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#!/bin/sh

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see https://www.debian.org/doc/debian-policy/ or
# the debian-policy package

case "$1" in
    configure)
        # Podman 3.0 dropped the varlink interface, so we need to cleanup
        # the related systemd service, cf. #981708
        if dpkg --compare-versions "$2" le-nl '3.0.0~rc2+dfsg1-3'; then
            deb-systemd-helper purge  io.podman.service io.podman.socket >/dev/null || true
            deb-systemd-helper unmask io.podman.service io.podman.socket >/dev/null || true
        fi
    ;;

    *)
    ;;
esac

#DEBHELPER#