calamares/src/modules/grubcfg/main.py
Rohan Garg 44105895f8 Use 'which' to find plymouth instead of hard coding /usr/bin
Debian ships plymouth in  /bin instead of /usr/bin, so we should use
'which' to figure out if it's installed.
2015-03-25 20:39:03 +01:00

114 lines
4.0 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# === This file is part of Calamares - <http://github.com/calamares> ===
#
# Copyright 2014-2015, Philip Müller <philm@manjaro.org>
#
# Calamares 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 3 of the License, or
# (at your option) any later version.
#
# Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
import libcalamares
import os
def modify_grub_default(partitions, root_mount_point, distributor):
""" Configures '/etc/default/grub' for hibernation and plymouth.
:param partitions:
:param root_mount_point:
:param distributor:
:return:
"""
default_dir = os.path.join(root_mount_point, "etc/default")
default_grub = os.path.join(default_dir, "grub")
distributor_replace = distributor.replace("'", "'\\''")
plymouth_bin = libcalamares.utils.chroot_call("sh -c \"which plymouth\"")
use_splash = ""
swap_uuid = ""
if plymouth_bin == 0:
use_splash = "splash"
for partition in partitions:
if partition["fs"] == "linuxswap":
swap_uuid = partition["uuid"]
if swap_uuid != "":
kernel_cmd = "GRUB_CMDLINE_LINUX_DEFAULT=\"resume=UUID={!s} quiet {!s}\"".format(swap_uuid, use_splash)
else:
kernel_cmd = "GRUB_CMDLINE_LINUX_DEFAULT=\"quiet {!s}\"".format(use_splash)
distributor_line = "GRUB_DISTRIBUTOR=\"{!s}\"".format(distributor_replace)
if not os.path.exists(default_dir):
os.mkdir(default_dir)
have_kernel_cmd = False
have_distributor_line = False
if "overwrite" in libcalamares.job.configuration:
overwrite = libcalamares.job.configuration["overwrite"]
else:
overwrite = False
if os.path.exists(default_grub) and not overwrite:
with open(default_grub, 'r') as grub_file:
lines = [x.strip() for x in grub_file.readlines()]
for i in range(len(lines)):
if lines[i].startswith("#GRUB_CMDLINE_LINUX_DEFAULT"):
lines[i] = kernel_cmd
have_kernel_cmd = True
elif lines[i].startswith("GRUB_CMDLINE_LINUX_DEFAULT"):
lines[i] = kernel_cmd
have_kernel_cmd = True
elif lines[i].startswith("#GRUB_DISTRIBUTOR") or lines[i].startswith("GRUB_DISTRIBUTOR"):
lines[i] = distributor_line
have_distributor_line = True
else:
lines = []
if "defaults" in libcalamares.job.configuration:
for key, value in libcalamares.job.configuration["defaults"].items():
if value.__class__.__name__ == "bool":
if value:
escaped_value = "true"
else:
escaped_value = "false"
else:
escaped_value = str(value).replace("'", "'\\''")
lines.append("{!s}=\"{!s}\"".format(key, escaped_value))
if not have_kernel_cmd:
lines.append(kernel_cmd)
if not have_distributor_line:
lines.append(distributor_line)
with open(default_grub, 'w') as grub_file:
grub_file.write("\n".join(lines) + "\n")
return None
def run():
""" Calls routine with given parameters to modify '/etc/default/grub'.
:return:
"""
partitions = libcalamares.globalstorage.value("partitions")
root_mount_point = libcalamares.globalstorage.value("rootMountPoint")
branding = libcalamares.globalstorage.value("branding")
distributor = branding["bootloaderEntryName"]
return modify_grub_default(partitions, root_mount_point, distributor)