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Diffstat (limited to 'build_tools/l7/larch-archin.orig')
| -rwxr-xr-x | build_tools/l7/larch-archin.orig | 378 |
1 files changed, 0 insertions, 378 deletions
diff --git a/build_tools/l7/larch-archin.orig b/build_tools/l7/larch-archin.orig deleted file mode 100755 index 206e499..0000000 --- a/build_tools/l7/larch-archin.orig +++ /dev/null @@ -1,378 +0,0 @@ -#!/usr/bin/env python -# -# archin.py -# -# (c) Copyright 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 -# -#---------------------------------------------------------------------------- -# 2010.07.19 - -# This is a command line script to perform an Arch Linux installation -# based on a list of packages. All needed parameters are passed as options. - -import os -from glob import glob -from config import * -from backend import * - -class Installation: - def __init__(self, options): - self.options = options - self.installation_dir = get_installation_dir() - if self.installation_dir == '/': - errout(_("Operations on '/' are not supported ...")) - - self.profile_dir = get_profile() - self.pacman_cmd = self.make_pacman_command() - self.make_pacman_conf() - - - def make_pacman_command(self): - """Construct pacman command. Return the command, including options. - This includes options for installation path, cache directory and - for suppressing the progress bar. It assumes a temporary location - for pacman.conf, which must also be set up. - If there is no pacman executable in the system PATH, check that - it is available in the larch directory. - """ - pacman = runcmd('bash -c "which pacman || echo _FAIL_"')[1][-1].strip() - if pacman == '_FAIL_': - # If the host is not Arch, there will probably be no pacman - # (if there is some other program called 'pacman' that's - # a real spanner in the works). - # The alternative is to provide it in the larch directory. - pacman = base_dir + '/pacman' - if not os.path.isfile(pacman): - errout(_("No pacman executable found")) - - pacman += (' -r %s --config %s --noconfirm' - % (self.installation_dir, PACMAN_CONF)) - if self.options.noprogress: - pacman += ' --noprogressbar' - if self.options.cache: - pacman += ' --cachedir ' + self.options.cache - return pacman - - - def make_pacman_conf(self, final=False): - """Construct the pacman.conf file used by larch. - To make it a little easier to manage upstream changes to the default - pacman.conf, a separate file (pacman.conf.repos) is used to specify - the repositories to use. The contents of this file are used to modify - the basic pacman.conf file, which may be the default version or one - provided in the profile. - The 'final' parameter determines whether the version for the resulting - live system (True) or for the installation process (False) is - generated. If generating the installation version, it is possible - to specify alternative repositories, via the 'repofile' option, - which allows the pacman.conf used for the installation to be - different from the version in the resulting live system. - The return value is a list of the names of the repositories which - are included. - It is also possible to specify just a customized mirrorlist for the - installation by placing it in the working directory. - """ - # Allow use of '*platform*' in pacman.conf.repos - platform = os.uname()[4] - if platform != 'x86_64': - platform = 'i686' - - # Get pacman.conf header part - pc0 = self.profile_dir + '/pacman.conf.options' - if not os.path.isfile(pc0): - pc0 = base_dir + '/data/pacman.conf' - pacmanconf = self.pacmanoptions(readfile(pc0)) - - # Get file with repository entries - pc1 = self.profile_dir + '/pacman.conf.repos' - if not os.path.isfile(pc1): - pc1 = base_dir + '/data/pacman.conf.repos' - if self.options.repofile and not final: - pc1 = os.path.realpath(self.options.repofile) - - # Get repository path - if final: - default = 'Include = /etc/pacman.d/mirrorlist' - else: - mlist = cwd + '/mirrorlist' - if not os.path.isfile(mlist): - mlist = '/etc/pacman.d/mirrorlist' - if not