229 lines
9.5 KiB
Python
229 lines
9.5 KiB
Python
from __future__ import annotations
|
||
from typing import Dict, Generator, List, Optional, Tuple
|
||
import argparse
|
||
import asyncio
|
||
import contextlib
|
||
import json
|
||
import os
|
||
import re
|
||
import subprocess
|
||
import sys
|
||
import tempfile
|
||
|
||
class CalledProcessError(Exception):
|
||
process: asyncio.subprocess.Process
|
||
|
||
def eprint(*args, **kwargs):
|
||
print(*args, file=sys.stderr, **kwargs)
|
||
|
||
async def check_subprocess(*args, **kwargs):
|
||
"""
|
||
Emulate check argument of subprocess.run function.
|
||
"""
|
||
process = await asyncio.create_subprocess_exec(*args, **kwargs)
|
||
returncode = await process.wait()
|
||
|
||
if returncode != 0:
|
||
error = CalledProcessError()
|
||
error.process = process
|
||
|
||
raise error
|
||
|
||
return process
|
||
|
||
async def run_update_script(nixpkgs_root: str, merge_lock: asyncio.Lock, temp_dir: Optional[Tuple[str, str]], package: Dict, keep_going: bool):
|
||
worktree: Optional[str] = None
|
||
|
||
update_script_command = package['updateScript']
|
||
|
||
if temp_dir is not None:
|
||
worktree, _branch = temp_dir
|
||
|
||
# Ensure the worktree is clean before update.
|
||
await check_subprocess('git', 'reset', '--hard', '--quiet', 'HEAD', cwd=worktree)
|
||
|
||
# Update scripts can use $(dirname $0) to get their location but we want to run
|
||
# their clones in the git worktree, not in the main nixpkgs repo.
|
||
update_script_command = map(lambda arg: re.sub(r'^{0}'.format(re.escape(nixpkgs_root)), worktree, arg), update_script_command)
|
||
|
||
eprint(f" - {package['name']}: UPDATING ...")
|
||
|
||
try:
|
||
update_process = await check_subprocess('env', f"UPDATE_NIX_ATTR_PATH={package['attrPath']}", *update_script_command, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE, cwd=worktree)
|
||
update_info = await update_process.stdout.read()
|
||
|
||
await merge_changes(merge_lock, package, update_info, temp_dir)
|
||
except KeyboardInterrupt as e:
|
||
eprint('Cancelling…')
|
||
raise asyncio.exceptions.CancelledError()
|
||
except CalledProcessError as e:
|
||
eprint(f" - {package['name']}: ERROR")
|
||
eprint()
|
||
eprint(f"--- SHOWING ERROR LOG FOR {package['name']} ----------------------")
|
||
eprint()
|
||
stderr = await e.process.stderr.read()
|
||
eprint(stderr.decode('utf-8'))
|
||
with open(f"{package['pname']}.log", 'wb') as logfile:
|
||
logfile.write(stderr)
|
||
eprint()
|
||
eprint(f"--- SHOWING ERROR LOG FOR {package['name']} ----------------------")
|
||
|
||
if not keep_going:
|
||
raise asyncio.exceptions.CancelledError()
|
||
|
||
@contextlib.contextmanager
|
||
def make_worktree() -> Generator[Tuple[str, str], None, None]:
|
||
with tempfile.TemporaryDirectory() as wt:
|
||
branch_name = f'update-{os.path.basename(wt)}'
|
||
target_directory = f'{wt}/nixpkgs'
|
||
|
||
subprocess.run(['git', 'worktree', 'add', '-b', branch_name, target_directory])
|
||
yield (target_directory, branch_name)
|
||
subprocess.run(['git', 'worktree', 'remove', '--force', target_directory])
|
||
subprocess.run(['git', 'branch', '-D', branch_name])
|
||
|
||
async def commit_changes(name: str, merge_lock: asyncio.Lock, worktree: str, branch: str, changes: List[Dict]) -> None:
|
||
for change in changes:
|
||
# Git can only handle a single index operation at a time
|
||
async with merge_lock:
|
||
await check_subprocess('git', 'add', *change['files'], cwd=worktree)
|
||
commit_message = '{attrPath}: {oldVersion} → {newVersion}'.format(**change)
|
||
if 'commitMessage' in change:
|
||
commit_message = change['commitMessage']
|
||
elif 'commitBody' in change:
|
||
commit_message = commit_message + '\n\n' + change['commitBody']
|
||
await check_subprocess('git', 'commit', '--quiet', '-m', commit_message, cwd=worktree)
|
||
await check_subprocess('git', 'cherry-pick', branch)
|
||
|
||
async def check_changes(package: Dict, worktree: str, update_info: str):
|
||
if 'commit' in package['supportedFeatures']:
|
||
changes = json.loads(update_info)
|
||
else:
|
||
changes = [{}]
|
||
|
||
# Try to fill in missing attributes when there is just a single change.
|
||
if len(changes) == 1:
