mirror of
https://gitlab.com/kupfer/kupferbootstrap.git
synced 2025-02-23 05:35:44 -05:00
95 lines
4 KiB
Python
95 lines
4 KiB
Python
import shutil
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import os
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import click
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from typing import Optional
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from constants import FLASH_PARTS, LOCATIONS
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from exec.cmd import run_root_cmd
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from exec.file import get_temp_dir
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from fastboot import fastboot_flash
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from image import dd_image, partprobe, shrink_fs, losetup_rootfs_image, losetup_destroy, dump_aboot, dump_lk2nd, dump_qhypstub, get_image_name, get_image_path
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from devices.device import get_profile_device
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from flavours.flavour import get_profile_flavour
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from flavours.cli import profile_option
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from wrapper import enforce_wrap
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ABOOT = FLASH_PARTS['ABOOT']
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LK2ND = FLASH_PARTS['LK2ND']
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QHYPSTUB = FLASH_PARTS['QHYPSTUB']
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ROOTFS = FLASH_PARTS['ROOTFS']
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@click.command(name='flash')
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@profile_option
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@click.argument('what', type=click.Choice(list(FLASH_PARTS.values())))
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@click.argument('location', type=str, required=False)
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def cmd_flash(what: str, location: str, profile: Optional[str] = None):
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"""Flash a partition onto a device. `location` takes either a path to a block device or one of emmc, sdcard"""
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enforce_wrap()
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device = get_profile_device(profile)
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flavour = get_profile_flavour(profile).name
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device_image_name = get_image_name(device, flavour)
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device_image_path = get_image_path(device, flavour)
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deviceinfo = device.parse_deviceinfo()
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sector_size = deviceinfo.flash_pagesize
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if not sector_size:
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raise Exception(f"Device {device.name} has no flash_pagesize specified")
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if what not in FLASH_PARTS.values():
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raise Exception(f'Unknown what "{what}", must be one of {", ".join(FLASH_PARTS.values())}')
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if what == ROOTFS:
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if location is None:
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raise Exception(f'You need to specify a location to flash {what} to')
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path = ''
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if location.startswith("/dev/"):
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path = location
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else:
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if location not in LOCATIONS:
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raise Exception(f'Invalid location {location}. Choose one of {", ".join(LOCATIONS)}')
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dir = '/dev/disk/by-id'
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for file in os.listdir(dir):
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sanitized_file = file.replace('-', '').replace('_', '').lower()
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if f'jumpdrive{location.split("-")[0]}' in sanitized_file:
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path = os.path.realpath(os.path.join(dir, file))
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partprobe(path)
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result = run_root_cmd(['lsblk', path, '-o', 'SIZE'], capture_output=True)
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if result.returncode != 0:
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raise Exception(f'Failed to lsblk {path}')
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if result.stdout == b'SIZE\n 0B\n':
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raise Exception(f'Disk {path} has a size of 0B. That probably means it is not available (e.g. no'
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'microSD inserted or no microSD card slot installed in the device) or corrupt or defect')
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if path == '':
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raise Exception('Unable to discover Jumpdrive')
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minimal_image_dir = get_temp_dir(register_cleanup=True)
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minimal_image_path = os.path.join(minimal_image_dir, f'minimal-{device_image_name}')
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shutil.copyfile(device_image_path, minimal_image_path)
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loop_device = losetup_rootfs_image(minimal_image_path, sector_size)
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partprobe(loop_device)
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shrink_fs(loop_device, minimal_image_path, sector_size)
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losetup_destroy(loop_device)
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result = dd_image(input=minimal_image_path, output=path)
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if result.returncode != 0:
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raise Exception(f'Failed to flash {minimal_image_path} to {path}')
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else:
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loop_device = losetup_rootfs_image(device_image_path, sector_size)
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if what == ABOOT:
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path = dump_aboot(f'{loop_device}p1')
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fastboot_flash('boot', path)
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elif what == LK2ND:
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path = dump_lk2nd(f'{loop_device}p1')
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fastboot_flash('lk2nd', path)
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elif what == QHYPSTUB:
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path = dump_qhypstub(f'{loop_device}p1')
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fastboot_flash('qhypstub', path)
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else:
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raise Exception(f'Unknown what "{what}", this must be a bug in kupferbootstrap!')
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