os.path.isfile(mlist): - mlist = base_dir + '/data/mirrorlist' - default = 'Include = ' + mlist - - # Read repository entries - repos = [] - for line in readfile(pc1).splitlines(): - line = line.strip() - if (not line) or (line[0] == '#'): - continue - r, s = [t.strip() for t in line.split(':', 1)] - repos.append(r) - s = s.replace('*default*', default) - pacmanconf += ('\n[%s]\n%s\n' - % (r, s.replace('*platform*', platform))) - - - writefile(pacmanconf, self.installation_dir + '/etc/pacman.conf' - if final else PACMAN_CONF) - return repos - - - def install(self): - """Clear the chosen installation directory and install the base - set of packages, together with any additional ones listed in the - file 'addedpacks' (in the profile), removing the packages in - 'vetopacks' from the list. - """ - if not query_yn(_("Install Arch to '%s'?") % self.installation_dir): - return False - # Can't delete the whole directory because it might be a mount point - if os.path.isdir(self.installation_dir): - if script('cleardir %s' % self.installation_dir): - return False - - # Ensure installation directory exists and check that device nodes - # can be created (creating /dev/null is also a workaround for an - # Arch bug - which may have been fixed, but this does no harm) - if not (runcmd('bash -c "mkdir -p %s/{dev,proc,sys}"' - % self.installation_dir)[0] - and runcmd('mknod -m 666 %s/dev/null c 1 3' - % self.installation_dir)[0]): - errout(_("Couldn't write to the installation path (%s)") - % self.installation_dir) - if not runcmd('bash -c "echo test >%s/dev/null"' - % self.installation_dir)[0]: - errout(_("The installation path (%s) is mounted 'nodev'.") - % self.installation_dir) - - # I should also check that it is possible to run stuff in the - # installation directory. - runcmd('bash -c "cp $( which echo ) %s"' % self.installation_dir) - if not runcmd('%s/echo "yes"' % self.installation_dir)[0]: - errout(_("The installation path (%s) is mounted 'noexec'.") - % self.installation_dir) - runcmd('rm %s/echo' % self.installation_dir) - - # Fetch package database - runcmd('mkdir -p %s/var/lib/pacman' % self.installation_dir) - self.refresh() - - # Get list of vetoed packages. - self.packages = [] - self.veto_packages = [] - self.add_packsfile(self.profile_dir, 'vetopacks', must=False) - self.veto_packages = self.packages - - # Include 'required' packages (these can still be vetoed, but - # in some cases that will mean a larch system cannot be built) - self.packages = [] - self.add_packsfile(base_dir + '/data', 'requiredpacks') - - # Add additional packages and groups, from 'addedpacks' file. - self.add_packsfile(self.profile_dir, 'addedpacks') - - # Now do the actual installation. - ok = self.pacmancall('-S', ' '.join(self.packages)) - if not ok: - errout(_("Package installation failed")) - - # Some chroot scripts might need /etc/mtab - runcmd('bash -c ":> %s/etc/mtab"' % self.installation_dir) - - # Build the final version of pacman.conf - self.make_pacman_conf(True) - comment(" *** %s ***" % _("Arch installation completed")) - return True - - - def add_packsfile(self, dir, packs_file, must=True): - path = dir + '/' + packs_file - if must and not os.path.isfile(path): - errout(_("No '%s' file") % path) - fh = open(path) - for line in fh: - line = line.strip() - if line and (line[0] != '#'): - if line[0] == '*': - self.add_group(line[1:].split()[0]) - elif line[0] == '+': - # Include directive - line = line[1:].split()[0] - if line[0] != '/': - line = dir + '/' + line - d, pf = line.rsplit('/', 1) - if not d: - errout(_("Invalid package file include: %s")) - self.add_packsfile(d, pf) - elif line.startswith('!!!'): - # Ignore everything (!) entered previously. - # Allows requiredpacks to be overridden in addedpacks. - self.packages = [] - else: - line = line.split()[0] - if ((line not in self.packages) - and (line not in self.veto_packages)): - self.packages.append(line) - fh.close() - - - def add_group(self, gname): - """Add the packages belonging to a group to the installaion list, - removing any in the