|
||
# Dynamic data from updater take precedence over static data from passthru.updateScript.
|
||
if 'attrPath' not in changes[0]:
|
||
# update.nix is always passing attrPath
|
||
changes[0]['attrPath'] = package['attrPath']
|
||
|
||
if 'oldVersion' not in changes[0]:
|
||
# update.nix is always passing oldVersion
|
||
changes[0]['oldVersion'] = package['oldVersion']
|
||
|
||
if 'newVersion' not in changes[0]:
|
||
attr_path = changes[0]['attrPath']
|
||
obtain_new_version_process = await check_subprocess('nix-instantiate', '--expr', f'with import ./. {{}}; lib.getVersion {attr_path}', '--eval', '--strict', '--json', stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE, cwd=worktree)
|
||
changes[0]['newVersion'] = json.loads((await obtain_new_version_process.stdout.read()).decode('utf-8'))
|
||
|
||
if 'files' not in changes[0]:
|
||
changed_files_process = await check_subprocess('git', 'diff', '--name-only', 'HEAD', stdout=asyncio.subprocess.PIPE, cwd=worktree)
|
||
changed_files = (await changed_files_process.stdout.read()).splitlines()
|
||
changes[0]['files'] = changed_files
|
||
|
||
if len(changed_files) == 0:
|
||
return []
|
||
|
||
return changes
|
||
|
||
async def merge_changes(merge_lock: asyncio.Lock, package: Dict, update_info: str, temp_dir: Optional[Tuple[str, str]]) -> None:
|
||
if temp_dir is not None:
|
||
worktree, branch = temp_dir
|
||
changes = await check_changes(package, worktree, update_info)
|
||
|
||
if len(changes) > 0:
|
||
await commit_changes(package['name'], merge_lock, worktree, branch, changes)
|
||
else:
|
||
eprint(f" - {package['name']}: DONE, no changes.")
|
||
else:
|
||
eprint(f" - {package['name']}: DONE.")
|
||
|
||
async def updater(nixpkgs_root: str, temp_dir: Optional[Tuple[str, str]], merge_lock: asyncio.Lock, packages_to_update: asyncio.Queue[Optional[Dict]], keep_going: bool, commit: bool):
|
||
while True:
|
||
package = await packages_to_update.get()
|
||
if package is None:
|
||
# A sentinel received, we are done.
|
||
return
|
||
|
||
if not ('commit' in package['supportedFeatures'] or 'attrPath' in package):
|
||
temp_dir = None
|
||
|
||
await run_update_script(nixpkgs_root, merge_lock, temp_dir, package, keep_going)
|
||
|
||
async def start_updates(max_workers: int, keep_going: bool, commit: bool, packages: List[Dict]):
|
||
merge_lock = asyncio.Lock()
|
||
packages_to_update: asyncio.Queue[Optional[Dict]] = asyncio.Queue()
|
||
|
||
with contextlib.ExitStack() as stack:
|
||
temp_dirs: List[Optional[Tuple[str, str]]] = []
|
||
|
||
# Do not create more workers than there are packages.
|
||
num_workers = min(max_workers, len(packages))
|
||
|
||
nixpkgs_root_process = await check_subprocess('git', 'rev-parse', '--show-toplevel', stdout=asyncio.subprocess.PIPE)
|
||
nixpkgs_root = (await nixpkgs_root_process.stdout.read()).decode('utf-8').strip()
|
||
|
||
# Set up temporary directories when using auto-commit.
|
||
for i in range(num_workers):
|
||
temp_dir = stack.enter_context(make_worktree()) if commit else None
|
||
temp_dirs.append(temp_dir)
|
||
|
||
# Fill up an update queue,
|
||
for package in packages:
|
||
await packages_to_update.put(package)
|
||
|
||
# Add sentinels, one for each worker.
|
||
# A workers will terminate when it gets sentinel from the queue.
|
||
for i in range(num_workers):
|
||
await packages_to_update.put(None)
|
||
|
||
# Prepare updater workers for each temp_dir directory.
|
||
# At most `num_workers` instances of `run_update_script` will be running at one time.
|
||
updaters = asyncio.gather(*[updater(nixpkgs_root, temp_dir, merge_lock, packages_to_update, keep_going, commit) for temp_dir in temp_dirs])
|
||
|
||
try:
|
||
# Start updater workers.
|
||
await updaters
|
||
except asyncio.exceptions.CancelledError as e:
|
||
# When one worker is cancelled, cancel the others too.
|
||
updaters.cancel()
|
||
|
||
def main(max_workers: int, keep_going: bool, commit: bool, packages_path: str) -> None:
|
||
with open(packages_path) as f:
|
||
packages = json.load(f)
|
||
|
||
eprint()
|
||
eprint('Going to be running update for following packages:')
|
||
for package in packages:
|
||
eprint(f" - {package['name']}")
|
||
eprint()
|
||
|
||
confirm = input('Press Enter key to continue...')
|
||
if confirm == '':
|
||
eprint()
|
||
eprint('Running update for:')
|
||
|
||
asyncio.run(start_updates(max_workers, keep_going, commit, packages))
|
||
|
||
eprint()
|
||
eprint('Packages updated!')
|
||
sys.exit()
|
||
else:
|
||
eprint('Aborting!')
|
||
sys.exit(130)
|
||
|
||
parser = argparse.ArgumentParser(description='Update packages')
|
||
parser.add_argument('--max-workers', '-j', dest='max_workers', type=int, help='Number of updates to run concurrently', nargs='?', default=4)
|
||
parser.add_argument('--keep-going', '-k', dest='keep_going', action='store_true', help='Do not stop after first failure')
|
||
parser.add_argument('--commit', '-c', dest='commit', action='store_true', help='Commit the changes')
|
||
parser.add_argument('packages', help='JSON file containing the list of package names and their update scripts')
|
||
|
||
if __name__ == '__main__':
|
||
args = parser.parse_args()
|
||
|
||
try:
|
||
main(args.max_workers, args.keep_going, args.commit, args.packages)
|
||
except KeyboardInterrupt as e:
|
||
# Let’s cancel outside of the main loop too.
|
||
sys.exit(130)
|