#!/bin/sh
set -e

# Automatically added by dh_installnss/1.7
: "${DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT:=$(dpkg-query -f '${db:Status-Abbrev}\n' -W "$DPKG_MAINTSCRIPT_PACKAGE" | grep -c '^i')}"
if { [ "$1" = "remove" ] || [ "$1" = "purge" ] ; } && [ -e "${DPKG_ROOT}/etc/nsswitch.conf" ] && [ "$DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT" -eq 0 ] ; then
	sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" \
		-e ':a /^shadow:\s.*#/ s/(^[^#]+)\s(sss)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|#)/\1\3/g ; t a' \
		-e ':b /^shadow:\s.*#/ s/(^[^#]+)\s(sss)(\s|#)/\1\3/g ; t b' \
		-e ':c /^shadow:\s[^#]*$/ s/\s(sss)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|$)/\2/g ; t c' \
		-e ':d /^shadow:\s[^#]*$/ s/\s(sss)(\s|$)/\2/g ; t d'
fi
# End automatically added section
# Automatically added by dh_installnss/1.7
: "${DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT:=$(dpkg-query -f '${db:Status-Abbrev}\n' -W "$DPKG_MAINTSCRIPT_PACKAGE" | grep -c '^i')}"
if { [ "$1" = "remove" ] || [ "$1" = "purge" ] ; } && [ -e "${DPKG_ROOT}/etc/nsswitch.conf" ] && [ "$DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT" -eq 0 ] ; then
	sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" \
		-e ':a /^services:\s.*#/ s/(^[^#]+)\s(sss)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|#)/\1\3/g ; t a' \
		-e ':b /^services:\s.*#/ s/(^[^#]+)\s(sss)(\s|#)/\1\3/g ; t b' \
		-e ':c /^services:\s[^#]*$/ s/\s(sss)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|$)/\2/g ; t c' \
		-e ':d /^services:\s[^#]*$/ s/\s(sss)(\s|$)/\2/g ; t d'
fi
# End automatically added section
# Automatically added by dh_installnss/1.7
: "${DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT:=$(dpkg-query -f '${db:Status-Abbrev}\n' -W "$DPKG_MAINTSCRIPT_PACKAGE" | grep -c '^i')}"
if { [ "$1" = "remove" ] || [ "$1" = "purge" ] ; } && [ -e "${DPKG_ROOT}/etc/nsswitch.conf" ] && [ "$DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT" -eq 0 ] ; then
	sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" \
		-e ':a /^passwd:\s.*#/ s/(^[^#]+)\s(sss)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|#)/\1\3/g ; t a' \
		-e ':b /^passwd:\s.*#/ s/(^[^#]+)\s(sss)(\s|#)/\1\3/g ; t b' \
		-e ':c /^passwd:\s[^#]*$/ s/\s(sss)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|$)/\2/g ; t c' \
		-e ':d /^passwd:\s[^#]*$/ s/\s(sss)(\s|$)/\2/g ; t d'
fi
# End automatically added section
# Automatically added by dh_installnss/1.7
: "${DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT:=$(dpkg-query -f '${db:Status-Abbrev}\n' -W "$DPKG_MAINTSCRIPT_PACKAGE" | grep -c '^i')}"
if { [ "$1" = "remove" ] || [ "$1" = "purge" ] ; } && [ -e "${DPKG_ROOT}/etc/nsswitch.conf" ] && [ "$DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT" -eq 0 ] ; then
	sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" \
		-e ':a /^netgroup:\s.*#/ s/(^[^#]+)\s(sss)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|#)/\1\3/g ; t a' \
		-e ':b /^netgroup:\s.*#/ s/(^[^#]+)\s(sss)(\s|#)/\1\3/g ; t b' \
		-e ':c /^netgroup:\s[^#]*$/ s/\s(sss)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|$)/\2/g ; t c' \
		-e ':d /^netgroup:\s[^#]*$/ s/\s(sss)(\s|$)/\2/g ; t d'
fi
# End automatically added section
# Automatically added by dh_installnss/1.7
: "${DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT:=$(dpkg-query -f '${db:Status-Abbrev}\n' -W "$DPKG_MAINTSCRIPT_PACKAGE" | grep -c '^i')}"
if { [ "$1" = "remove" ] || [ "$1" = "purge" ] ; } && [ -e "${DPKG_ROOT}/etc/nsswitch.conf" ] && [ "$DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT" -eq 0 ] ; then
	sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" \
		-e ':a /^group:\s.*#/ s/(^[^#]+)\s(sss)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|#)/\1\3/g ; t a' \
		-e ':b /^group:\s.*#/ s/(^[^#]+)\s(sss)(\s|#)/\1\3/g ; t b' \
		-e ':c /^group:\s[^#]*$/ s/\s(sss)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|$)/\2/g ; t c' \
		-e ':d /^group:\s[^#]*$/ s/\s(sss)(\s|$)/\2/g ; t d'
fi
# End automatically added section
# Automatically added by dh_installnss/1.7
: "${DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT:=$(dpkg-query -f '${db:Status-Abbrev}\n' -W "$DPKG_MAINTSCRIPT_PACKAGE" | grep -c '^i')}"
if { [ "$1" = "remove" ] || [ "$1" = "purge" ] ; } && [ -e "${DPKG_ROOT}/etc/nsswitch.conf" ] && [ "$DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT" -eq 0 ] ; then
	sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" \
		-e ':a /^automount:\s.*#/ s/(^[^#]+)\s(sss)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|#)/\1\3/g ; t a' \
		-e ':b /^automount:\s.*#/ s/(^[^#]+)\s(sss)(\s|#)/\1\3/g ; t b' \
		-e ':c /^automount:\s[^#]*$/ s/\s(sss)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|$)/\2/g ; t c' \
		-e ':d /^automount:\s[^#]*$/ s/\s(sss)(\s|$)/\2/g ; t d'
fi
# End automatically added section
# Automatically added by dh_installnss/1.7
: "${DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT:=$(dpkg-query -f '${db:Status-Abbrev}\n' -W "$DPKG_MAINTSCRIPT_PACKAGE" | grep -c '^i')}"
if { [ "$1" = "remove" ] || [ "$1" = "purge" ] ; } && [ -e "${DPKG_ROOT}/etc/nsswitch.conf" ] && [ "$DPKG_MAINTSCRIPT_PACKAGE_INSTCOUNT" -eq 0 ] ; then
	if grep -q -E '^automount:\s*$' "${DPKG_ROOT}/etc/nsswitch.conf" ; then
		sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" -e '/^automount:/d'
	fi
fi
# End automatically added section


log() {
    echo "$*"
}

remove_nss_automount_db () {
    log "Checking NSS setup..."
    # abort if /etc/nsswitch.conf does not exist
    if ! [ -e "${DPKG_ROOT}/etc/nsswitch.conf" ]; then
        log "Could not find ${DPKG_ROOT}/etc/nsswitch.conf."
        return
    fi

    # Remove NSS databases: `automount` and `automounter` (legacy).
    sed -i '/^automount/d' "${DPKG_ROOT}/etc/nsswitch.conf"
}

case "$1" in
    remove|purge)
        if [ "${DPKG_MAINTSCRIPT_PACKAGE_REFCOUNT:-1}" = 1 ]; then
            remove_nss_automount_db
        fi
    ;;
    upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
    ;;

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