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#!/usr/bin/env python
#
# live_iso.py
#
# (c) Copyright 2009 - 2010 Michael Towers (larch42 at googlemail dot com)
#
# This file is part of the larch project.
#
# larch 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.
#
# larch 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 larch; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
#----------------------------------------------------------------------------
# 2010.07.12
# This is a command line script to prepare an 'iso' file from an
# already larchified Arch Linux installation. Alternatively, another
# larch medium can be used as source (with the '-S' option).
# All needed parameters are passed as options.
import os
from config import *
from backend import *
from media_common import *
def build_iso(options):
"""Create a bootable iso from the source larch image. If a chroot
build is used (default unless -S is specified) the resulting iso file
will be relative to the larch build area (CHROOT_DIR_BUILD) in the
chroot directory, otherwise as specified to the -o option.
"""
medium = Medium(options)
ipath = medium.chrootpath
build = medium.build
# Write bootloader configuration file
bootconfig(build, options.syslinux)
if not os.path.isfile(medium.medium_dir + '/larch/larchboot'):
add_larchboot(build)
# Need to adjust paths to cater for chroot!
source0 = medium.chroot_medium_dir()
isopath0 = medium.iso_path()
# Select bootloader
if options.syslinux:
# Get fresh isolinux.bin
runcmd('cp %s/boot/isolinux/isolinux.bin0 %s/boot/isolinux/isolinux.bin'
% (build, build))
parms = '-b boot/isolinux/isolinux.bin -c boot/isolinux/isolinux.boot'
# Select bootloader
else:
parms = '-b boot/grub/stage2_eltorito'
# Actually the volume label can be 32 bytes, but 16 is compatible
# with ext2 (though a little longer than vfat)
label = check_label(options.label, 16)
# Build iso
if not chroot(ipath, ('mkisofs -R -l %s -no-emul-boot -boot-load-size 4'
' -boot-info-table -input-charset=UTF-8'
' -V "%s"'
' -o "%s"'
' -x "%s/boot"'
' -x "%s/larch/save"'
' "%s" "%s"') % (parms, label, isopath0,
source0, source0, source0, BUILD0),
filter=mkisofs_filter_gen()):
errout(_("iso build failed"))
# Process iso so that it can be 'dd'ed to a USB-stick
if options.syslinux and not chroot(ipath, ('isohybrid %s' % isopath0)):
errout(_("Couldn't perform 'isohybrid' operation on larch 'iso'"
" (Not Critical!)"), 0)
medium.unmount()
runcmd('rm -rf %s' % build)
comment(" *** %s ***" % (_("%s was successfully created")
% (options.isofile)))
if __name__ == "__main__":
start_translator()
from optparse import OptionParser, OptionGroup
parser = OptionParser(usage=_("usage: %prog [options]"))
parser.add_option("-p", "--profile", action="store", type="string",
default="", dest="profile",
help=_("Profile: 'user:profile-name' or path to profile directory"
" (conflicts with -S)"))
parser.add_option("-S", "--source", action="store", type="string",
default="", dest="source",
help=_("Source: path to larch medium image (conflicts with -p)."
" It can also be a device ('/dev/...') or an 'iso' file."))
parser.add_option("-i", "--installation-dir", action="store", type="string",
default="", dest="idir",
help=_("Path to larchified directory (default %s)") % INSTALLATION)
parser.add_option("-s", "--slave", action="store_true", dest="slave",
default=False, help=_("Run as a slave from a controlling program"
" (e.g. from a gui)"))
parser.add_option("-q", "--quiet", action="store_true", dest="quiet",
default=False, help=_("Suppress output messages, except errors"
" (no effect if -s specified)"))
parser.add_option("-f", "--force", action="store_true", dest="force",
default=False, help=_("Don't ask for confirmation"))
parser.add_option("-b", "--isolinux", action="store_true", dest="syslinux",
default=False, help=_("Use the isolinux bootloader"
" (the default is GRUB)"))
parser.add_option("-l", "--label", action="store", type="string",
default=LABEL, dest="label",
help=_("Volume label for iso (default '%s')") % LABEL)
parser.add_option("-o", "--isofile", action="store", type="string",
default=ISOFILE, dest="isofile",
help=_("Specify the output file (default '%s'). It will be"
" generated to the current directory.") % ISOFILE)
parser.add_option("-D", "--setdir", action="store", type="string",
dest='setdir', default='',
help=_("Set current directory,"
" so that the 'iso' can be placed there"))
parser.add_option("-C", "--chroot", action="store_true",
dest="chroot", default=False,
help=_("Use chroot for build (default when -S not specified)"))
parser.add_option("-c", "--nochroot", action="store_true",
dest="nochroot", default=False,
help=_("Don't use chroot for build (default when -S specified)"))
parser.add_option('-T', '--testmedium', action='store_true',
dest='testmedium', default=False,
help=_("Test source medium only (used by gui)"))
(options, args) = parser.parse_args()
if os.getuid() != 0:
print _("This application must be run as root")
sys.exit(1)
init('live_iso', options)
build_iso(options)
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