# Makefile for virt-p2v
#
# Copyright (C) 2007 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
#
# $Id$

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

PACKAGE  := virt-p2v
VERSION  := 0.9.1

# i386 images also work on x86-64, so best to stick with i386.
ARCH     := i386

# Base repository.
BASE	 := 8
BASEURL	 := http://download.fedora.redhat.com/pub/fedora/linux/releases/$(BASE)/Everything/$(ARCH)/os/

LANG	 := en_US.UTF-8
KEYBOARD := us
TIMEZONE := US/Eastern

# Select a suitable HTTP proxy.
# The default assumes a local squid proxy.
export http_proxy := http://127.0.0.1:3128/
export ftp_proxy := http://127.0.0.1:3128/

LABEL	 := $(PACKAGE)-$(VERSION)

ISO	 := $(LABEL).iso

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

all:
	@echo "make build     Build the live CD ISO"
	@echo "make boot [HDA=hda.img] [HDB=hdb.img] [ISO=livecd.iso]"
	@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 man       Make man pages (needs POD)"

# Build live CD.

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

livecd.ks: livecd.ks.in livecd-post.sh Makefile
	rm -f $@
	sed \
	  -e 's|@ARCH@|$(ARCH)|g' \
	  -e 's|@BASE@|$(BASE)|g' \
	  -e 's|@BASEURL@|$(BASEURL)|g' \
	  -e 's|@LANG@|$(LANG)|g' \
	  -e 's|@KEYBOARD@|$(KEYBOARD)|g' \
	  -e 's|@TIMEZONE@|$(TIMEZONE)|g' \
	  < $< | cat - livecd-post.sh > $@

livecd-post.sh: livecd-post.sh.in virt-p2v virt-p2v-update-wrapper iso-attach inittab lvm.conf Makefile
	rm -f $@
	sed \
	  -e '/@VIRT-P2V@/ r virt-p2v' \
	  -e '/@VIRT-P2V@/ d' \
	  -e '/@VIRT-P2V-UPDATE-WRAPPER@/ r virt-p2v-update-wrapper' \
	  -e '/@VIRT-P2V-UPDATE-WRAPPER@/ d' \
	  -e '/@ISO-ATTACH@/ r iso-attach' \
	  -e '/@ISO-ATTACH@/ d' \
	  -e '/@INITTAB@/ r inittab' \
	  -e '/@INITTAB@/ d' \
	  -e '/@LVM.CONF@/ r lvm.conf' \
	  -e '/@LVM.CONF@/ d' \
	  < $< > $@

# Run live CD under qemu.

QEMU	:= 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

boot:
	$(QEMU) $(QEMU_ARGS)

# Update an existing ISO.

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

# 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 the script compiles.

checkscript:
	./virt-p2v --test

# Clean.

clean:
	rm -f *~ core livecd.ks livecd-post.sh

# Manifest.

dist:
	$(MAKE) check-manifest
	rm -rf $(PACKAGE)-$(VERSION)
	mkdir $(PACKAGE)-$(VERSION)
	tar -cf - -T MANIFEST | tar -C $(PACKAGE)-$(VERSION) -xf -
	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.

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 $< > $@

# Website.

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

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

.PHONY:	build boot checkroot