Larch 7

1 files changed, 154 insertions, 0 deletions

diff --git a/build_tools/l7/larch0/cli/boot_iso.py b/build_tools/l7/larch0/cli/boot_iso.py
new file mode 100755
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+++ b/build_tools/l7/larch0/cli/boot_iso.py
@@ -0,0 +1,154 @@
+#!/usr/bin/env python
+#
+# live_part.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 a boot 'iso' for a USB larch
+device, to make this bootable via CD on systems which cannot boot from USB
+devices.
+Parameters are passed as options and arguments.
+"""
+
+import os
+from config import *
+from backend import *
+from media_common import *
+
+def build_bootiso(options, devicename):
+    """Create a boot iso for the specified medium.
+    'devicename' is the name (e.g. 'sdb1', without '/dev/') of the
+    source partition.
+    """
+    # Check device
+    device = '/dev/' + devicename
+    if not os.path.exists(device):
+        errout(_("Invalid device: %s") % device)
+    options.source = device
+    medium = Medium(options)
+    ipath = medium.chrootpath
+    build = medium.build
+
+    # Need to get the label
+    label = medium.get_device_label(device)
+
+    # Write bootloader configuration file
+    bootconfig(build, options.syslinux, label, device, options.detection)
+
+    # 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'
+
+    # Need to adjust paths to cater for chroot!
+    source0 = medium.chroot_medium_dir()
+    isopath0 = medium.iso_path()
+
+    # 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"'
+            ' "%s"') % (parms, label, isopath0, BUILD0),
+            filter=mkisofs_filter_gen()):
+
+        errout(_("iso build failed"))
+
+    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] partition"
+            " (e.g. sdb1)"))
+
+    parser.add_option("-o", "--isofile", action="store", type="string",
+            default=BOOTISO, dest="isofile",
+            help=_("Specify the output file (default '%s'). It will be"
+                " generated to the current directory.") % BOOTISO)
+    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("-d", "--detect", action="store", type="string",
+            default="label", dest="detection",
+            help=(_("Method for boot partition detection: %s (default: label)")
+                    % detection_methods))
+    parser.add_option("-b", "--syslinux", action="store_true", dest="syslinux",
+            default=False, help=_("Use the syslinux bootloader"
+                    " (the default is GRUB)"))
+
+    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("-l", "--label", action="store", type="string",
+            default=ISOLABEL, dest="label",
+            help=_("Volume label for boot iso (default %s)")
+                    % ISOLABEL)
+    parser.add_option("-C", "--chroot", action="store_true",
+            dest="chroot", default=False,
+            help=_("Use chroot for build"))
+
+
+    (options, args) = parser.parse_args()
+    if not args:
+        print _("You must specify the source partition\n")
+        parser.print_help()
+        sys.exit(1)
+
+    if os.getuid() != 0:
+        print _("This application must be run as root")
+        sys.exit(1)
+
+    init('live_part', options)
+
+    # To avoid error messages
+    options.profile = None
+    options.nochroot = None
+    options.testmedium = False
+
+    build_bootiso(options, devicename=args[0])