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|
import archinstall
import re
import glob
import shutil
import pathlib
import logging
import urllib.request
__version__ = 0.2
sudo_user = archinstall.arguments.get("aur-user", "aoffline_usr")
try:
found_aur_user = archinstall.SysCommand(f"id {sudo_user}").exit_code == 0
except:
found_aur_user = False
AUR_USER_CREATED = False
AUR_HELPER = None
AUR_HELPERS = {
"yay-bin": "LANG=C yay --noprovides --answerdiff None --answerclean None --mflags '--noconfirm'"
}
def untar_file(file):
archinstall.log(
f"(runas {sudo_user}) /usr/bin/tar --directory /home/{sudo_user}/ -xvzf {file}",
level=logging.DEBUG,
fg="gray",
)
archinstall.storage["installation_session"].arch_chroot(
f"/usr/bin/tar --directory /home/{sudo_user}/ -xvzf {file}", run_as=sudo_user
)
def download_file(url, destination, filename=""):
if not (dst := pathlib.Path(destination)).exists():
dst.mkdir(parents=True)
if dst.is_file():
return False
tmp_filename, headers = urllib.request.urlretrieve(url)
shutil.move(tmp_filename, f"{destination}/{filename}")
return True
class Plugin:
def on_pacstrap(self, packages: list) -> list:
global AUR_USER_CREATED
global AUR_HELPER
global AUR_HELPERS
if type(packages) == str:
packages = packages.split(" ")
archinstall.log(
f"Identifying AUR packages in package list: {packages}",
level=logging.INFO,
fg="gray",
)
aur_packages = []
std_packages = []
# We'd like to use upstream or a local JSON database to lookup packages.
# But for now this is the lowest latency option that doesn't hog resources upstream.
for package in packages:
try:
if archinstall.SysCommand(f"pacman -Ss {package}").exit_code == 0:
std_packages.append(package)
else:
aur_packages.append(package)
except archinstall.lib.exceptions.SysCallError:
aur_packages.append(package)
mount_location = archinstall.storage["installation_session"].target
aur_packages = sorted(
aur_packages, key=lambda package: 0 if package in AUR_HELPERS else 1
)
for package in aur_packages:
if AUR_USER_CREATED is False:
archinstall.log(
f"Setting up temporary AUR build user {sudo_user} and installing build tools for {aur_packages}",
level=logging.INFO,
fg="gray",
)
# We have to install fakeroot to the live medium as it's missing
# (wasn't ever really intended to build stuff..)
archinstall.storage["installation_session"].add_additional_packages(
["fakeroot", "base-devel"]
)
with open(f"{mount_location}/etc/sudoers.d/{sudo_user}", "w") as fh:
