# Makefile for virt-p2v
# @configure_input@
#
# Copyright (C) 2007-2008 Red Hat Inc.
# Written by Richard W.M. Jones <rjones@redhat.com>
#
# 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#----------------------------------------------------------------------
# General configuration

PACKAGE		:= @PACKAGE_NAME@
VERSION		:= @PACKAGE_VERSION@

INSTALL		:= @INSTALL@

HAVE_PERLDOC	:= @HAVE_PERLDOC@
HAVE_QEMU	:= @HAVE_QEMU@
HAVE_QEMU_KVM	:= @HAVE_QEMU_KVM@
HAVE_LIVECD_CREATOR := @HAVE_LIVECD_CREATOR@
HAVE_LIVECD_ISO_TO_PXEBOOT := @HAVE_LIVECD_ISO_TO_PXEBOOT@

LABEL		:= $(PACKAGE)-$(VERSION)
ISO		:= $(LABEL).iso
PXE_TAR		:= $(PACKAGE)-$(VERSION)-pxeboot.tar
VIRTP2V_RPM     := $(PACKAGE)-$(VERSION)-1.noarch.rpm

#----------------------------------------------------------------------

all:
	@echo "make rpm       Build the virt-p2v RPM"
	@echo "make build     Build the live CD ISO"
	@echo "make boot [HDA=hda.img] [HDB=hdb.img] [ISO=livecd.iso] [SERIAL=yes]"
	@echo "                 Boot built/named ISO (uses qemu)"
	@echo "make update    Update an existing live CD ISO with new"
	@echo "                 virt-p2v script, without doing full rebuild"
	@echo "make pxe       Build a PXE image (in tftpboot/ subdirectory)"
	@echo "make man       Make man pages (needs POD)"

# Build live CD.

ifeq ($(HAVE_LIVECD_CREATOR),livecd-creator)

build:	checkroot checkrpm checkscript
	rm -f $(ISO)
	livecd-creator --config=p2v.ks --fslabel=$(LABEL)
	ls -lhtr *.iso

endif

# Build RPM of virt-p2v.

rpm:	checknotroot p2vrepo/$(VIRTP2V_RPM)

RPM_FLAGS := --define "_topdir       %(pwd)/rpmbuild" \
	     --define "_builddir     %{_topdir}/BUILD" \
	     --define "_rpmdir       %{_topdir}/RPMS" \
	     --define "_srcrpmdir    %{_topdir}/SRPMS" \
	     --define "_specdir      %{_topdir}/SPECS" \
	     --define "_sourcedir    %(pwd)"

p2vrepo/$(VIRTP2V_RPM): \
		virt-p2v.spec \
		virt-p2v virt-p2v-update-wrapper iso-attach \
		inittab tty1
	$(MAKE) dist
	rm -rf rpmbuild
	mkdir rpmbuild rpmbuild/{RPMS,BUILD,SRPMS,SPECS} rpmbuild/RPMS/noarch
	rpmbuild $(RPM_FLAGS) -ba $<
	mkdir -p p2vrepo
	cp rpmbuild/RPMS/noarch/$(VIRTP2V_RPM) p2vrepo
	createrepo p2vrepo

# Run live CD under qemu.

ifeq ($(HAVE_QEMU_KVM),qemu-kvm)
QEMU	:= qemu-kvm
else
ifeq ($(HAVE_QEMU),qemu)
QEMU	:= qemu
endif
endif

ifneq ($(QEMU),)
HDA	:=
HDB	:=

QEMU_ARGS := -m 512 -cdrom $(ISO) -boot d
ifneq ($(HDA),)
QEMU_ARGS += -hda $(HDA)
endif
ifneq ($(HDB),)
QEMU_ARGS += -hdb $(HDB)
endif
SERIAL    = none
QEMU_ARGS += -serial $(SERIAL)

boot:
	$(QEMU) $(QEMU_ARGS)
endif

# Update an existing ISO.

update: checkroot checkscript
	-./iso-attach delete $(ISO) 2>/dev/null
	./iso-attach add $(ISO) virt-p2v

# PXE boot.

ifeq ($(HAVE_LIVECD_ISO_TO_PXEBOOT),livecd-iso-to-pxeboot)

pxe: checkroot checkscript
	livecd-iso-to-pxeboot $(ISO)

endif

# Check that we are root.

checkroot:
	@if [ `id -u` -ne 0 ]; then \
	  echo "You must be root to perform this operation."; \
	  exit 1; \
	fi

# Check that we are not root.

checknotroot:
	@if [ `id -u` -eq 0 ]; then \
	  echo "You must not perform this step as root."; \
	  exit 1; \
	fi

# Check that the script compiles.

checkscript:
	test -x virt-p2v
	./virt-p2v --test

# Check that the RPM has been built.

checkrpm:
	test -f p2vrepo/$(VIRTP2V_RPM)

# Clean.

clean:
	rm -f core *~ pod2htm*

distclean: clean
	rm -rf autom4te.cache config.log config.status configure \
	  p2v.ks Makefile po/Makefile virt-p2v.spec

reallyreallyclean: distclean
	rm -f virt-p2v-*.tar.gz virt-p2v-*.iso

# Manifest.

dist:
	$(MAKE) check-manifest
	rm -rf $(PACKAGE)-$(VERSION)
	mkdir $(PACKAGE)-$(VERSION)
	tar -cf - -T MANIFEST | tar -C $(PACKAGE)-$(VERSION) -xf -
	$(INSTALL) -m 0755 configure $(PACKAGE)-$(VERSION)/
	tar zcf $(PACKAGE)-$(VERSION).tar.gz $(PACKAGE)-$(VERSION)
	rm -rf $(PACKAGE)-$(VERSION)
	ls -l $(PACKAGE)-$(VERSION).tar.gz

check-manifest:
	@hg manifest | sort > .check-manifest; \
	sort MANIFEST > .orig-manifest; \
	diff -u .orig-manifest .check-manifest; rv=$$?; \
	rm -f .orig-manifest .check-manifest; \
	exit $$rv

# Manual page.

ifeq ($(HAVE_PERLDOC),perldoc)

MAN_SECTION := Virtualization Support

man: virt-p2v.1 virt-p2v.1.txt virt-p2v.1.html

virt-p2v.1: virt-p2v.pod
	pod2man -c "$(MAN_SECTION)" --release "$(PACKAGE)-$(VERSION)" $< > $@

virt-p2v.1.txt: virt-p2v.pod
	pod2text $< > $@

virt-p2v.1.html: virt-p2v.pod
	pod2html -css virt-p2v.1.css $< > $@

endif

# Website.

WEBSITE_DIR := ../redhat/et-website/virt-p2v

website: man dist
	cp virt-p2v.1.html $(WEBSITE_DIR)
	cp virt-p2v.1.css $(WEBSITE_DIR)
	cp $(PACKAGE)-$(VERSION).tar.gz $(WEBSITE_DIR)

# Upload everything.

upload: upload_iso upload_pxe

# Upload ISO.

upload_iso:
	scp -l 300 $(ISO) et.redhat.com:public_html/tmp/

# Upload PXE image.

upload_pxe:
	tar cf $(PXE_TAR) tftpboot
	scp -l 300 $(PXE_TAR) et.redhat.com:public_html/tmp/
#	rm $(PXE_TAR)

.PHONY:	build boot checkroot