packaging/seq-changes

   1 #! /bin/bash
   2 # Script from Frans Pop
   3
   4 set -e
   5
   6 if [ -z "$1" ]; then
   7         echo "Usage: insserv-seq-changes /var/lib/insserv/<old bootscripts tarball>"
   8         exit 1
   9 fi
  10
  11 oldtar="$(tar tzf $1)"
  12 for i in S $(seq 0 6); do
  13         echo "Runlevel $i"
  14         new="$(cd /etc/rc$i.d; ls -1 [KS]* | sort | nl)"
  15         old="$(echo "$oldtar" | grep "^rc$i.d/[KS]" | cut -d/ -f2 | sort | nl)"
  16         case $i in
  17             S|0|6)
  18                 old="$(echo "$old" | sed -r "s/[KS][0-9]+//")"
  19                 new="$(echo "$new" | sed -r "s/[KS][0-9]+//")"
  20                 ;;
  21             *)
  22                 old="$(echo "$old" | sed -r "s/([KS])[0-9]+/\1_/")"
  23                 new="$(echo "$new" | sed -r "s/([KS])[0-9]+/\1_/")"
  24                 ;;
  25         esac
  26         echo "$new" | while read num cmd; do
  27                 oldnum=$(echo "$old" | grep "[[:space:]]$cmd$" | awk '{print $1}')
  28                 if [ "$oldnum" ]; then
  29                         diff=$(($num - $oldnum))
  30                 else
  31                         oldnum="---"
  32                         diff=""
  33                 fi
  34                 if [ ${#cmd} -ge 16 ]; then
  35                         echo -e "$cmd\t$num\t$oldnum\t$diff"
  36                 elif [ ${#cmd} -ge 8 ]; then
  37                         echo -e "$cmd\t\t$num\t$oldnum\t$diff"
  38                 else
  39                         echo -e "$cmd\t\t\t$num\t$oldnum\t$diff"
  40                 fi
  41         done
  42         echo "$old"  | while read num cmd; do
  43                 if ! echo "$new" | grep -q "[[:space:]]$cmd$"; then
  44                         if [ ${#cmd} -ge 16 ]; then
  45                                 echo -e "$cmd\t---\t$oldnum"
  46                         elif [ ${#cmd} -ge 8 ]; then
  47                                 echo -e "$cmd\t\t---\t$oldnum"
  48                         else
  49                                 echo -e "$cmd\t\t\t---\t$oldnum"
  50                         fi
  51                 fi
  52         done
  53         echo
  54 done