# TODO: This could be tweaked to only contain the binaries needed, such as `makepkg` and `pacman -U`.
# But it's done in the live environment, not the final installation..
# So risks are low unless the user pre-enabled sshd with a login for said user.
fh.write(f"{sudo_user} ALL=(ALL:ALL) NOPASSWD: ALL\n")
archinstall.log(f"Creating temporary build user {sudo_user}")
archinstall.storage["installation_session"].user_create(
sudo_user, password="somethingrandom"
)
# archinstall.SysCommand(f"/usr/bin/useradd -m -N -s /bin/bash {sudo_user}")
AUR_USER_CREATED = True
archinstall.log(
f"Building AUR package {package}", level=logging.INFO, fg="yellow"
)
if AUR_HELPER is not None:
build_command = f"{AUR_HELPER} -S {package}"
try:
archinstall.storage["installation_session"].arch_chroot(
f'/bin/sh -c "{build_command}"', run_as=sudo_user
)
continue
except archinstall.lib.exceptions.SysCallError:
pass
if not download_file(
f"https://aur.archlinux.org/cgit/aur.git/snapshot/{package}.tar.gz",
destination=f"{mount_location}/home/{sudo_user}/",
filename=f"{package}.tar.gz",
):
archinstall.log(
f"Could not retrieve {package} from: https://aur.archlinux.org/cgit/aur.git/snapshot/{package}.tar.gz",
fg="red",
level=logging.ERROR,
)
exit(1)
archinstall.storage["installation_session"].chown(
sudo_user, f"/home/{sudo_user}/{package}.tar.gz"
)
untar_file(f"/home/{sudo_user}/{package}.tar.gz")
with open(
f"{mount_location}/home/{sudo_user}/{package}/PKGBUILD", "r"
) as fh:
PKGBUILD = fh.read()
# This regexp needs to accomodate multiple keys, as well as the logic below
gpgkeys = re.findall("validpgpkeys=\(.*\)", PKGBUILD)
if gpgkeys:
for key in gpgkeys:
key = key[13:].strip("(')\"")
archinstall.log(f"Adding GPG-key {key} to session for {sudo_user}")
archinstall.storage["installation_session"].arch_chroot(
f"/usr/bin/gpg --recv-keys {key}", run_as=sudo_user
)
build_command = f'cd /home/{sudo_user}/{package}; makepkg --clean --force --cleanbuild --noconfirm --needed -s'
if (
build_handle := archinstall.storage["installation_session"].arch_chroot(
f'/bin/bash -c "{build_command}"', run_as=sudo_user
)
).exit_code != 0:
archinstall.log(build_handle, level=logging.ERROR)
archinstall.log(
f"Could not build {package}, see traceback above. Continuing to avoid re-build needs for the rest of the run and re-runs.",
fg="red",
level=logging.ERROR,
)
else:
print(
f"Looking for: {mount_location}/home/{sudo_user}/{package}/*.tar.zst"
)
if built_package := glob.glob(
f"{mount_location}/home/{sudo_user}/{package}/*.tar.zst"
):
built_package = pathlib.Path(built_package[0]).name
print(f"Found package: {built_package}")
archinstall.storage["installation_session"].arch_chroot(
f"/usr/bin/pacman --noconfirm -U /home/{sudo_user}/{package}/{built_package}"
)
shutil.rmtree(f"{mount_location}/home/{sudo_user}/{package}")
pathlib.Path(
f"{mount_location}/home/{sudo_user}/{package}.tar.gz"
).unlink()
AUR_HELPER = AUR_HELPERS.get(package, AUR_HELPER)
else:
archinstall.log(
f"Could not locate {package}.tar.zst after build.",
fg="red",
level=logging.ERROR,
)
exit(1)
if AUR_USER_CREATED:
archinstall.log(f"Removing temporary build user {sudo_user}")
pathlib.Path(f"{mount_location}/etc/sudoers.d/{sudo_user}").unlink()
# TODO: These are only needed if we run Installation.Boot():
# Stop dirmngr and gpg-agent before removing home directory and running userdel
# archinstall.storage['installation_session'].arch_chroot(f"/usr/bin/systemctl --machine={sudo_user}@.host --user stop dirmngr.socket", run_as=sudo_user)
archinstall.storage["installation_session"].arch_chroot(
f"/usr/bin/gpgconf --kill gpg-agent", run_as=sudo_user
)
try:
archinstall.storage["installation_session"].arch_chroot(
f"/usr/bin/killall -u {sudo_user}", run_as=sudo_user
)
except archinstall.lib.exceptions.SysCallError:
# We'll terminate our own running process and that's fine
pass
archinstall.storage["installation_session"].arch_chroot(
f"/usr/bin/userdel {sudo_user}"
)
shutil.rmtree(f"{mount_location}/home/{sudo_user}")
AUR_USER_CREATED = False
# Returns a curated list of packages that exludes any AUR packages.
# This allows installataion.pacstrap() to contain AUR packages,
# but won't handle them or try to install them since we remove those here.
return std_packages
def dummy_example(*args, **kwargs):
pass
# Example function injection
archinstall.plugin_function = dummy_example
|
