Initial commit
This commit is contained in:
Rudra Saraswat
commit
5f62b2f59a
2 changed files with 277 additions and 0 deletions
250
akshara
Executable file
250
akshara
Executable file
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#!/usr/bin/env python3
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# Copyright (C) 2023 Rudra Saraswat
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#
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# This file is part of blend.
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#
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# blend is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# blend is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with blend. If not, see <http://www.gnu.org/licenses/>.
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import os
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import sys
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import time
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import yaml
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import argparse
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import platform
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import subprocess
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__version = '1.0.0'
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with open('/etc/blend_release') as blend_release_file:
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blend_release = yaml.load(
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blend_release_file, Loader=yaml.FullLoader)
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server_url = blend_release['server']
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# Colors
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class colors:
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reset = '\033[0m'
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bold = '\033[01m'
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disable = '\033[02m'
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underline = '\033[04m'
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reverse = '\033[07m'
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strikethrough = '\033[09m'
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invisible = '\033[08m'
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class fg:
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black = '\033[30m'
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red = '\033[31m'
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green = '\033[32m'
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orange = '\033[33m'
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blue = '\033[34m'
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purple = '\033[35m'
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cyan = '\033[36m'
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lightgrey = '\033[37m'
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darkgrey = '\033[90m'
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lightred = '\033[91m'
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lightgreen = '\033[92m'
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yellow = '\033[93m'
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lightblue = '\033[94m'
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pink = '\033[95m'
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lightcyan = '\033[96m'
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class bg:
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black = '\033[40m'
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red = '\033[41m'
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green = '\033[42m'
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orange = '\033[43m'
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blue = '\033[44m'
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purple = '\033[45m'
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cyan = '\033[46m'
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lightgrey = '\033[47m'
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# END
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def exec(*cmd, **kwargs):
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return subprocess.call(cmd, shell=False, stdout=sys.stdout,
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stderr=sys.stderr, **kwargs)
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def exec_chroot(*cmd, **kwargs):
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return exec('systemd-nspawn', '-D', '/mnt/iso-update/squashfs-root', '--', *cmd, **kwargs)
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def info(msg):
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print(colors.bold + colors.fg.cyan + '>> i: ' +
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colors.reset + colors.bold + msg + colors.reset)
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def error(err):
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print(colors.bold + colors.fg.red + '>> e: ' +
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colors.reset + colors.bold + err + colors.reset)
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def get_server_timestamp():
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with open('/etc/blend_release') as blend_release_file:
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track = yaml.load(blend_release_file, Loader=yaml.FullLoader)['track']
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server_version_output = subprocess.run(
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['curl', '--silent', '--show-error', f'{server_url}/track/{track}/current'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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if server_version_output.stderr.decode().strip() != '':
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return 0
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elif server_version_output.stdout.decode().strip() != '' and server_version_output.stdout.decode().strip().isnumeric():
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return int(server_version_output.stdout.decode().strip())
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else:
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return 0
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def update_system():
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os.chdir('/mnt')
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exec('rm', '-rf', '/mnt/iso-update/iso')
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exec('rm', '-rf', '/mnt/iso-update/squashfs-root')
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exec('mkdir', '-p', '/mnt/iso-update')
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# Check if update is available
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if os.path.isfile('/etc/blend_release'):
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with open('/etc/blend_release') as blend_release_file:
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blend_release = yaml.load(
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blend_release_file, Loader=yaml.FullLoader)
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current_timestamp = blend_release['current']
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track = blend_release['track']
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if get_server_timestamp() > current_timestamp:
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# Update is available, let's download the latest ISO
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exec('mkdir', '-p', '/mnt/iso-update')
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if not os.path.isfile('/mnt/iso-update/update.iso'):
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exec('wget', '-O', '/mnt/iso-update/update.iso',
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f'{server_url}/track/{track}/download')
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exec('rm', '-f', '/mnt/iso-update/update.iso.sha512sum')
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exec('wget', '-O', '/mnt/iso-update/update.iso.sha512sum',
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f'{server_url}/track/{track}/update-sha512sum')
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if exec('bash', '-c', 'cd /mnt/iso-update; sha512sum --check --status /mnt/iso-update/update.iso.sha512sum') != 0:
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exec('rm', '-f', '/mnt/iso-update/update.iso.sha512sum',
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'/mnt/iso-update/update.iso.sha512sum')
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exec('wget', '-O', '/mnt/iso-update/update.iso',
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f'{server_url}/track/{track}/download')
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exec('wget', '-O', '/mnt/iso-update/update.iso.sha512sum',
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f'{server_url}/track/{track}/update-sha512sum')
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if exec('sha512sum', '--check', '--status', 'update.iso.sha512sum', cwd='/mnt/iso-update') != 0:
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exec('rm', '-f', '/mnt/iso-update/.download_lock')
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return
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exec('rm', '-f', '/mnt/iso-update/.download_lock')
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# Since the ISO has been downloaded, proceed to extracing it
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# as well the rootfs it contains (single-core unsquashfs)
