1 files changed, 54 insertions, 0 deletions
diff --git a/debian/dpkg.postrm b/debian/dpkg.postrm
new file mode 100644
index 0000000..599ffe3
--- /dev/null
+++ b/debian/dpkg.postrm
@@ -0,0 +1,54 @@
+#!/bin/sh
+# See deb-postrm(5).
+
+set -e
+
+# Remove log file when dpkg is purged
+remove_logfile() {
+  local logdir="$DPKG_ROOT/var/log"
+
+  rm -f "$logdir"/dpkg.log "$logdir"/dpkg.log.* 2>/dev/null
+  rm -f "$logdir"/alternatives.log "$logdir"/alternatives.log.* 2>/dev/null
+}
+
+# Remove backward compatibility symlink alias when dpkg is removed.
+remove_aliases() {
+  local prog=start-stop-daemon
+
+  if [ -L "$DPKG_ROOT/sbin/$prog" ]; then
+    rm "$DPKG_ROOT/sbin/$prog"
+  fi
+}
+
+# Version 1.22.0 stopped the systemd timer, which meant it would not run
+# anymore.
+fixup_systemd_timer() {
+  if [ -d /run/systemd/system ]; then
+    deb-systemd-invoke restart 'dpkg-db-backup.timer' >/dev/null || true
+  fi
+}
+
+case "$1" in
+remove)
+  remove_aliases
+  ;;
+purge)
+  remove_logfile
+  ;;
+upgrade)
+  if dpkg --compare-versions "$2" gt 1.22.0~ &&
+     dpkg --compare-versions "$2" le 1.22.1; then
+    fixup_systemd_timer
+  fi
+  ;;
+failed-upgrade|disappear|abort-install|abort-upgrade)
+  ;;
+*)
+  echo "$0 called with unknown argument '$1'" 1>&2
+  exit 1
+  ;;
+esac
+
+#DEBHELPER#
+
+exit 0