pmbootstrap/pmb/chroot/other.py

97 lines
3.4 KiB
Python

"""
Copyright 2018 Oliver Smith
This file is part of pmbootstrap.
pmbootstrap 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.
pmbootstrap 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 pmbootstrap. If not, see <http://www.gnu.org/licenses/>.
"""
import os
import glob
import logging
import pmb.chroot.apk
import pmb.install
def kernel_flavors_installed(args, suffix, autoinstall=True):
"""
Get all installed kernel flavors and make sure that there's at least one
:param suffix: the chroot suffix, e.g. "native" or "rootfs_qemu-amd64"
:param autoinstall: make sure that at least one kernel flavor is installed
:returns: list of installed kernel flavors, e.g. ["postmarketos-mainline"]
"""
# Automatically install the selected kernel
if autoinstall:
packages = (["device-" + args.device] +
pmb.install.get_kernel_package(args, args.device))
pmb.chroot.apk.install(args, packages, suffix)
# Find all kernels in /boot
prefix = "vmlinuz-"
prefix_len = len(prefix)
pattern = args.work + "/chroot_" + suffix + "/boot/" + prefix + "*"
ret = []
for file in glob.glob(pattern):
flavor = os.path.basename(file)[prefix_len:]
if flavor[-4:] == "-dtb":
flavor = flavor[:-4]
ret.append(flavor)
# Return without duplicates
return list(set(ret))
def tempfolder(args, path, suffix="native"):
"""
Create a temporary folder inside the chroot, that belongs to "user".
The folder gets deleted, if it already exists.
:param path: of the temporary folder inside the chroot
:returns: the path
"""
if os.path.exists(args.work + "/chroot_" + suffix + path):
pmb.chroot.root(args, ["rm", "-r", path])
pmb.chroot.user(args, ["mkdir", "-p", path])
return path
def copy_xauthority(args):
"""
Copy the host system's Xauthority file to the pmos user inside the chroot,
so we can start X11 applications from there.
"""
# Check $DISPLAY
logging.info("(native) copy host Xauthority")
if not os.environ.get("DISPLAY"):
raise RuntimeError("Your $DISPLAY variable is not set. If you have an"
" X11 server running as your current user, try"
" 'export DISPLAY=:0' and run your last"
" pmbootstrap command again.")
# Check $XAUTHORITY
original = os.environ.get("XAUTHORITY")
if not original:
original = os.path.join(os.environ['HOME'], '.Xauthority')
if not os.path.exists(original):
raise RuntimeError("Could not find your Xauthority file, try to export"
" your $XAUTHORITY correctly. Looked here: " +
original)
# Copy to chroot and chown
copy = args.work + "/chroot_native/home/pmos/.Xauthority"
if os.path.exists(copy):
pmb.helpers.run.root(args, ["rm", copy])
pmb.helpers.run.root(args, ["cp", original, copy])
pmb.chroot.root(args, ["chown", "pmos:pmos", "/home/pmos/.Xauthority"])