#
# PSEUDO: git://git.yoctoproject.org/pseudo
#
# Cgit:
# ====
#   https://git.yoctoproject.org/pseudo
#

url        = git://git.yoctoproject.org

repo_name  = pseudo

#
# List of revisions to be extracted:
# =================================
#
#                                               hash | version
#            ----------------------------------------+--------
revisions  = 735ac1b9ff7471b100f6758f9072bfd45e0e3f40-1.7.4
revisions += eb47d855a831b6dc0ad34890e84b8f6f483693df-1.8.1
revisions += fb3a0eeb7def32aaf2288e1b73573eb2f1862acf-1.8.2
revisions += 23f089f480e04ca1b88df8fe1f46b864fee2a0b8-1.9.0

git_repo   = .git_clone

suffix     = tar.xz

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

tarballs   = $(addsuffix .$(suffix), $(addprefix $(repo_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) $(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 $(repo_name) && \
	      git archive --format=tar --prefix=$(repo_name)-$$version/ $$hash | \
	      xz >../$(repo_name)-$$version.$(suffix) ) ; \
	  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)