#!/usr/bin/make -f
# debian/rules for unison package
# Copyright (C) 2006-2009 Sylvain Le Gall <gildor@debian.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.

include /usr/share/cdbs/1/rules/ocaml.mk
include /usr/share/cdbs/1/rules/debhelper.mk

VERSION=$(DEB_UPSTREAM_VERSION)
# version used with addversionno in unison
VERSIONNO=$(shell echo $(VERSION) | cut -f 1-2 -d .)

ifeq ($(DEB_SOURCE_PACKAGE),unison)
# latest package
PACKAGE_VERSION=
PRIORITY=20
# unison-gtk can replaced unison
PRIORITY_GTK=15
else
# compatibility package
PACKAGE_VERSION=$(VERSION)
PRIORITY=10
PRIORITY_GTK=5
endif

TR=$(subst .,_,$(subst -,_,$1))

UNISON=unison-$(VERSION)
UNISON_MAJ=UNISON-$(VERSION)
UNISON_PACKAGE=unison$(PACKAGE_VERSION)
UNISON_ALTERNATIVE=$(if $(PACKAGE_VERSION),$(UNISON),unison-latest-stable)
UNISON_VERSIONNO=unison-$(VERSIONNO)
UNISON_VAR=$(call TR,$(UNISON))

UNISON_GTK=unison-$(VERSION)-gtk
UNISON_GTK_PACKAGE=$(UNISON_PACKAGE)-gtk
UNISON_GTK_ALTERNATIVE=$(if $(PACKAGE_VERSION),$(UNISON_GTK),unison-latest-stable-gtk)
UNISON_GTK_VERSIONNO=unison-$(VERSIONNO)-gtk
UNISON_GTK_VAR=$(call TR,$(UNISON_GTK))

RENAME := debian/unison.1.in
RENAME += debian/unison.doc-base.in
RENAME += debian/unison-gtk.svg.in
RENAME += debian/unison-gtk.install.in
RENAME += debian/unison.install.in
RENAME += debian/unison-gtk.desktop.in

ifeq ($(DEB_SOURCE_PACKAGE),unison)
OTHER_UNISON_PACKAGE=unison$(VERSION)
OTHER_UNISON_GTK_PACKAGE=unison$(VERSION)-gtk
else
OTHER_UNISON_PACKAGE=unison (<< $(VERSION)-999)
OTHER_UNISON_GTK_PACKAGE=unison-gtk (<< $(VERSION)-999)
endif
DEB_DH_GENCONTROL_ARGS += -- "-VF:OtherUnisonGtk=$(OTHER_UNISON_GTK_PACKAGE)" "-VF:OtherUnison=$(OTHER_UNISON_PACKAGE)"


MY_MAKE_FLAGS += $(shell if test -x /usr/bin/ocamlopt.opt; then echo "OCAMLOPT=ocamlopt.opt"; fi )

ifeq ($(OCAML_HAVE_OCAMLOPT),yes)
  NATIVE := true
else
  NATIVE := false
  DEB_STRIP_EXCLUDE := $(UNISON) $(UNISON_GTK)
endif

UISTYLE := $(shell dpkg --compare-versions 2.10 ge $(VERSION) && echo gtk || echo gtk2)

DEB_INSTALL_DOCS_ALL := BUGS.txt TODO.txt unison-manual.txt -X unison.doc-base.in

DEB_INSTALL_CHANGELOGS_ALL := NEWS

#
# Build unison
#

configure::
	cp config/Makefile.unix config/Makefile

build/$(UNISON_PACKAGE)::
	$(MAKE) UISTYLE=text NATIVE=$(NATIVE) $(MY_MAKE_FLAGS) CFLAGS=
	mv '$(CURDIR)/unison' '$(CURDIR)/$(UNISON)'

