comparison mercurial/upgrade_utils/auto_upgrade.py @ 49200:71774d799de7

auto-upgrade: skip the operation if the repository cannot be locked

This seems like a fine default behavior for now. If some users wants something
more aggressive we can make the behavior configurable in the future.

Differential Revision: https://phab.mercurial-scm.org/D12619

49199:575f3dedb69a

    """
    clear = False

    loop = 0

    while not clear:
        loop += 1
        if loop > 100:
            # XXX basic protection against infinite loop, make it better.
            raise error.ProgrammingError("Too many auto upgrade loops")
        clear = True
        for get_action in AUTO_UPGRADE_ACTIONS:
            action = get_action(repo)
            if action is not None:
                clear = False
                with repo.wlock(wait=False), repo.lock(wait=False):
                    action = get_action(repo)
                    if action is not None:
                        action()
                    repo = maker_func()
    return repo

49200:71774d799de7

    """
    clear = False

    loop = 0

    try:
        while not clear:
            loop += 1
            if loop > 100:
                # XXX basic protection against infinite loop, make it better.
                raise error.ProgrammingError("Too many auto upgrade loops")
            clear = True
            for get_action in AUTO_UPGRADE_ACTIONS:
                action = get_action(repo)
                if action is not None:
                    clear = False
                    with repo.wlock(wait=False), repo.lock(wait=False):
                        action = get_action(repo)
                        if action is not None:
                            action()
                        repo = maker_func()
    except error.LockError:
        # if we cannot get the lock, ignore the auto-upgrade attemps and
        # proceed. We might want to make this behavior configurable in the
        # future.
        pass

    return repo