45 lines
2 KiB
Python
45 lines
2 KiB
Python
import atexit
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import os
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from constants import Arch, BASE_PACKAGES
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from utils import check_findmnt
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from .base import BaseChroot
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from .build import BuildChroot
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from .abstract import get_chroot, Chroot
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class DeviceChroot(BuildChroot):
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copy_base: bool = False
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def create_rootfs(self, reset, pacman_conf_target, active_previously):
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clss = BuildChroot if self.copy_base else BaseChroot
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clss.create_rootfs(self, reset, pacman_conf_target, active_previously)
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def mount_rootfs(self, source_path: str, fs_type: str = None, options: list[str] = [], allow_overlay: bool = False):
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if self.active:
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raise Exception(f'{self.name}: Chroot is marked as active, not mounting a rootfs over it.')
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if not os.path.exists(source_path):
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raise Exception('Source does not exist')
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if not allow_overlay:
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really_active = []
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for mnt in self.active_mounts:
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if check_findmnt(self.get_path(mnt)):
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really_active.append(mnt)
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if really_active:
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raise Exception(f'{self.name}: Chroot has submounts active: {really_active}')
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if os.path.ismount(self.path):
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raise Exception(f'{self.name}: There is already something mounted at {self.path}, not mounting over it.')
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if os.path.exists(os.path.join(self.path, 'usr/bin')):
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raise Exception(f'{self.name}: {self.path}/usr/bin exists, not mounting over existing rootfs.')
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os.makedirs(self.path, exist_ok=True)
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atexit.register(self.deactivate)
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self.mount(source_path, '/', fs_type=fs_type, options=options)
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def get_device_chroot(device: str, flavour: str, arch: Arch, packages: list[str] = BASE_PACKAGES, extra_repos={}, **kwargs) -> Chroot:
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name = f'rootfs_{device}-{flavour}'
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default = DeviceChroot(name, arch, initialize=False, copy_base=False, base_packages=packages, extra_repos=extra_repos)
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return get_chroot(name, **kwargs, default=default)
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