# -*-Makefile-*-
# This Makefile fragment is shared between fileutils, sh-utils, textutils.

maintainer-check:
	if head ChangeLog| grep 'Version $(VERSION)' > /dev/null; then \
	  :; \
	else \
	  echo "$(VERSION) not in ChangeLog; not tagging" 1>&2; \
	  exit 1; \
	fi
	$(MAKE) distcheck
	$(MAKE) my-distcheck

# Tag before making distribution.  Also, don't make a distribution if
# checks fail.  Also, make sure the NEWS file is up-to-date.
# FIXME: use dist-hook/my-dist like distcheck-hook/my-distcheck.
cvs-dist: maintainer-check
	pkg=`echo "$(PACKAGE)" | tr a-z A-Z`; \
	ver=`echo "$(VERSION)" | sed 's/\./_/g'`; \
	tag="$$pkg-$$ver"; \
	echo tag=$$tag; \
	if cvs -n log -h README| grep -e $$tag: > /dev/null; then \
	  echo "VERSION not new; not tagging" 1>&2; \
	  exit 1; \
	fi; \
	cvs update po; \
	cvs tag -c $$tag
	$(MAKE) dist

t=./=test
my-distcheck:
	-rm -rf $(t)
	mkdir $(t)
	GZIP=$(GZIP) $(TAR) -C $(t) -zxf $(distdir).tar.gz
	cd $(t)/$(distdir) \
	  && ./configure --with-gd=no --with-qt=no --with-tutorial \
	  && $(MAKE) CFLAGS='-Wformat -Werror' \
	  && $(MAKE) check \
	  && $(MAKE) distclean
	cd $(t) && mv $(distdir) $(distdir).old \
	  && $(TAR) -zxf ../$(distdir).tar.gz
	diff -ur $(t)/$(distdir).old $(t)/$(distdir)
	-rm -rf $(t)
	@echo "========================"; \
	echo "$(distdir).tar.gz is ready for distribution"; \
	echo "========================"

THIS_VERSION_REGEXP = $(subst .,\.,$(VERSION))
# FIXME: this works only for Gnits-style test releases.
PREV_VERSION := $(shell echo $(VERSION)|tr a-z Xa-y)
PREV_VERSION_REGEXP := $(shell echo $(PREV_VERSION)|sed 's/\./\\./g')
v = Version
url-host-prefix = ftp://ftp.ucc.ie/
url = $(url-host-prefix)/pub/gnuplot/$(distdir).tar.gz
md5 = $(shell md5sum < $(distdir).tar.gz|sed 's/  -//')

rel-check:
	tarz=/tmp/rel-check-tarz-$$$$; \
	md5_tmp=/tmp/rel-check-md5-$$$$; \
	set -e; \
	trap 'status=$$?; rm -f $$tarz $$md5_tmp; exit $$status' 0 1 2 3 15; \
	wget -q --output-document=$$tarz $(url); \
	echo "$(md5)  -" > $$md5_tmp; \
	md5sum -c $$md5_tmp < $$tarz

announcement: NEWS ChangeLog $(distdir).tar.gz
	@( \
	  echo Subject: $(distdir) released; \
	  echo; \
	  echo FIXME: put comments here; \
	  echo; \
	  echo "  $(url)"; \
	  echo; \
	  echo "$(md5)  $(distdir).tar.gz"; \
	  echo; \
	  echo NEWS:; \
	  sed -n "/$(THIS_VERSION_REGEXP)/,/$(PREV_VERSION_REGEXP)/p" NEWS \
	    | grep -v '^\['; \
	  echo; \
	  echo ChangeLog entries:; \
	  sed -n "1,/$v $(PREV_VERSION_REGEXP)/p" \
	    ChangeLog; \
	)

alpha:
	$(MAKE) cvs-dist
	$(MAKE) -s announcement > /tmp/announcement
	ln $(distdir).tar.gz ../release
	chmod a-w $(distdir).tar.gz
	@echo =====================================
	@echo 'ncftp -u $(url-host-prefix)/fs/share/ftp/gnu/fetish/'
	@echo '#   put $(distdir).tar.gz'
	@echo '# send the /tmp/announcement e-mail'
	@echo 'pot-mail $(distdir).tar.gz | bash'
	@echo =====================================

amfiles:
	for subdir in config demo m4 term tutorial ; do \
	  make -C $$subdir -f Makefile.am.in Makefile.am ; \
	done

ReleaseNotes.html: RELEASE_NOTES
	txt2html -pm --style_url ReleaseNotes.css RELEASE_NOTES \
	         --outfile ReleaseNotes.html