build/$(UNISON_GTK_PACKAGE):: debian/$(UNISON_GTK_PACKAGE).xpm
	$(MAKE) UISTYLE=$(UISTYLE) NATIVE=$(NATIVE) $(MY_MAKE_FLAGS) CFLAGS=
	mv '$(CURDIR)/unison' '$(CURDIR)/$(UNISON_GTK)'
	if test 'x$(OCAML_HAVE_OCAMLOPT)' = 'xyes'; then /usr/bin/chrpath -d '$(CURDIR)/$(UNISON_GTK)'; fi

clean::
	-$(RM) '$(CURDIR)/$(UNISON_GTK)'
	-$(RM) '$(CURDIR)/$(UNISON)'
	$(MAKE) clean
	rm lwt/depend ubase/depend

debian/unison-manual.txt: build/$(UNISON_PACKAGE)
	env HOME='$(CURDIR)' '$(CURDIR)/$(UNISON)' -doc all > '$(CURDIR)/unison-manual.txt'

debian/unison.1.in: build/$(UNISON_PACKAGE)
	cp debian/unison-intro.1.in debian/unison.1.in
	env HOME='$(CURDIR)' ocaml debian/generate-manpage.ml '$(CURDIR)/$(UNISON)' >> debian/unison.1.in
	cat debian/unison-outro.1.in >> debian/unison.1.in

clean::
	-$(RM) unison-manual.txt
	-$(RM) debian/unison.1.in

common-binary-arch:: debian/unison-manual.txt debian/unison.1.in

#
# Unison icons
#

debian/$(UNISON_GTK_PACKAGE).png: debian/unison-gtk.svg.in
	 rsvg-convert -f png -w 32 -h 32 -o $@ $^

debian/$(UNISON_GTK_PACKAGE).xpm: debian/$(UNISON_GTK_PACKAGE).png
	convert $^ $@

clean::
	-$(RM) '$(CURDIR)/debian/$(UNISON_GTK_PACKAGE).png'
	-$(RM) '$(CURDIR)/debian/$(UNISON_GTK_PACKAGE).xpm'

#
# Generate debhelper files using templates
#

SED_REPLACE += -e "s/@VERSION@/$(VERSION)/g"
SED_REPLACE += -e "s/@PACKAGE_VERSION@/$(PACKAGE_VERSION)/g"

SED_REPLACE += -e "s/@PRIORITY@/$(PRIORITY)/g"
SED_REPLACE += -e "s/@UNISON@/$(UNISON)/g"
SED_REPLACE += -e "s/@UNISON_PACKAGE@/$(UNISON_PACKAGE)/g"
SED_REPLACE += -e "s/@UNISON_ALTERNATIVE@/$(UNISON_ALTERNATIVE)/g"
SED_REPLACE += -e "s/@UNISON_VERSIONNO@/$(UNISON_VERSIONNO)/g"
SED_REPLACE += -e "s/@UNISON_VAR@/$(UNISON_VAR)/g"
SED_REPLACE += -e "s/@UNISON_MAJ@/$(UNISON_MAJ)/g"

SED_REPLACE += -e "s/@PRIORITY_GTK@/$(PRIORITY_GTK)/g"
SED_REPLACE += -e "s/@UNISON_GTK@/$(UNISON_GTK)/g"
SED_REPLACE += -e "s/@UNISON_GTK_PACKAGE@/$(UNISON_GTK_PACKAGE)/g"
SED_REPLACE += -e "s/@UNISON_GTK_ALTERNATIVE@/$(UNISON_GTK_ALTERNATIVE)/g"
SED_REPLACE += -e "s/@UNISON_GTK_VERSIONNO@/$(UNISON_GTK_VERSIONNO)/g"
SED_REPLACE += -e "s/@UNISON_GTK_VAR@/$(UNISON_GTK_VAR)/g"

