#
# SPDX-License-Identifier: LGPL-2.0-only
#
# Makefile for managing multiple software repositories in one tree
#
# (C) Copyright 2001-2025, Jan Lindemann <jan@janware.com>
#
# This is the top-level Makefile for a software build tree organized by
# jw-build. It is provided under the terms of the GNU Lesser Public License,
# Version 2.
#
# Current documentation on how this Makefile is meant to be used can be found
# under https://janware.com/wiki/pub/en/sw/build/. Running "make help" might
# take you there semi-automatically.
#

PROJECTS_MAKEFILE_NAME      := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))

-include local.mk

JWBDIR                      ?= jw-build

ifeq ($(JANWARE_USER),)
  ifneq ($(wildcard $(JWBDIR)),)
    JANWARE_USER            := $(shell /usr/bin/python3 $(JWBDIR)/scripts/jw-projects.py -p . get-auth-info --username --only-values)
  endif
endif
ifeq ($(origin PROJECTS_DIR_REMOTE_BASE),undefined)
  ifneq ($(JANWARE_USER),)
    CLONE_FROM_USER          ?= $(JANWARE_USER)
    PROJECTS_DIR_REMOTE_BASE ?= ssh://$(JANWARE_USER)@git.janware.com/srv/git
  else
    CLONE_FROM_USER          ?= janware
    PROJECTS_DIR_REMOTE_BASE ?= https://janware.com/code
  endif
endif
JWBDIR_GIT_REMOTE           ?= $(PROJECTS_DIR_REMOTE_BASE)/$(CLONE_FROM_USER)/$(notdir $(JWBDIR))
PROJECTS_DIR_INCLUDE_MK      = $(JWBDIR)/make/projects-dir-include.mk

all:

include $(PROJECTS_DIR_INCLUDE_MK)

$(PROJECTS_DIR_INCLUDE_MK): | $(JWBDIR)

$(JWBDIR):
	git -c http.proactiveAuth=basic clone $(addprefix -b ,$(JW_BUILD_BRANCH)) $(JWBDIR_GIT_REMOTE) $(JWBDIR)
	git -C $(JWBDIR) config set http.proactiveAuth basic
	make $(MAKECMDGOALS)

all: link-makefile.done
link-makefile.done: | $(JWBDIR)
	[ -L $(PROJECTS_MAKEFILE_NAME) ] || \
		ln -sf `git -C $(JWBDIR) ls-files | sed '/\.mk$$/ !d; s|^|$(JWBDIR)/|' | xargs grep -l some-random-string-to-id-this-makefile` \
			$(PROJECTS_MAKEFILE_NAME)
	touch $@
clean: clean.link-makefile
clean.link-makefile:
	rm -f link-makefile.done