mirror of
https://github.com/tauri-apps/verso.git
synced 2026-01-31 00:55:21 +01:00
439 lines
14 KiB
Python
439 lines
14 KiB
Python
#!/usr/bin/env python3
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__license__ = 'MIT'
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import json
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from urllib.parse import urlparse, ParseResult, parse_qs
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import os
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import contextlib
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import copy
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import glob
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import subprocess
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import argparse
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import logging
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import hashlib
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import asyncio
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from typing import Any, Dict, List, NamedTuple, Optional, Tuple, TypedDict
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import aiohttp
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import toml
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CRATES_IO = 'https://static.crates.io/crates'
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CARGO_HOME = 'cargo'
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CARGO_CRATES = f'{CARGO_HOME}/vendor'
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VENDORED_SOURCES = 'vendored-sources'
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GIT_CACHE = 'flatpak-cargo/git'
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COMMIT_LEN = 7
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@contextlib.contextmanager
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def workdir(path: str):
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oldpath = os.getcwd()
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os.chdir(path)
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try:
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yield
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finally:
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os.chdir(oldpath)
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def canonical_url(url: str) -> ParseResult:
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'Converts a string to a Cargo Canonical URL, as per https://github.com/rust-lang/cargo/blob/35c55a93200c84a4de4627f1770f76a8ad268a39/src/cargo/util/canonical_url.rs#L19'
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# Hrm. The upstream cargo does not replace those URLs, but if we don't then it doesn't work too well :(
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url = url.replace('git+https://', 'https://')
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u = urlparse(url)
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# It seems cargo drops query and fragment
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u = ParseResult(u.scheme, u.netloc, u.path, '', '', '')
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u = u._replace(path = u.path.rstrip('/'))
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if u.netloc == 'github.com':
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u = u._replace(scheme = 'https')
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u = u._replace(path = u.path.lower())
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if u.path.endswith('.git'):
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u = u._replace(path = u.path[:-len('.git')])
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return u
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def get_git_tarball(repo_url: str, commit: str) -> str:
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url = canonical_url(repo_url)
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path = url.path.split('/')[1:]
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assert len(path) == 2
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owner = path[0]
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if path[1].endswith('.git'):
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repo = path[1].replace('.git', '')
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else:
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repo = path[1]
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if url.hostname == 'github.com':
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return f'https://codeload.{url.hostname}/{owner}/{repo}/tar.gz/{commit}'
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elif url.hostname.split('.')[0] == 'gitlab': # type: ignore
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return f'https://{url.hostname}/{owner}/{repo}/-/archive/{commit}/{repo}-{commit}.tar.gz'
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elif url.hostname == 'bitbucket.org':
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return f'https://{url.hostname}/{owner}/{repo}/get/{commit}.tar.gz'
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else:
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raise ValueError(f'Don\'t know how to get tarball for {repo_url}')
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async def get_remote_sha256(url: str) -> str:
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logging.info(f"started sha256({url})")
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sha256 = hashlib.sha256()
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async with aiohttp.ClientSession(raise_for_status=True) as http_session:
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async with http_session.get(url) as response:
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while True:
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data = await response.content.read(4096)
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if not data:
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break
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sha256.update(data)
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logging.info(f"done sha256({url})")
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return sha256.hexdigest()
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_TomlType = Dict[str, Any]
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def load_toml(tomlfile: str = 'Cargo.lock') -> _TomlType:
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with open(tomlfile, 'r') as f:
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toml_data = toml.load(f)
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return toml_data
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def git_repo_name(git_url: str, commit: str) -> str:
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name = canonical_url(git_url).path.split('/')[-1]
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return f'{name}-{commit[:COMMIT_LEN]}'
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def fetch_git_repo(git_url: str, commit: str) -> str:
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repo_dir = git_url.replace('://', '_').replace('/', '_')
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cache_dir = os.environ.get('XDG_CACHE_HOME', os.path.expanduser('~/.cache'))
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clone_dir = os.path.join(cache_dir, 'flatpak-cargo', repo_dir)
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if not os.path.isdir(os.path.join(clone_dir, '.git')):
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subprocess.run(['git', 'clone', '--depth=1', git_url, clone_dir], check=True)
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rev_parse_proc = subprocess.run(['git', 'rev-parse', 'HEAD'], cwd=clone_dir, check=True,
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stdout=subprocess.PIPE)
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head = rev_parse_proc.stdout.decode().strip()
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if head[:COMMIT_LEN] != commit[:COMMIT_LEN]:
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subprocess.run(['git', 'fetch', 'origin', commit], cwd=clone_dir, check=True)
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subprocess.run(['git', 'checkout', commit], cwd=clone_dir, check=True)
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# Get the submodules as they might contain dependencies. This is a noop if
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# there are no submodules in the repository
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subprocess.run(['git', 'submodule', 'update', '--init', '--recursive'], cwd=clone_dir, check=True)
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return clone_dir
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def update_workspace_keys(pkg, workspace):
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for key, item in pkg.items():
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# There cannot be a 'workspace' key if the item is not a dict.
