81 lines
2.7 KiB
Python
Executable File
81 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python3
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"""System C"""
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# SPDX-License-Identifier: GPL-3.0-or-later
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# SPDX-FileCopyrightText: 2022-2023 Dor Askayo <dor.askayo@gmail.com>
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# SPDX-FileCopyrightText: 2021-22 fosslinux <fosslinux@aussies.space>
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# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
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import os
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import getpass
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from lib.utils import mount, umount, create_disk, run, copytree
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from lib.sysgeneral import SysGeneral
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# pylint: disable=consider-using-with
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# pylint: disable=too-many-instance-attributes
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class SysC(SysGeneral):
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"""
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Class responsible for preparing sources for System C.
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"""
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git_dir = os.path.dirname(os.path.join(__file__))
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sys_dir = os.path.join(git_dir, 'sysc')
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cache_dir = os.path.join(sys_dir, 'distfiles')
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dev_name = None
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def __init__(self, arch, preserve_tmp, tmpdir, external_sources):
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self.arch = arch
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self.preserve_tmp = preserve_tmp
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self.external_sources = external_sources
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if tmpdir is None:
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self.tmp_dir = os.path.join(self.sys_dir, 'tmp')
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else:
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self.tmp_dir = os.path.join(tmpdir, 'sysc')
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def __del__(self):
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if not self.preserve_tmp:
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if self.dev_name is not None:
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print(f"Detaching {self.dev_name}")
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run('sudo', 'losetup', '-d', self.dev_name)
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super().__del__()
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def prepare(self, mount_tmpfs, create_disk_image):
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"""
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Prepare directory structure for System C.
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"""
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if mount_tmpfs:
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self.mount_tmpfs()
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else:
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os.mkdir(self.tmp_dir)
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rootfs_dir = None
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if create_disk_image:
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# Create + mount a disk for QEMU to use
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disk_path = os.path.join(self.tmp_dir, 'disk.img')
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if self.external_sources:
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self.dev_name = create_disk(disk_path, "msdos", "ext4", '8G')
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rootfs_dir = os.path.join(self.tmp_dir, 'mnt')
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os.mkdir(rootfs_dir)
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mount(self.dev_name + "p1", rootfs_dir, 'ext4')
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else:
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self.dev_name = create_disk(disk_path, "none", "ext4", '8G')
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# Use chown to allow executing user to access it
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run('sudo', 'chown', getpass.getuser(), self.dev_name)
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if self.external_sources:
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run('sudo', 'chown', getpass.getuser(), rootfs_dir)
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else:
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rootfs_dir = self.tmp_dir
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if self.external_sources:
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source_manifest = self.get_source_manifest()
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self.get_packages(source_manifest)
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copytree(self.cache_dir, os.path.join(rootfs_dir, "distfiles"))
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# Unmount tmp/mnt if it was mounted
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if create_disk_image and self.external_sources:
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umount(rootfs_dir)
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