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✏️ Editing: dpkg.postinst

#!/bin/sh
# See deb-postinst(5).

set -e

# Version 1.21.0 had bogus handling of DPKG_ADMINDIR in update-alternatives,
# and misplaced them, fix them up.
fixup_misplaced_alternatives()
(
  admindir=${DPKG_ADMINDIR:-/var/lib/dpkg}

cd "$admindir"

for file in *; do
    if ! [ -f "$file" ]; then
      # Ignore anything that is not a file.
      continue
    fi

# Check whether the file looks like an alternative state file.
    mode="$(head -1 "$file")"
    case "$mode" in
    auto|manual)
      # Looks like a state file, we will handle this one.
      echo "Moving misplaced alternative state file $admindir/$file..."
      mv "$file" "alternatives/$file"
      ;;
    *)
      echo "warning: unknown dpkg database file $admindir/$file is not a misplaced alternative state... leaving as is" 1>&2
      continue
      ;;
    esac
  done
)

case "$1" in
configure)
  fixup_misplaced_alternatives
  ;;
abort-upgrade|abort-deconfigure|abort-remove)
  ;;
*)
  echo "$0 called with unknown argument '$1'" 1>&2
  exit 1
  ;;
esac

# Automatically added by dh_installsystemd/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'dpkg-db-backup.timer' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'dpkg-db-backup.timer'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'dpkg-db-backup.timer' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'dpkg-db-backup.timer' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'dpkg-db-backup.service' 'dpkg-db-backup.timer' >/dev/null || true
	fi
fi
# End automatically added section

exit 0

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