#
# Project Home:
# ============
#   http://opendkim.org
#
# Downloads:
# =========
#   https://downloads.sourceforge.net/opendkim/opendkim-2.10.3.tar.gz
#
# GitHub:
# ======
#   https://github.com/trusteddomainproject/OpenDKIM
#   git clone https://github.com/trusteddomainproject/OpenDKIM.git
#
#
#

url        = https://github.com/trusteddomainproject

repo_name  = OpenDKIM
pkg_name   = opendkim

#
# List of revisions to be extracted:
# =================================
#
#                                               hash | version
#            ----------------------------------------+--------
revisions  = ba29fa57b2455143dd86973c2229d6f7b8e16d9b:2.11.0.2

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 $(repo_name) && \
	      git archive --format=tar --prefix=$(pkg_name)-$$version/ $$hash | \
	      xz >../$(pkg_name)-$$version.$(suffix) ) ; \
	  fi ; \
	  tar xJf $(pkg_name)-$$version.$(suffix) ; \
	  ( cd $(pkg_name)-$$version ; \
	    autoreconf -vif ; \
	    find . -type f -name .gitignore -print -exec rm -f {} \; ; \
	    rm -rf autom4te.cache .gitignore .gitattributes; \
	    rm -f *~ build-aux/*~ ; \
	  ) ; \
	  tar cJf $(pkg_name)-$$version.$(suffix) $(pkg_name)-$$version ; \
	  rm -rf $(pkg_name)-$$version ; \
	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)