# - Clone remote repo into <mydir>/<myrepo>
# - Add the following to <mydir>/Makefile:
#   - SUBMOD_SRC_DIR = ./<myrepo>
#   - include <path-to-this-makefile>
# - run git-init-submod-remote

ifeq ($(USE_USER_URL),true)
  JANWARE_USER_PREFIX        = $(JANWARE_USER)@
endif

SUBMOD_SRC_DIR              ?= .
GIT_SRV_ADMIN_SH             = ssh $(JANWARE_USER_PREFIX)git.janware.com /opt/jw-pkg/bin/git-srv-admin.sh
GIT_REPO_URL                 = ssh://$(JANWARE_USER_PREFIX)git.janware.com/srv/git/$(JANWARE_USER)/contrib/$(SUBMOD_PKG_NAME)
SUBMOD_PATH                  = $(patsubst $(abspath $(TOPDIR))/%,%,$(abspath $(CWD)/$(SUBMOD_SRC_DIR)))
SUB_GIT                      = git -C $(SUBMOD_SRC_DIR)

ifneq ($(wildcard $(SUBMOD_SRC_DIR)/.git),)
  SUBMOD_PKG_NAME           := $(shell $(SUB_GIT) remote -v | sed -n 's/^[a-zA-Z_]\+\s//; s/  *.*//; s%.*/%%; s%\.git%%; 1p')
  SUBMOD_MAIN_BRANCH        := $(firstword $(shell $(SUB_GIT) branch --format '%(refname:lstrip=2)'))
endif

include $(JWBDIR)/make/defs.mk

all:
install:
clean:
distclean:

git-init-submod-remote:
	[ "$(SUBMOD_PKG_NAME)" ]    # SUBMOD_PKG_NAME
	[ "$(SUBMOD_MAIN_BRANCH)" ] # SUBMOD_MAIN_BRANCH
	[ "$(SUBMOD_SRC_DIR)" ]     # SUBMOD_SRC_DIR
	[ "$(SUBMOD_PATH)" ]        # SUBMOD_PATH
	[ "$(GIT_REPO_URL)" ]       # GIT_REPO_URL
	$(GIT_SRV_ADMIN_SH) -F contrib create-repo $(SUBMOD_PKG_NAME)
	$(SUB_GIT) remote rename origin upstream
	$(SUB_GIT) remote set-url --push upstream no-push
	$(SUB_GIT) remote add origin $(GIT_REPO_URL)
	$(SUB_GIT) config branch.$(SUBMOD_MAIN_BRANCH).remote origin
	$(SUB_GIT) config branch.$(SUBMOD_MAIN_BRANCH).merge refs/heads/$(SUBMOD_MAIN_BRANCH)
	$(SUB_GIT) push origin $(SUBMOD_MAIN_BRANCH)
	git -C $(TOPDIR) submodule add -f $(GIT_REPO_URL) $(SUBMOD_PATH)
	git submodule init
	git commit -m "Add git submodule $(SUBMOD_PATH)" $(SUBMOD_SRC_DIR) $(TOPDIR)/.gitmodules