Larch 7

1 files changed, 154 insertions, 0 deletions

diff --git a/build_tools/l7/larch0/cli/live_iso.py b/build_tools/l7/larch0/cli/live_iso.py
new file mode 100755
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+++ b/build_tools/l7/larch0/cli/live_iso.py
@@ -0,0 +1,154 @@
+#!/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)