mirror of
https://gitlab.com/kupfer/kupferbootstrap.git
synced 2025-02-23 05:35:44 -05:00
151 lines
6.6 KiB
Python
151 lines
6.6 KiB
Python
|
from __future__ import annotations
|
||
|
|
||
|
import json
|
||
|
import logging
|
||
|
import os
|
||
|
import subprocess
|
||
|
|
||
|
from typing import Optional
|
||
|
|
||
|
from config import config
|
||
|
from constants import MAKEPKG_CMD, SRCINFO_FILE, SRCINFO_METADATA_FILE
|
||
|
from dataclass import DataClass
|
||
|
from exec.cmd import run_cmd
|
||
|
from utils import sha256sum
|
||
|
|
||
|
SRCINFO_CHECKSUM_FILES = ['PKGBUILD', SRCINFO_FILE]
|
||
|
|
||
|
|
||
|
class SrcinfoMetaFile(DataClass):
|
||
|
|
||
|
class Checksums(DataClass):
|
||
|
PKGBUILD: str
|
||
|
SRCINFO: str
|
||
|
|
||
|
checksums: Checksums
|
||
|
build_mode: Optional[str]
|
||
|
|
||
|
_relative_path: str
|
||
|
|
||
|
@staticmethod
|
||
|
def parse_existing(relative_pkg_dir: str) -> SrcinfoMetaFile:
|
||
|
'tries to parse the srcinfo_meta.json file in the specified pkgbuild dir'
|
||
|
pkgdir = os.path.join(config.get_path('pkgbuilds'), relative_pkg_dir)
|
||
|
srcinfo_meta_file = os.path.join(pkgdir, SRCINFO_METADATA_FILE)
|
||
|
if not os.path.exists(srcinfo_meta_file):
|
||
|
raise Exception(f"{relative_pkg_dir}: {SRCINFO_METADATA_FILE} doesn't exist")
|
||
|
with open(srcinfo_meta_file, 'r') as meta_fd:
|
||
|
metadata_raw = json.load(meta_fd) | {'_relative_path': relative_pkg_dir}
|
||
|
return SrcinfoMetaFile.fromDict(metadata_raw, validate=True)
|
||
|
|
||
|
@staticmethod
|
||
|
def generate_new(relative_pkg_dir: str, write: bool = True) -> tuple[SrcinfoMetaFile, list[str]]:
|
||
|
'Creates a new SrcinfoMetaFile object with checksums, creating a SRCINFO as necessary'
|
||
|
s = SrcinfoMetaFile({'_relative_path': relative_pkg_dir, 'build_mode': '', 'checksums': {}}, validate=True)
|
||
|
return s, s.refresh_all()
|
||
|
|
||
|
@staticmethod
|
||
|
def handle_directory(relative_pkg_dir: str, force_refresh: bool = False, write: bool = True) -> tuple[SrcinfoMetaFile, list[str]]:
|
||
|
lines = None
|
||
|
# try reading existing cache metadata
|
||
|
try:
|
||
|
metadata = SrcinfoMetaFile.parse_existing(relative_pkg_dir)
|
||
|
except Exception as ex:
|
||
|
logging.debug(f"{relative_pkg_dir}: something went wrong parsing json from {SRCINFO_METADATA_FILE},"
|
||
|
f"running `makepkg --printsrcinfo` instead instead: {ex}")
|
||
|
return SrcinfoMetaFile.generate_new(relative_pkg_dir, write=write)
|
||
|
# if for whatever reason only the SRCINFO got deleted but PKGBUILD has not been modified,
|
||
|
# we do want the checksum verification to work. So regenerate SRCINFO first.
|
||
|
if not os.path.exists(os.path.join(config.get_path('pkgbuilds'), relative_pkg_dir, SRCINFO_FILE)):
|
||
|
lines = metadata.refresh_srcinfo()
|
||
|
if not metadata.validate_checksums():
|
||
|
# metadata is invalid
|
||
|
return SrcinfoMetaFile.generate_new(relative_pkg_dir, write=write)
|
||
|
# metadata is valid
|
||
|
assert metadata
|
||
|
if not force_refresh:
|
||
|
logging.debug(f'{metadata._relative_path}: srcinfo checksums match!')
