#
# Copyright (C) 2018 Canonical Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

USE_CANONICAL_SNAP_MOUNT_DIR ?= true
USE_ALT_SNAP_MOUNT_DIR ?= false

ENVD := /usr/lib/environment.d/

%.conf: %.conf.in
	m4 -P -E \
		-D "USE_CANONICAL_SNAP_MOUNT_DIR=$(USE_CANONICAL_SNAP_MOUNT_DIR)" \
		-D "USE_ALT_SNAP_MOUNT_DIR=$(USE_ALT_SNAP_MOUNT_DIR)" \
		< $< > $@

GENERATED = 990-snapd.conf

all: ${GENERATED}
.PHONY: all

install: ${GENERATED}
	# NOTE: old (e.g. 14.04) GNU coreutils doesn't -D with -t
	install -d -m 0755 ${DESTDIR}/${ENVD}
	install -m 0644 -t ${DESTDIR}/${ENVD} $^
.PHONY: install

clean:
	$(RM) ${GENERATED}
.PHONY: clean
