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rootfs.py refactoring.

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Switch to bzip2 packages
Move most of the preprocessing done by rootfs.py
into kaem and bash scripts inside live-bootstrap.
This commit is contained in:
Andrius Štikonas 2022-04-13 00:08:29 +01:00
parent 79c47f21ff
commit 5b032cb46c
47 changed files with 276 additions and 274 deletions
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32
lib/sysgeneral.py
View file

@ -9,13 +9,12 @@ This file contains a few functions to be shared by all Sys* classes
import os
import hashlib
import shutil
import glob
import subprocess
import requests
from lib.utils import mount, umount, get_target, copytree
from lib.utils import mount, umount
class SysGeneral:
"""
@ -26,6 +25,7 @@ class SysGeneral:
# All of these are variables defined in the individual Sys* classes
preserve_tmp = None
tmp_dir = None
cache_dir = None
base_dir = None
git_dir = None
sys_dir = None
@ -71,16 +71,14 @@ this script the next time")
"""
Download a single source archive.
"""
cache_dir = os.path.join(self.git_dir, 'sources')
# Automatically determine file name based on URL.
if file_name is None:
file_name = os.path.basename(url)
abs_file_name = os.path.join(cache_dir, file_name)
abs_file_name = os.path.join(self.cache_dir, file_name)
# Create a cache directory for downloaded sources
if not os.path.isdir(cache_dir):
os.mkdir(cache_dir)
if not os.path.isdir(self.cache_dir):
os.mkdir(self.cache_dir)
# Actually download the file
if not os.path.isfile(abs_file_name):
@ -109,37 +107,19 @@ this script the next time")
# Single URL
if isinstance(url, str):
assert output is None or isinstance(output, str)
file_name = url if output is None else output
urls = [url]
outputs = [output]
# Multiple URLs
elif isinstance(url, list):
assert output is None or len(output) == len(url)
file_name = url[0] if output is None else output[0]
urls = url
outputs = output if output is not None else [None] * len(url)
else:
raise TypeError("url must be either a string or a list of strings")
# Determine installation directory
target_name = get_target(file_name)
target_src_dir = os.path.join(self.base_dir, target_name, 'src')
# Install base files
src_tree = os.path.join(self.sys_dir, target_name)
copytree(src_tree, self.base_dir)
if not os.path.isdir(target_src_dir):
os.mkdir(target_src_dir)
for i, _ in enumerate(urls):
# Download files into cache directory
tarball = self.download_file(urls[i], outputs[i])
# Install sources into target directory
shutil.copy2(tarball, target_src_dir)
def deploy_sysglobal_files(self):
"""Deploy files common to all Sys*"""
sysglobal_files = ['helpers.sh', 'SHA256SUMS.pkgs']
for file in sysglobal_files:
shutil.copy2(os.path.join(self.git_dir, 'sysglobal', file),
self.base_dir)
self.download_file(urls[i], outputs[i])
def make_initramfs(self):
"""Package binary bootstrap seeds and sources into initramfs."""

29
lib/utils.py
View file

@ -48,19 +48,16 @@ def umount(target, **kwargs):
def copytree(src, dst, ignore=shutil.ignore_patterns('*.git*')):
"""Copy directory tree into another directory"""
file_name = os.path.basename(src)
shutil.copytree(src, os.path.join(dst, file_name), ignore=ignore)
def get_target(file_name):
"""Determine package installation directory"""
bname = os.path.basename(file_name)
# Remove file extension. This is not completely trivial because
# tar archives often come with double extensions.
first_ext = os.path.splitext(os.path.basename(bname))
second_ext = os.path.splitext(first_ext[0])
if second_ext[1] == '.tar':
bname = second_ext[0]
else:
bname = first_ext[0]
return bname
if not os.path.exists(dst):
os.makedirs(dst)
lst = os.listdir(src)
if ignore:
excl = ignore(src, lst)
lst = [x for x in lst if x not in excl]
for item in lst:
source = os.path.join(src, item)
dest = os.path.join(dst, item)
if os.path.isdir(source):
copytree(source, dest, ignore)
else:
shutil.copy2(source, dest)