|
||
|
lines = lines or metadata.read_srcinfo_file()
|
||
|
else:
|
||
|
lines = metadata.refresh_all(write=write)
|
||
|
return metadata, lines
|
||
|
|
||
|
def refresh_checksums(self):
|
||
|
pkgdir = os.path.join(config.get_path('pkgbuilds'), self._relative_path)
|
||
|
checksums = self.Checksums({p: sha256sum(os.path.join(pkgdir, p)) for p in SRCINFO_CHECKSUM_FILES})
|
||
|
if 'checksums' not in self or self.checksums is None:
|
||
|
self['checksums'] = checksums
|
||
|
else:
|
||
|
self.checksums.clear()
|
||
|
self.checksums.update(checksums)
|
||
|
|
||
|
def refresh_build_mode(self):
|
||
|
self['build_mode'] = None
|
||
|
with open(os.path.join(config.get_path('pkgbuilds'), self._relative_path, 'PKGBUILD'), 'r') as file:
|
||
|
lines = file.read().split('\n')
|
||
|
for line in lines:
|
||
|
if line.startswith('_mode='):
|
||
|
self.build_mode = line.split('=', 1)[1].strip("\"'")
|
||
|
return
|
||
|
|
||
|
def refresh_srcinfo(self) -> list[str]:
|
||
|
'Run `makepkg --printsrcinfo` to create an updated SRCINFO file and return the lines from it'
|
||
|
logging.info(f"{self._relative_path}: Generating SRCINFO with makepkg")
|
||
|
pkgdir = os.path.join(config.get_path('pkgbuilds'), self._relative_path)
|
||
|
srcinfo_file = os.path.join(pkgdir, SRCINFO_FILE)
|
||
|
sproc = run_cmd(
|
||
|
MAKEPKG_CMD + ['--printsrcinfo'],
|
||
|
cwd=pkgdir,
|
||
|
stdout=subprocess.PIPE,
|
||
|
)
|
||
|
assert (isinstance(sproc, subprocess.CompletedProcess))
|
||
|
if sproc.returncode:
|
||
|
raise Exception(f"{self._relative_path}: makepkg failed to parse the PKGBUILD! Error code: {sproc.returncode}")
|
||
|
output = sproc.stdout.decode('utf-8')
|
||
|
with open(srcinfo_file, 'w') as srcinfo_fd:
|
||
|
srcinfo_fd.write(output)
|
||
|
return output.split('\n')
|
||
|
|
||
|
def read_srcinfo_file(self) -> list[str]:
|
||
|
with open(os.path.join(config.get_path('pkgbuilds'), self._relative_path, SRCINFO_FILE), 'r') as srcinfo_fd:
|
||
|
lines = srcinfo_fd.read().split('\n')
|
||
|
return lines
|
||
|
|
||
|
def refresh_all(self, write: bool = True) -> list[str]:
|
||
|
lines = self.refresh_srcinfo()
|
||
|
self.refresh_checksums()
|
||
|
self.refresh_build_mode()
|
||
|
if write:
|
||
|
self.write()
|
||
|
return lines
|
||
|
|
||
|
def validate_checksums(self) -> bool:
|
||
|
"Returns True if all checksummed files exist and checksums match"
|
||
|
pkgdir = os.path.join(config.get_path('pkgbuilds'), self._relative_path)
|
||
|
assert self.checksums
|
||
|
for filename in SRCINFO_CHECKSUM_FILES:
|
||
|
if filename not in self.checksums:
|
||
|
logging.debug(f"{self._relative_path}: No checksum for {filename} available")
|
||
|
return False
|
||
|
checksum = self.checksums[filename]
|
||
|
path = os.path.join(pkgdir, filename)
|
||
|
if not os.path.exists(path):
|
||
|
logging.debug(f"{self._relative_path}: can't checksum'{filename}: file doesn't exist")
|
||
|
return False
|
||
|
file_sum = sha256sum(path)
|
||
|
if file_sum != checksum:
|
||
|
logging.debug(f'{self._relative_path}: Checksum for file "{filename}" doesn\'t match')
|
||
|
return False
|
||
|
return True
|
||
|
|
||
|
def toJSON(self) -> str:
|
||
|
'Returns a json representation, with private keys that start with "_" filtered out'
|
||
|
return json.dumps({key: val for key, val in self.toDict().items() if not key.startswith('_')})
|
||
|
|
||
|
def write(self):
|
||
|
'Write the filtered json representation to disk as srcinfo_meta.json'
|
||
|
filepath = os.path.join(config.get_path('pkgbuilds'), self._relative_path, SRCINFO_METADATA_FILE)
|
||
|
logging.debug(f'{self._relative_path}: writing {SRCINFO_METADATA_FILE}')
|
||
|
with open(filepath, 'w') as fd:
|
||
|
fd.write(self.toJSON())
|