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exec('rm', '-rf', '/mnt/iso-update/iso',
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'/mnt/iso-update/squashfs-root')
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exec('7z', '-oiso', 'x', 'update.iso', cwd='/mnt/iso-update')
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if exec('unsquashfs', '-p', '1', f'iso/blend/{platform.machine()}/airootfs.sfs', cwd='/mnt/iso-update') != 0:
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return
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########################
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# Configure new rootfs #
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########################
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# Enable services
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exec_chroot('systemctl', 'enable', 'bluetooth')
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exec_chroot('systemctl', 'enable', 'cups')
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exec_chroot('systemctl', '--global', 'enable', 'blend-files')
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# Add akshara hook
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exec_chroot(
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'bash', '-c', 'echo \'MODULES=""\' > /etc/mkinitcpio.conf')
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exec_chroot(
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'bash', '-c', 'echo \'BINARIES=""\' >> /etc/mkinitcpio.conf')
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exec_chroot(
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'bash', '-c', 'echo \'FILES=""\' >> /etc/mkinitcpio.conf')
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exec_chroot(
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'bash', '-c', 'echo \'HOOKS="base udev akshara plymouth autodetect modconf block keyboard keymap consolefont filesystems fsck"\' >> /etc/mkinitcpio.conf')
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exec_chroot(
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'bash', '-c', 'echo \'COMPRESSION="zstd"\' >> /etc/mkinitcpio.conf')
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# Refresh package lists, pacman-key --init
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exec_chroot('pacman', '-Rn', '--noconfirm',
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'jade-gui', 'blend-inst-git')
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exec_chroot('pacman-key', '--init')
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exec_chroot('pacman-key', '--populate', 'archlinux', 'blend')
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# Disable auto-login for blend user
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exec_chroot(
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'bash', '-c', 'echo "[Theme]" > /etc/sddm.conf.d/default.conf')
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exec_chroot(
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'bash', '-c', 'echo "Current=breeze" >> /etc/sddm.conf.d/default.conf')
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exec_chroot('rm', '-f', '/etc/gdm/custom.conf')
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# Note to self: since the hook only copies new files in /etc, configuring
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# Note to self: locales and users isn't required
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# Mark as ready for update on boot
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exec('touch', '/mnt/iso-update/.ready-for-update')
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# Unmount directories if not already unmounted
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exec('umount', '-l', '/mnt/iso-update/squashfs-root/dev')
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exec('umount', '-l', '/mnt/iso-update/squashfs-root/proc')
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def update_daemon():
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while True:
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if not os.path.isfile('/mnt/iso-update/.ready-for-update'):
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update_system()
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time.sleep(3600)
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description = f'''
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{colors.bold}{colors.fg.cyan}usage:{colors.reset}
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{os.path.basename(sys.argv[0])} [command] [options] [arguments]
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{colors.bold}{colors.fg.cyan}version:{colors.reset} {__version}{colors.bold}
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This command is not meant to be used by regular users.
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{colors.bold}{colors.fg.cyan}available commands{colors.reset}:
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{colors.bold}help{colors.reset} Show this help message and exit.
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{colors.bold}version{colors.reset} Show version information and exit.
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{colors.bold}{colors.fg.cyan}options for commands{colors.reset}:
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{colors.bold}-v, --version{colors.reset} show version information and exit
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'''
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epilog = f'''
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{colors.bold}Made with {colors.fg.red}\u2764{colors.reset}{colors.bold} by Rudra Saraswat.{colors.reset}
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'''
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parser = argparse.ArgumentParser(description=description, usage=argparse.SUPPRESS,
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epilog=epilog, formatter_class=argparse.RawTextHelpFormatter)
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command_map = {'help': 'help',
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'version': 'version',
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'update-daemon': 'update_daemon'}
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parser.add_argument('command', choices=command_map.keys(),
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help=argparse.SUPPRESS)
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parser.add_argument('-v', '--version', action='version',
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version=f'%(prog)s {__version}', help=argparse.SUPPRESS)
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if len(sys.argv) == 1:
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parser.print_help()
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exit()
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if os.geteuid() != 0:
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error('requires root')
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exit(1)
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args = parser.parse_intermixed_args()
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command = command_map[args.command]
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if command == 'help':
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parser.print_help()
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elif command == 'version':
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parser.parse_args(['--version'])
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else:
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globals()[command]()
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27
akshara.hook
Executable file
27
akshara.hook
Executable file
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@ -0,0 +1,27 @@
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#!/bin/bash
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run_latehook() {
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echo
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# Detect if update downloaded.
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if [[ -f /new_root/mnt/iso-update/.ready-for-update ]]; then
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# Available, rename old /usr and move new /usr to /.
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mv /new_root/usr /new_root/.old.usr
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mv /new_root/mnt/iso-update/squashfs-root/usr /new_root/usr
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rm -f /new_root/mnt/iso-update/.ready-for-update
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touch /new_root/mnt/iso-update/.etc-stage
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fi
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# Detect if /etc stage is active.
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if [[ -f /new_root/mnt/iso-update/.etc-stage ]]; then
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# Rename existing /etc.
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mv /new_root/etc /new_root/.old.etc &>/dev/null || :
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# Create new /etc.
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cp -a /new_root/.old.etc /new_root/etc
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# Only copy non-existent files.
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cp -a -n /new_root/mnt/iso-update/squashfs-root/etc/* /new_root/etc
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fi
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}
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