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#! /bin/bash
# Script from Frans Pop
set -e
if [ -z "$1" ]; then
echo "Usage: insserv-seq-changes /var/lib/insserv/<old bootscripts tarball>"
exit 1
fi
oldtar="$(tar tzf $1)"
for i in S $(seq 0 6); do
echo "Runlevel $i"
new="$(cd /etc/rc$i.d; ls -1 [KS]* | sort | nl)"
old="$(echo "$oldtar" | grep "^rc$i.d/[KS]" | cut -d/ -f2 | sort | nl)"
case $i in
S|0|6)
old="$(echo "$old" | sed -r "s/[KS][0-9]+//")"
new="$(echo "$new" | sed -r "s/[KS][0-9]+//")"
;;
*)
old="$(echo "$old" | sed -r "s/([KS])[0-9]+/\1_/")"
new="$(echo "$new" | sed -r "s/([KS])[0-9]+/\1_/")"
;;
esac
echo "$new" | while read num cmd; do
oldnum=$(echo "$old" | grep "[[:space:]]$cmd$" | awk '{print $1}')
if [ "$oldnum" ]; then
diff=$(($num - $oldnum))
else
oldnum="---"
diff=""
fi
if [ ${#cmd} -ge 16 ]; then
echo -e "$cmd\t$num\t$oldnum\t$diff"
elif [ ${#cmd} -ge 8 ]; then
echo -e "$cmd\t\t$num\t$oldnum\t$diff"
else
echo -e "$cmd\t\t\t$num\t$oldnum\t$diff"
fi
done
echo "$old" | while read num cmd; do
if ! echo "$new" | grep -q "[[:space:]]$cmd$"; then
if [ ${#cmd} -ge 16 ]; then
echo -e "$cmd\t---\t$oldnum"
elif [ ${#cmd} -ge 8 ]; then
echo -e "$cmd\t\t---\t$oldnum"
else
echo -e "$cmd\t\t\t---\t$oldnum"
fi
fi
done
echo
done
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