
       fi
   fi
   # if something went wrong, then retry. This covers connection errors as
   # well as problems with the Svivaldi repository itself. If the repository is
   # offline, then the script will keep retrying until it comes online.
   if [ $RETRY -eq 1 ]; then
      echo "Delaying $DELAY seconds"

      sleep $DELAY

      # exponential backoff, up to 1 hour between retrievals
      DELAY=`expr $DELAY \* 2`
      if [ $DELAY -gt 3600 ]; then
          DELAY=3600
      fi
   fi

done