#!/bin/sh
# postinst script for openmpi
#
# see: dh_installdeb(1)

set -e

xcat_can_use_systemctl()
{
    [ -d /run/systemd/system ] && command -v systemctl >/dev/null 2>&1
}

xcatd_init_compat=/opt/xcat/share/xcat/scripts/xcatd-init-compat

if "$xcatd_init_compat" uses-systemd && \
   command -v dpkg-maintscript-helper >/dev/null 2>&1 && \
   dpkg-maintscript-helper supports rm_conffile; then
    dpkg-maintscript-helper rm_conffile /etc/init.d/xcatd -- "$@"
fi

# 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 http://www.debian.org/doc/debian-policy/ or
# the debian-policy package


case "$1" in
    configure)
        . /etc/profile.d/xcat.sh
        xcat_server_upgrade=0
        if [ -f /tmp/xCAT-server_upgrade.tmp ]; then
            xcat_server_upgrade=1
        fi

        if "$xcatd_init_compat" uses-systemd; then
            legacy_xcatd_enabled=0
            if ls /etc/rc?.d/S??xcatd >/dev/null 2>&1; then
                legacy_xcatd_enabled=1
            fi
            if [ "$xcat_server_upgrade" = "1" ] && command -v update-rc.d >/dev/null 2>&1; then
                update-rc.d -f xcatd remove
            fi

            "$xcatd_init_compat" configure
            if xcat_can_use_systemctl; then
                systemctl daemon-reload
            fi
            if command -v systemctl >/dev/null 2>&1 && \
               { [ "$xcat_server_upgrade" = "0" ] || [ "$legacy_xcatd_enabled" = "1" ]; }; then
                # Fresh installs are enabled by default.  Upgrades preserve the
                # legacy enabled state so HA nodes remain disabled.
                systemctl enable xcatd.service
            fi
        else
            "$xcatd_init_compat" configure
            if [ "$xcat_server_upgrade" = "0" ] && \
               [ -x /etc/init.d/xcatd ] && \
               command -v update-rc.d >/dev/null 2>&1; then
                update-rc.d xcatd defaults
            fi
        fi

        if [ "$xcat_server_upgrade" = "1" ]; then
            # No need to reload xcatd here as it will be covered by xCAT/xCATsn now.
            rm -f /tmp/xCAT-server_upgrade.tmp
        fi
        ln -sf /opt/xcat/sbin/xcatd /usr/sbin/xcatd
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0