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if not isinstance(item, dict):
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continue;
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# Recurse for keys under target.cfg(..)
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if key == 'target':
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for target in item.values():
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update_workspace_keys(target, workspace)
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continue;
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# dev-dependencies and build-dependencies should reference root dependencies table from workspace
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elif key == 'dev-dependencies' or key == 'build-dependencies':
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update_workspace_keys(item, workspace.get('dependencies', None))
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continue;
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if not workspace or not key in workspace:
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continue;
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workspace_item = workspace[key]
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if 'workspace' in item:
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if isinstance(workspace_item, dict):
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del item['workspace']
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for dep_key, workspace_value in workspace_item.items():
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# features are additive
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if dep_key == 'features' and 'features' in item:
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item['features'] += workspace_value
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else:
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item[dep_key] = workspace_value
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elif len(item) > 1:
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del item['workspace']
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item.update({ 'version': workspace_item })
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else:
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pkg[key] = workspace_item
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else:
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update_workspace_keys(item, workspace_item)
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class _GitPackage(NamedTuple):
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path: str
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package: _TomlType
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workspace: Optional[_TomlType]
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@property
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def normalized(self) -> _TomlType:
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package = copy.deepcopy(self.package)
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if self.workspace is None:
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return package
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update_workspace_keys(package, self.workspace)
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return package
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_GitPackagesType = Dict[str, _GitPackage]
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async def get_git_repo_packages(git_url: str, commit: str) -> _GitPackagesType:
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logging.info('Loading packages from %s', git_url)
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git_repo_dir = fetch_git_repo(git_url, commit)
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packages: _GitPackagesType = {}
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def get_cargo_toml_packages(root_dir: str, workspace: Optional[_TomlType] = None):
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assert not os.path.isabs(root_dir) and os.path.isdir(root_dir)
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with workdir(root_dir):
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if os.path.exists('Cargo.toml'):
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cargo_toml = load_toml('Cargo.toml')
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workspace = cargo_toml.get('workspace') or workspace
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if 'package' in cargo_toml:
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packages[cargo_toml['package']['name']] = _GitPackage(
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path=os.path.normpath(root_dir),
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package=cargo_toml,
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workspace=workspace
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)
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for child in os.scandir(root_dir):
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if child.is_dir():
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# the workspace can be referenced by any subdirectory
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get_cargo_toml_packages(child.path, workspace)
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with workdir(git_repo_dir):
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get_cargo_toml_packages('.')
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assert packages, f"No packages found in {git_repo_dir}"
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logging.debug(
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'Packages in %s:\n%s',
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git_url,
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json.dumps(
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{k: v.path for k, v in packages.items()},
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indent=4,
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),
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)
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return packages
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_FlatpakSourceType = Dict[str, Any]
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async def get_git_repo_sources(
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url: str,
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commit: str,
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tarball: bool = False,
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) -> List[_FlatpakSourceType]:
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name = git_repo_name(url, commit)
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if tarball:
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tarball_url = get_git_tarball(url, commit)
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git_repo_sources = [{
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'type': 'archive',
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'archive-type': 'tar-gzip',
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'url': tarball_url,
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'sha256': await get_remote_sha256(tarball_url),
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'dest': f'{GIT_CACHE}/{name}',
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}]
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else:
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git_repo_sources = [{
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'type': 'git',
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'url': url,
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'commit': commit,
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'dest': f'{GIT_CACHE}/{name}',
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}]
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return git_repo_sources
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_GitRepo = TypedDict('_GitRepo', {'lock': asyncio.Lock, 'commits': Dict[str, _GitPackagesType]})
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_GitReposType = Dict[str, _GitRepo]
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_VendorEntryType = Dict[str, Dict[str, str]]
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async def get_git_package_sources(
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package: _TomlType,
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git_repos: _GitReposType,
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) -> Tuple[List[_FlatpakSourceType], _VendorEntryType]:
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name = package['name']
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source = package['source']
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commit = urlparse(source).fragment
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assert commit, 'The commit needs to be indicated in the fragement part'
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canonical = canonical_url(source)
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repo_url = canonical.geturl()
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git_repo = git_repos.setdefault(repo_url, {
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'commits': {},
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'lock': asyncio.Lock(),
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})
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async with git_repo['lock']:
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if commit not in git_repo['commits']:
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git_repo['commits'][commit] = await get_git_repo_packages(repo_url, commit)
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cargo_vendored_entry: _VendorEntryType = {
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repo_url: {
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'git': repo_url,
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'replace-with': VENDORED_SOURCES,
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}
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}
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rev = parse_qs(urlparse(source).query).get('rev')
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tag = parse_qs(urlparse(source).query).get('tag')
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branch = parse_qs(urlparse(source).query).get('branch')
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if rev:
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assert len(rev) == 1
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cargo_vendored_entry[repo_url]['rev'] = rev[0]
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elif tag:
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assert len(tag) == 1
