#!/usr/bin/make -f

#
# \brief  Download packages
# \author Norman Feske
# \date   2017-03-23
#

define HELP_MESSAGE

  Download, verify, and uncompress depot content

  usage:

    $(firstword $(MAKEFILE_LIST)) <archive-path> {PUBLIC=<public>}

endef

export GENODE_DIR := $(realpath $(dir $(MAKEFILE_LIST))/../..)

PUBLIC_DIR     ?= $(GENODE_DIR)/public
DEPOT_TOOL_DIR ?= $(GENODE_DIR)/tool/depot

include $(DEPOT_TOOL_DIR)/mk/front_end.inc

# sanitize arguments
ARGS := $(subst ..,__,$(MAKECMDGOALS))

DEPENDENCIES_CMD = $(DEPOT_TOOL_DIR)/dependencies $(ARGS)
DOWNLOAD_CMD     = $(DEPOT_TOOL_DIR)/mk/downloader VERBOSE=$(VERBOSE)

.PHONY: download
download:
	$(VERBOSE)\
	while true; do \
		if $(DEPENDENCIES_CMD) > /dev/null 2> /dev/null; then break; fi; \
		missing_deps=`$(MAKE) -f $(DEPENDENCIES_CMD) 2> /dev/null | sed -n "/^ /s/ *//p"`; \
		$(DOWNLOAD_CMD) $$missing_deps || break; \
	done;

$(MAKECMDGOALS): download
	@true