#
# Project Home:
# ============
#   https://jackaudio.org
#
# Clone:
# =====
#   git clone https://github.com/jackaudio/jack1.git
#

url        = https://github.com/jackaudio

repo_name  = jack1
pkg_name   = jack

versions   = 0.126.0
#
# List of revisions to be extracted:
# =================================
#
#                                               hash | version
#            ----------------------------------------+--------
revisions  = 48b2d8a525b0082dded4a9d1d6137a2767962b2a:0.126.0

git_repo   = .git_clone

suffix     = tar.xz

versions   = $(foreach tag, $(revisions), $(shell echo $(tag) | cut -f 2 -d ':'))

tarballs   = $(addsuffix .$(suffix), $(addprefix $(pkg_name)-, $(versions)))
sha1s      = $(addsuffix .sha1sum, $(tarballs))

TARGETS = repository_clean

all: $(TARGETS)

.PHONY: downloads_clean repository_clean

$(git_repo):
	@echo -e "\n======= Clone $(repo_name).git repository =======\n"
	@rm -rf $(repo_name)
	@git clone $(url)/$(repo_name).git $(repo_name)
	@touch $@

$(tarballs): $(git_repo)
	@for revision in $(revisions) ; do \
	  hash=`echo $$revision | cut -f 1 -d ':'` ; \
	  version=`echo $$revision | cut -f 2 -d ':'` ; \
	  if [ ! -f $(repo_name)-$$version.$(suffix) ]; then \
	    echo -e "\n======= Creating '$(repo_name)-$$version.$(suffix)' snapshot =======" ; \
	    ( cd $(repo_name) ; \
	      git submodule update --init ; \
	      git archive --format=tar --prefix=$(pkg_name)-$${version}/ --output=../$(pkg_name)-$${version}.tar $${hash} ; \
	      cmd="git submodule foreach --recursive 'git archive --format=tar --prefix=$(pkg_name)-$${version}/\$$sm_path/ HEAD --output=\$$toplevel/../$(pkg_name)-$${version}-sub-\$$sha1.tar'" ; \
	      eval $${cmd} ; \
	    ) ; \
	    tar --concatenate --file $(pkg_name)-$${version}.tar $(pkg_name)-$${version}-sub-*.tar ; \
	    rm -f $(pkg_name)-$${version}-sub-*.tar ; \
	    xz $(pkg_name)-$${version}.tar ; \
	  fi ; \
	done

$(sha1s): %.$(suffix).sha1sum : %.$(suffix)
	@for tarball in $< ; do \
	  echo -e "\n======= Calculation the '$$tarball' sha1sum =======" ; \
	  sha1sum --binary $$tarball > $$tarball.sha1sum ; \
	done

repository_clean: $(sha1s)
	@echo -e "\n======= Remove cloned $(repo_name).git repository =======\n"
	@rm -rf $(git_repo) $(repo_name)

downloads_clean:
	@rm -rf $(tarballs) $(sha1s)
	@rm -rf $(git_repo) $(repo_name)