#
# Copyright (C) 2008, Thomas Harding <thomas.harding@laposte.net>
# 
# This Makefile allows to release versions of your package from
# an anonymous CVS repository,
# and upload them to whatever sftp server you like
#
# USAGE: "make upload VERSION=foo"
# ! YOU NEED TO SET UP SOME VARIABLES BELOW
# Required programs:
# 	- ssh-agent
# 	- sftp
# 	- cvs (client)
# 	- gpg
#
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. Neither my name nor the names of the contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY ME AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL ME OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#

###################################################################
# VARIABLES YOU NEED TO SET UP
###################################################################
EDITOR=vi# something suitable to edit CHANGES file
KEY=your_gpg_key_id # gpg --list-secret-keys
PACKAGE=yourpakage
CVS_ROOT=-d:pserver:anonymous@cvs.savannah.nongnu.org:/sources/$(PACKAGE)
# hack to always have the latest version, feel free to change that :)
CVSVERSION="-D $$(date -d'+1day' '+%m/%d/%y')"
# set to 1 for GNU projects with automatic upload only (not tested: I have not)
AUTO=0
# SSH id key, server and path (for non-GNU projects)
LOGIN=yourlogin
IDENTITYFILE=$$HOME/.ssh/id_dsa
SFTPSERVER=dl.sv.nongnu.org:/releases/
######################################
# END OF VARIABLES

######################
#
# TARGETS
#
download: $(PACKAGE)-$(VERSION)
archive: $(PACKAGE)_$(VERSION).tar.gz.sig
changes: .$(PACKAGE)_$(VERSION)_commitchanges
upload: .$(PACKAGE)_$(VERSION)_upload
clean: almostclean
distclean: clean almostdistclean

#######################
#
# RULES
#

$(PACKAGE)_$(VERSION).tar.gz.sig: $(PACKAGE)-$(VERSION)
	echo $<-$(VERSION)
	tar --gzip -chf $<.tar.gz $<
	gpg -b --local-user $(KEY) $<.tar.gz
	gpg --verify $<.tar.gz.sig
	test $(AUTO) -eq 1 && \
	  echo "version: 1.1" > "$<.tar.gz.directive" \
	|| true
	test $(AUTO) -eq 1 && \
	  echo "rmsymlink: $(PACKAGE)-latest.tar.gz" >> "$<.tar.gz.directive"\
	|| true
	test $(AUTO) -eq 1 && \
	  echo "symlink: $<.tar.gz $(PACKAGE)-latest.tar.gz" >> "$<.tar.gz.directive" \
	|| true
	test $(AUTO) -eq 1 && \
	  echo "directory: $(PACKAGE)" >> "$<.tar.gz.directive" \
	|| true
	test $(AUTO) -eq 1 && \
	  echo "filename: $<.tar.gz" >> "$<.tar.gz.directive" \
	|| true
	test $(AUTO) -eq 1 && \
	  test -n "$(COMMENT)" && \
            echo "comment: $(COMMENT)" >> "$<.tar.gz.directive" \
	|| true
	test $(AUTO) -eq 1 && \
	  gpg --clearsign --local-user $(KEY) $<.tar.gz.directive \
	|| true
	test $(AUTO) -eq 1 && \
	  rm $<.tar.gz.directive \
	|| true
	test $(AUTO) -eq 1 && \
	  gpg --verify $<.tar.gz.directive.asc \
	|| true

$(PACKAGE):
	touch $(PACKAGE)



.$(PACKAGE)_$(VERSION)_commitchanges: $(PACKAGE)
	if test -z "$(VERSION)" ; then \
	  echo "please run 'make VERSION=foo'"; \
	  false; \
	fi
	test -d $(PACKAGE) && cd $(PACKAGE) && $(EDITOR) CHANGES || true
	if test -d $(PACKAGE) ; then \
		cd $(PACKAGE) && cvs commit ;\
	fi
	touch .$(PACKAGE)_$(VERSION)_commitchanges

$(PACKAGE)-$(VERSION): $(PACKAGE) .$(PACKAGE)_$(VERSION)_commitchanges
	if test -z "$(VERSION)" ; then \
	  echo "please run 'make xxx VERSION=foo'"; \
	  false; \
	fi
	cvs -z3 $(CVS_ROOT) export $(CVSVERSION) -d $<-$(VERSION) $<



.$(PACKAGE)_$(VERSION)_upload: $(PACKAGE) $(PACKAGE)_$(VERSION).tar.gz.sig
	if test -z "$(VERSION)" ; then \
	  echo "please run 'make xxx VERSION=foo'"; \
	  false;\
	fi
	echo progress > $<-$(VERSION)_batch
	echo put $<-$(VERSION).tar.gz >> $<-$(VERSION)_batch
	echo put $<-$(VERSION).tar.gz.sig >> $<-$(VERSION)_batch
	echo -rm $<-CURRENT.tar.gz >> $<-$(VERSION)_batch
	echo -rm $<-CURRENT.tar.gz.sig >> $<-$(VERSION)_batch
	echo symlink $<-$(VERSION).tar.gz $<-CURRENT.tar.gz >> $<-$(VERSION)_batch
	echo symlink $<-$(VERSION).tar.gz.sig $<-CURRENT.tar.gz.sig >> $<-$(VERSION)_batch
	echo '-chmod 664 *.tar.gz*' >> $<-$(VERSION)_batch
	echo quit >> $<-$(VERSION)_batch
	echo "to make upload working"
	echo "you must ensure that ssh-agent is active and shell configured"
	echo "see http://sial.org/howto/openssh/publickey-auth/"
	ssh-add -t 300 $(IDENTITYFILE)
	sftp \
		-o "IdentityFile $(IDENTITYFILE)" \
		-b $<-$(VERSION)_batch \
		$(LOGIN)@$(SFTPSERVER)$<
	touch .$(PACKAGE)_$(VERSION)_upload
	

almostclean:
	if test -z "$(VERSION)" ; then \
	  echo "please run 'make xxx VERSION=foo'"; \
	  false;\
	fi
	rm -rf $(PACKAGE)-$(VERSION)
	rm -f .$(PACKAGE)_$(VERSION)_upload
	rm -f .$(PACKAGE)_$(VERSION)_commitchanges
	rm -f $(PACKAGE)-$(VERSION)_batch

almostdistclean:
	if test -z "$(VERSION)" ; then \
	  echo "please run 'make xxx VERSION=foo'"; \
	  false;\
	fi
	rm -f $(PACKAGE)-$(VERSION).tar.gz
	rm -f $(PACKAGE)-$(VERSION).tar.gz.sig
	rm -f $(PACKAGE)-$(VERSION).tar.gz.directive.asc