86 lines
2.9 KiB
Python
86 lines
2.9 KiB
Python
"""
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Copyright 2018 Oliver Smith
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This file is part of pmbootstrap.
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pmbootstrap 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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pmbootstrap 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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You should have received a copy of the GNU General Public License
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along with pmbootstrap. If not, see <http://www.gnu.org/licenses/>.
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"""
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import logging
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import os
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import time
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import pmb.chroot
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import pmb.config
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import pmb.install.losetup
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def partitions_mount(args):
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"""
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Mount blockdevices of partitions inside native chroot
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"""
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prefix = args.sdcard
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if not args.sdcard:
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img_path = "/home/pmos/rootfs/" + args.device + ".img"
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prefix = pmb.install.losetup.device_by_back_file(args, img_path)
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partition_prefix = None
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tries = 20
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for i in range(tries):
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for symbol in ["p", ""]:
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if os.path.exists(prefix + symbol + "1"):
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partition_prefix = symbol
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if partition_prefix is not None:
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break
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logging.debug("NOTE: (" + str(i + 1) + "/" + str(tries) + ") failed to find"
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" the install partition. Retrying...")
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time.sleep(0.1)
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if partition_prefix is None:
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raise RuntimeError("Unable to find the partition prefix,"
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" expected the first partition of " +
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prefix + " to be located at " + prefix +
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"1 or " + prefix + "p1!")
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for i in [1, 2]:
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source = prefix + partition_prefix + str(i)
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target = args.work + "/chroot_native/dev/installp" + str(i)
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pmb.helpers.mount.bind_blockdevice(args, source, target)
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def partition(args, size_boot):
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"""
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Partition /dev/install and create /dev/install{p1,p2}
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size_boot: size of the boot partition in bytes.
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"""
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# Convert to MB and print info
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mb_boot = str(round(size_boot / 1024 / 1024)) + "M"
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logging.info("(native) partition /dev/install (boot: " + mb_boot +
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", root: the rest)")
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filesystem = args.deviceinfo["boot_filesystem"] or "ext2"
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# Actual partitioning with 'parted'. Using check=False, because parted
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# sometimes "fails to inform the kernel". In case it really failed with
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# partitioning, the follow-up mounting/formatting will not work, so it
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# will stop there (see #463).
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commands = [
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["mktable", "msdos"],
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["mkpart", "primary", filesystem, "2048s", mb_boot],
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["mkpart", "primary", mb_boot, "100%"],
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["set", "1", "boot", "on"]
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]
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for command in commands:
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pmb.chroot.root(args, ["parted", "-s", "/dev/install"] +
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command, check=False)
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