pmbootstrap-meow/pmb/install/recovery.py
2024-10-30 12:39:45 +01:00

94 lines
3.2 KiB
Python

# Copyright 2023 Attila Szollosi
# SPDX-License-Identifier: GPL-3.0-or-later
from pathlib import Path
from pmb.core.chroot import Chroot
from pmb.helpers import logging
import pmb.chroot
import pmb.chroot.apk
import pmb.config.pmaports
from pmb.types import PmbArgs
import pmb.flasher
import pmb.helpers.frontend
def create_zip(args: PmbArgs, chroot: Chroot, device: str) -> None:
"""
Create android recovery compatible installer zip.
"""
zip_root = Path("/var/lib/postmarketos-android-recovery-installer/")
rootfs = "/mnt/rootfs_" + device
flavor = pmb.helpers.frontend._parse_flavor(device)
deviceinfo = pmb.parse.deviceinfo()
method = deviceinfo.flash_method
fvars = pmb.flasher.variables(
flavor,
method,
getattr(args, "cmdline", None),
getattr(args, "no_reboot", None),
getattr(args, "partition", None),
getattr(args, "resume", None),
)
# Install recovery installer package in buildroot
pmb.chroot.apk.install(["postmarketos-android-recovery-installer"], chroot)
logging.info(f"({chroot}) create recovery zip")
for key in fvars:
fvalue = fvars[key]
if fvalue is None:
continue
pmb.flasher.check_partition_blacklist(deviceinfo, key, fvalue)
if (
fvars["$PARTITION_KERNEL"] is None
or fvars["$PARTITION_INITFS"] is None
or fvars["$PARTITION_ROOTFS"] is None
):
raise AssertionError("Partitions should not be None at this point")
# Create config file for the recovery installer
options: dict[str, bool | str] = {
"DEVICE": device,
"FLASH_KERNEL": args.recovery_flash_kernel,
"ISOREC": method == "heimdall-isorec",
"KERNEL_PARTLABEL": fvars["$PARTITION_KERNEL"],
"INITFS_PARTLABEL": fvars["$PARTITION_INITFS"],
# Name is still "SYSTEM", not "ROOTFS" in the recovery installer
"SYSTEM_PARTLABEL": fvars["$PARTITION_ROOTFS"],
"INSTALL_PARTITION": args.recovery_install_partition,
"CIPHER": args.cipher,
"FDE": args.full_disk_encryption,
}
# Backwards compatibility with old mkinitfs (pma#660)
pmaports_cfg = pmb.config.pmaports.read_config()
if pmaports_cfg.get("supported_mkinitfs_without_flavors", False):
options["FLAVOR"] = ""
else:
options["FLAVOR"] = f"-{flavor}" if flavor is not None else "-"
# Write to a temporary file
config_temp = chroot / "tmp/install_options"
with config_temp.open("w") as handle:
for key, value in options.items():
if isinstance(value, bool):
value = str(value).lower()
handle.write(key + "='" + value + "'\n")
commands = [
# Move config file from /tmp/ to zip root
["mv", "/tmp/install_options", "chroot/install_options"],
# Create tar archive of the rootfs
["tar", "-pcf", "rootfs.tar", "--exclude", "./home", "-C", rootfs, "."],
# Append packages keys
["tar", "-prf", "rootfs.tar", "-C", "/", "./etc/apk/keys"],
# Compress with -1 for speed improvement
["gzip", "-f1", "rootfs.tar"],
["build-recovery-zip", device],
]
for command in commands:
pmb.chroot.root(command, chroot, working_dir=zip_root)