debian/dpkg.postrm

   1 #!/bin/sh
   2 # See deb-postrm(5).
   3
   4 set -e
   5
   6 # Remove log file when dpkg is purged
   7 remove_logfile() {
   8   local logdir="$DPKG_ROOT/var/log"
   9
  10   rm -f "$logdir"/dpkg.log "$logdir"/dpkg.log.* 2>/dev/null
  11   rm -f "$logdir"/alternatives.log "$logdir"/alternatives.log.* 2>/dev/null
  12 }
  13
  14 # Remove backward compatibility symlink alias when dpkg is removed.
  15 remove_aliases() {
  16   local prog=start-stop-daemon
  17
  18   if [ -L "$DPKG_ROOT/sbin/$prog" ]; then
  19     rm "$DPKG_ROOT/sbin/$prog"
  20   fi
  21 }
  22
  23 # Version 1.22.0 stopped the systemd timer, which meant it would not run
  24 # anymore.
  25 fixup_systemd_timer() {
  26   if [ -d /run/systemd/system ]; then
  27     deb-systemd-invoke restart 'dpkg-db-backup.timer' >/dev/null || true
  28   fi
  29 }
  30
  31 case "$1" in
  32 remove)
  33   remove_aliases
  34   ;;
  35 purge)
  36   remove_logfile
  37   ;;
  38 upgrade)
  39   if dpkg --compare-versions "$2" gt 1.22.0~ &&
  40      dpkg --compare-versions "$2" le 1.22.1; then
  41     fixup_systemd_timer
  42   fi
  43   ;;
  44 failed-upgrade|disappear|abort-install|abort-upgrade)
  45   ;;
  46 *)
  47   echo "$0 called with unknown argument '$1'" 1>&2
  48   exit 1
  49   ;;
  50 esac
  51
  52 #DEBHELPER#
  53
  54 exit 0