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4cdb2c3165
This was previously implemented by creating the local state dir within the global state dir (using a hash of the path in the name). This moves the |mach try again| history state to the new local state dir. It also updates the migration code to be a little more robust, ensuring we don't accidentally lose people's history. This migration should be removed at some point in the future (2020 seemed like a safe enough window). Differential Revision: https://phabricator.services.mozilla.com/D15725 --HG-- extra : moz-landing-system : lando
91 lines
2.7 KiB
Python
91 lines
2.7 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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from __future__ import absolute_import, print_function, unicode_literals
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import hashlib
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import json
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import os
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import shutil
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from mozboot.util import get_state_dir
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from ..cli import BaseTryParser
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from ..push import push_to_try, history_path, build
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class AgainParser(BaseTryParser):
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name = 'again'
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arguments = [
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[['--index'],
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{'default': 0,
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'type': int,
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'help': "Index of entry in the history to re-push, "
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"where '0' is the most recent (default 0). "
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"Use --list to display indices.",
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}],
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[['--list'],
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{'default': False,
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'action': 'store_true',
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'dest': 'list_configs',
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'help': "Display history and exit",
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}],
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[['--purge'],
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{'default': False,
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'action': 'store_true',
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'help': "Remove all history and exit",
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}],
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]
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common_groups = ['push']
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def migrate_old_history():
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"""Try to move existing history files from the old locations
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to the new one.
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"""
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old_history_dir = os.path.join(get_state_dir(), 'history')
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topsrcdir_hash = hashlib.sha256(os.path.abspath(build.topsrcdir)).hexdigest()
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old_history_paths = filter(os.path.isfile, [
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os.path.join(old_history_dir, topsrcdir_hash, 'try_task_configs.json'),
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os.path.join(old_history_dir, 'try_task_configs.json'),
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])
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for path in old_history_paths:
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if os.path.isfile(history_path):
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break
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history_dir = os.path.dirname(history_path)
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if not os.path.isdir(history_dir):
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os.makedirs(history_dir)
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shutil.move(path, history_path)
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if os.path.isdir(old_history_dir):
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shutil.rmtree(old_history_dir)
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def run_try_again(index=0, purge=False, list_configs=False, message='{msg}', **pushargs):
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# TODO: Remove after January 1st, 2020.
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migrate_old_history()
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if purge:
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os.remove(history_path)
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return
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if not os.path.isfile(history_path):
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print("error: history file not found: {}".format(history_path))
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return 1
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with open(history_path, 'r') as fh:
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history = fh.readlines()
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if list_configs:
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for i, data in enumerate(history):
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msg, config = json.loads(data)
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print('{}. {}'.format(i, msg))
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return
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msg, try_task_config = json.loads(history[index])
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return push_to_try('again', message.format(msg=msg),
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try_task_config=try_task_config, **pushargs)
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