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cargo_vendored_entry[repo_url]['tag'] = tag[0]
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elif branch:
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assert len(branch) == 1
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cargo_vendored_entry[repo_url]['branch'] = branch[0]
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logging.info("Adding package %s from %s", name, repo_url)
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git_pkg = git_repo['commits'][commit][name]
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pkg_repo_dir = os.path.join(GIT_CACHE, git_repo_name(repo_url, commit), git_pkg.path)
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git_sources: List[_FlatpakSourceType] = [
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{
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'type': 'shell',
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'commands': [
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f'cp -r --reflink=auto "{pkg_repo_dir}" "{CARGO_CRATES}/{name}"'
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],
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},
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{
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'type': 'inline',
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'contents': toml.dumps(git_pkg.normalized),
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'dest': f'{CARGO_CRATES}/{name}', #-{version}',
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'dest-filename': 'Cargo.toml',
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},
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{
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'type': 'inline',
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'contents': json.dumps({'package': None, 'files': {}}),
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'dest': f'{CARGO_CRATES}/{name}', #-{version}',
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'dest-filename': '.cargo-checksum.json',
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}
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]
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return (git_sources, cargo_vendored_entry)
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async def get_package_sources(
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package: _TomlType,
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cargo_lock: _TomlType,
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git_repos: _GitReposType,
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) -> Optional[Tuple[List[_FlatpakSourceType], _VendorEntryType]]:
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metadata = cargo_lock.get('metadata')
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name = package['name']
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version = package['version']
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if 'source' not in package:
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logging.debug('%s has no source', name)
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return None
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source = package['source']
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if source.startswith('git+'):
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return await get_git_package_sources(package, git_repos)
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key = f'checksum {name} {version} ({source})'
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if metadata is not None and key in metadata:
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checksum = metadata[key]
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elif 'checksum' in package:
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checksum = package['checksum']
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else:
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logging.warning(f'{name} doesn\'t have checksum')
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return None
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crate_sources = [
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{
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'type': 'archive',
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'archive-type': 'tar-gzip',
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'url': f'{CRATES_IO}/{name}/{name}-{version}.crate',
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'sha256': checksum,
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'dest': f'{CARGO_CRATES}/{name}-{version}',
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},
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{
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'type': 'inline',
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'contents': json.dumps({'package': checksum, 'files': {}}),
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'dest': f'{CARGO_CRATES}/{name}-{version}',
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'dest-filename': '.cargo-checksum.json',
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},
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]
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return (crate_sources, {'crates-io': {'replace-with': VENDORED_SOURCES}})
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async def generate_sources(
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cargo_lock: _TomlType,
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git_tarballs: bool = False,
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) -> List[_FlatpakSourceType]:
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# {
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# "git-repo-url": {
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# "lock": asyncio.Lock(),
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# "commits": {
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# "commit-hash": {
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# "package-name": "./relative/package/path"
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# }
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# }
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# }
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# }
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git_repos: _GitReposType = {}
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sources: List[_FlatpakSourceType] = []
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package_sources = []
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cargo_vendored_sources = {
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VENDORED_SOURCES: {'directory': f'{CARGO_CRATES}'},
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}
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pkg_coros = [get_package_sources(p, cargo_lock, git_repos) for p in cargo_lock['package']]
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for pkg in await asyncio.gather(*pkg_coros):
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if pkg is None:
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continue
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else:
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pkg_sources, cargo_vendored_entry = pkg
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package_sources.extend(pkg_sources)
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cargo_vendored_sources.update(cargo_vendored_entry)
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logging.debug('Adding collected git repos:\n%s', json.dumps(list(git_repos), indent=4))
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git_repo_coros = []
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for git_url, git_repo in git_repos.items():
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for git_commit in git_repo['commits']:
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git_repo_coros.append(get_git_repo_sources(git_url, git_commit, git_tarballs))
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sources.extend(sum(await asyncio.gather(*git_repo_coros), []))
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sources.extend(package_sources)
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logging.debug('Vendored sources:\n%s', json.dumps(cargo_vendored_sources, indent=4))
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sources.append({
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'type': 'inline',
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'contents': toml.dumps({
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'source': cargo_vendored_sources,
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}),
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'dest': CARGO_HOME,
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'dest-filename': 'config.toml'
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})
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return sources
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('cargo_lock', help='Path to the Cargo.lock file')
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parser.add_argument('-o', '--output', required=False, help='Where to write generated sources')
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parser.add_argument('-t', '--git-tarballs', action='store_true', help='Download git repos as tarballs')
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parser.add_argument('-d', '--debug', action='store_true')
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args = parser.parse_args()
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if args.output is not None:
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outfile = args.output
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else:
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outfile = 'generated-sources.json'
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if args.debug:
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loglevel = logging.DEBUG
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else:
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loglevel = logging.INFO
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logging.basicConfig(level=loglevel)
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generated_sources = asyncio.run(generate_sources(load_toml(args.cargo_lock),
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git_tarballs=args.git_tarballs))
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with open(outfile, 'w') as out:
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json.dump(generated_sources, out, indent=4, sort_keys=False)
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if __name__ == '__main__':
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main()
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