#!/usr/bin/make -f
# debian/rules file - for cp210x-module-dkms
# Based on sample debian/rules file - for GNU Hello (1.3).
# Copyright 1994,1995 by Ian Jackson.
# Copyright 1998-2007 James Troup
# I hereby give you perpetual unlimited permission to copy,
# modify and relicense this file, provided that you do not remove
# my name from the file itself.  (I assert my moral right of
# paternity under the Copyright, Designs and Patents Act 1988.)
# This file may have to be extensively modified

package = $(shell dpkg-parsechangelog --show-field Source)
version = $(shell dpkg-parsechangelog --show-field Version)
module = $(shell echo "$(package)" | sed -e 's|-module-dkms||g')
distribution = $(shell dpkg-parsechangelog --show-field Distribution)
repoid = $(git describe --tags --always --long --dirty)
inst_dir = debian/tmp/usr/src/$(package)-$(version)

install_dir    = install -d -m 755
install_file   = install -m 644
install_script = install -m 755
install_binary = install -m 755 -s


configure: configure-stamp
configure-stamp:
	@find . -name "*.in" | while read file; do \
		t=$$(dirname $$file)/$$(basename $$file .in); \
		echo "Preprocessing $$t ..."; \
		cp -a $$file $$t; \
		perl -i -pe 's/xxPACKAGExx/$(package)/g' $$t; \
		perl -i -pe 's/xxDEBVERxx/$(version)/g' $$t; \
		perl -i -pe 's/xxMODULExx/$(module)/g' $$t; \
		perl -i -pe 's/xxREPOIDxx/$(repoid)/g' $$t; \
	done
	touch $@


build: build-stamp
build-stamp: configure-stamp
	$(checkdir)
	touch $@


install: install-stamp
install-stamp: checkroot build-stamp
	$(checkdir)
	: # install dkms configuration
	rm -rf debian/tmp
	$(install_dir) $(inst_dir)
	$(install_file) dkms.conf Makefile.dkms $(inst_dir)/
	: # install source files (configure must be executable)
	cp -a src/* $(inst_dir)/
	rm -rf $(inst_dir)/Docs
	rm -rf $(inst_dir)/examples
	rm -rf $(inst_dir)/rpm
	: # Include file to shared path
	$(install_dir) debian/tmp/usr/include
	cp -a $(inst_dir)/cp210x.h debian/tmp/usr/include/
	: # install module configuration (blacklist)
	$(install_dir) debian/tmp/etc/modprobe.d
	echo "blacklist cp2101" > debian/tmp/etc/modprobe.d/$(package).conf
	touch $@


binary-indep: checkroot build install
	: # Nothing to do


binary-arch: checkroot build install
	$(checkdir)
	: # install maintainer scripts
	$(install_dir) debian/tmp/DEBIAN
	$(install_script) debian/postinst debian/tmp/DEBIAN/postinst
	$(install_script) debian/prerm debian/tmp/DEBIAN/prerm
	$(install_script) debian/postrm debian/tmp/DEBIAN/postrm
	: # install docs
	$(install_dir) debian/tmp/usr/share/doc/$(package)/
	$(install_file)	debian/changelog \
		debian/tmp/usr/share/doc/$(package)/changelog.Debian
	$(install_file)	debian/copyright debian/tmp/usr/share/doc/$(package)/
	: # Compress stuff that needs it
	find debian/tmp/usr/share/doc/$(package)/ -type f ! -name copyright | \
		xargs gzip -9
	: # install examples (after compression)
	$(install_dir) debian/tmp/usr/share/doc/$(package)/examples
	for i in src/examples/*; do \
		$(install_file) $$i debian/tmp/usr/share/doc/$(package)/examples/; \
	done
	: # Finish it all up
	dpkg-gencontrol -isp $(CONFLICTS)
	chown -R root:root debian/tmp
	chmod -R go=rX  debian/tmp
	dpkg --build debian/tmp ..


binary: binary-indep binary-arch


clean:
	$(checkdir)
	-rm -rf debian/tmp
	-rm -fr debian/patched debian/files* debian/substvars
	: # Clean all but debian/control, since git-buildpackage cleans after
	: # prebuild just before building
	find . -name "*.in" | while read file; do \
		t=$$(dirname $$file)/$$(basename $$file .in); \
		[ "$$t" != "./debian/control" ] && rm -f $$t; \
	done
	-rm -f *-stamp


define checkdir
        test -f debian/rules
endef


checkroot:
	$(checkdir)
	test root = "`whoami`"


.PHONY: binary clean checkroot