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https://github.com/NixOS/nixpkgs.git
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59a94b57f0
To make updating large attribute sets faster, the update scripts are now run in parallel. Please note the following changes in semantics: - The string passed to updateScript needs to be a path to an executable file. - The updateScript can also be a list: the tail elements will then be passed to the head as command line arguments.
80 lines
2.7 KiB
Python
80 lines
2.7 KiB
Python
import argparse
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import concurrent.futures
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import json
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import os
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import subprocess
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import sys
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updates = {}
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def eprint(*args, **kwargs):
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print(*args, file=sys.stderr, **kwargs)
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def run_update_script(package):
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eprint(f" - {package['name']}: UPDATING ...")
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subprocess.run(package['updateScript'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, check=True)
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def main(max_workers, keep_going, packages):
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with open(sys.argv[1]) as f:
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packages = json.load(f)
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eprint()
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eprint('Going to be running update for following packages:')
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for package in packages:
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eprint(f" - {package['name']}")
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eprint()
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confirm = input('Press Enter key to continue...')
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if confirm == '':
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eprint()
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eprint('Running update for:')
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with concurrent.futures.ProcessPoolExecutor(max_workers=max_workers) as executor:
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for package in packages:
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updates[executor.submit(run_update_script, package)] = package
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for future in concurrent.futures.as_completed(updates):
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package = updates[future]
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try:
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future.result()
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eprint(f" - {package['name']}: DONE.")
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except subprocess.CalledProcessError as e:
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eprint(f" - {package['name']}: ERROR")
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eprint()
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eprint(f"--- SHOWING ERROR LOG FOR {package['name']} ----------------------")
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eprint()
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eprint(e.stdout.decode('utf-8'))
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with open(f"{package['pname']}.log", 'wb') as f:
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f.write(e.stdout)
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eprint()
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eprint(f"--- SHOWING ERROR LOG FOR {package['name']} ----------------------")
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if not keep_going:
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sys.exit(1)
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eprint()
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eprint('Packages updated!')
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sys.exit()
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else:
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eprint('Aborting!')
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sys.exit(130)
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parser = argparse.ArgumentParser(description='Update packages')
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parser.add_argument('--max-workers', '-j', dest='max_workers', type=int, help='Number of updates to run concurrently', nargs='?', default=4)
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parser.add_argument('--keep-going', '-k', dest='keep_going', action='store_true', help='Do not stop after first failure')
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parser.add_argument('packages', help='JSON file containing the list of package names and their update scripts')
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if __name__ == '__main__':
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args = parser.parse_args()
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try:
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main(args.max_workers, args.keep_going, args.packages)
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except (KeyboardInterrupt, SystemExit) as e:
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for update in updates:
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update.cancel()
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sys.exit(e.code if isinstance(e, SystemExit) else 130)
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