veto list. - """ - # In the next line the call could be done as a normal user. - for line in runcmd('%s -Sg %s' % (self.pacman_cmd, gname))[1]: - l = line.split() - if l and (l[0] == gname) and (l[1] not in self.veto_packages): - self.packages.append(l[1]) - - - def refresh(self): - """This updates or creates the pacman-db in the installation. - This is done using using 'pacman ... -Sy' together with the - customized pacman.conf file. - """ - if not runcmd(self.pacman_cmd + ' -Sy', - filter=pacman_filter_gen())[0]: - errout(_("Couldn't synchronize pacman database (pacman -Sy)")) - return True - - - def pacmancall(self, op, arg): - """Mount-bind the sys and proc directories before calling the - pacman command built by make_pacman_command to perform operation - 'op' (e.g. '-S') with argument(s) 'arg' (a string). - Then unmount sys and proc and return True if the command succeeded. - """ - # (a) Prepare the destination environment (bind mounts) - mount("/sys", "%s/sys" % self.installation_dir, "--bind") - mount("/proc", "%s/proc" % self.installation_dir, "--bind") - - # (b) Call pacman - ok = runcmd("%s %s %s" % (self.pacman_cmd, op, arg), - filter=pacman_filter_gen())[0] - - # (c) Remove bound mounts - unmount(("%s/sys" % self.installation_dir, - "%s/proc" % self.installation_dir)) - return ok - - - def pacmanoptions(self, text): - """A filter for pacman.conf to remove the repository info. - """ - texto = "" - block = "" - for line in text.splitlines(): - block += line + "\n" - if line.startswith("#["): - break - if line.startswith("[") and not line.startswith("[options]"): - break - if not line.strip(): - texto += block - block = "" - return texto - - - def sync(self, *packs): - return self.pacmancall('-S', ' '.join(packs)) - - - def update(self, *files): - return self.pacmancall('-U', ' '.join(files)) - - - def remove(self, *packs): - return self.pacmancall('-Rs', ' '.join(packs)) - - - -if __name__ == "__main__": - start_translator() - cwd = os.getcwd() - - operations = 'install|sync|update|remove|refresh' - from optparse import OptionParser, OptionGroup - parser = OptionParser(usage=(_("usage: %%prog [options] %s [packages]") - % operations)) - - parser.add_option("-p", "--profile", action="store", type="string", - default="", dest="profile", - help=_("Profile: 'user:profile-name' or path to profile directory")) - parser.add_option("-i", "--installation-dir", action="store", type="string", - default="", dest="idir", - help=_("Path to directory to be larchified (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("-r", "--repofile", action="store", type="string", - default="", dest="repofile", - help=_("Supply a substitute repository list (pacman.conf.repos)" - " for the installation only")) - parser.add_option("-c", "--cache-dir", action="store", type="string", - default="", dest="cache", - help=_("pacman cache directory (default /var/cache/pacman/pkg)")) - parser.add_option("-n", "--noprogress", action="store_true", - dest="noprogress", - default=False, help=_("Don't show pacman's progress bar")) -## I think pacman is going to get support for something like '$arch', at -## which stage I could again consider architecture switching support in larch. -# parser.add_option("-a", "--arch", action="store", type="string", -# default="", dest="arch", -# help=_("processor architecture (x86_64|i686) - defaults to" -# " that of the host." -# " This is an untested feature, which is probably only partially" -# " implemented and may well not work.")) - - (options, args) = parser.parse_args() - if not args: - print _("You must specify which operation to perform:\n") - parser.print_help() - sys.exit(1) - - if os.getuid() != 0: - print _("This application must be run as root") - sys.exit(1) - - init('archin', options) - op = args[0] - if op not in operations.split('|'): - print (_("Invalid operation: '%s'\n") % op) - parser.print_help() - sys.exit(1) - - installation = Installation(options) - method = getattr(installation, op) - - if method(*args[1:]): - sys.exit(0) - else: - sys.exit(1) - |