SED_REPLACE += -e "s/@PRIORITY_SELF@/$(PRIORITY_SELF)/g"
SED_REPLACE += -e "s/@UNISON_SELF@/$(UNISON_SELF)/g"
SED_REPLACE += -e "s/@UNISON_SELF_PACKAGE@/$(UNISON_SELF_PACKAGE)/g"
SED_REPLACE += -e "s/@UNISON_SELF_ALTERNATIVE@/$(UNISON_SELF_ALTERNATIVE)/g"
SED_REPLACE += -e "s/@UNISON_SELF_VERSIONNO@/$(UNISON_SELF_VERSIONNO)/g"
SED_REPLACE += -e "s/@UNISON_SELF_VAR@/$(UNISON_SELF_VAR)/g"
SED_REPLACE += -e "s/@IS_GTK@/$(IS_GTK)/g"

%-template-stamp: $(wildcard debian/templates/*)
	for i in $^ ; do   \
	   sed $(SED_REPLACE) $$i > debian/$(UNISON_SELF_PACKAGE).$$(basename $$i); \
	done;
	touch $@

clean::
	for i in $(wildcard debian/templates/*); do \
	   $(RM) -f debian/$(UNISON_GTK_PACKAGE).$$(basename $$i); \
	   $(RM) -f debian/$(UNISON_PACKAGE).$$(basename $$i); \
	done
	-$(RM) unison-gtk-template-stamp unison-template-stamp

unison-gtk-template-stamp: PRIORITY_SELF = $(PRIORITY_GTK)
unison-gtk-template-stamp: UNISON_SELF = $(UNISON_GTK)
unison-gtk-template-stamp: UNISON_SELF_PACKAGE = $(UNISON_GTK_PACKAGE)
unison-gtk-template-stamp: UNISON_SELF_ALTERNATIVE = $(UNISON_GTK_ALTERNATIVE)
unison-gtk-template-stamp: UNISON_SELF_VERSIONNO = $(UNISON_GTK_VERSIONNO)
unison-gtk-template-stamp: UNISON_SELF_VAR = $(UNISON_GTK_VAR)
unison-gtk-template-stamp: IS_GTK=true

unison-template-stamp: PRIORITY_SELF = $(PRIORITY)
unison-template-stamp: UNISON_SELF = $(UNISON)
unison-template-stamp: UNISON_SELF_PACKAGE = $(UNISON_PACKAGE)
unison-template-stamp: UNISON_SELF_ALTERNATIVE = $(UNISON_ALTERNATIVE)
unison-template-stamp: UNISON_SELF_VERSIONNO = $(UNISON_VERSIONNO)
unison-template-stamp: UNISON_SELF_VAR = $(UNISON_VAR)
unison-template-stamp: IS_GTK=false

template: unison-template-stamp unison-gtk-template-stamp

.PHONY: template

common-binary-indep:: template
common-binary-arch:: template

#
# Rename and substitute files
#

unison-rename: unison-rename-stamp
unison-rename-stamp: $(RENAME)
	# Rename all the debhelper files needed and substitue the @XXX@
	# string
	for i in $^ ; do \
	  DST=`echo $$i | sed -e "s/unison/${UNISON_PACKAGE}/" -e "s/\\.in\\$$//"`; \
	  sed $(SED_REPLACE) $$i > "$(CURDIR)/$$DST"; \
	done
	
	# We always need to rename the manual
	cp '$(CURDIR)/debian/$(UNISON_PACKAGE).1' '$(CURDIR)/debian/$(UNISON).1'
	# We copy unison.1 to unison-gtk.1
	cp '$(CURDIR)/debian/$(UNISON).1' '$(CURDIR)/debian/$(UNISON_GTK).1'
	
	touch $@

clean::
	# Remove the renamed files
	-for i in $(RENAME); do \
	  DST=`echo $$i | sed -e "s/unison/${UNISON_PACKAGE}/" -e "s/\\.in\\$$//"`; \
	  $(RM) "$(CURDIR)/$$DST"; \
	done
	-$(RM) '$(CURDIR)/debian/$(UNISON).1'
	-$(RM) '$(CURDIR)/debian/$(UNISON_GTK).1'
	-$(RM) '$(CURDIR)/unison-rename-stamp'

.PHONY: unison-rename

common-binary-indep:: unison-rename template
common-binary-arch:: unison-rename template