mercurial/commands.py

11451:51021f4c80b5

    If no revision is specified, the working directory's parent is a
    head revision, and the current branch contains exactly one other
    head, the other head is merged with by default. Otherwise, an
    explicit revision with which to merge with must be provided.

    Returns 0 on success, 1 if there are unresolved files.
    """

    if opts.get('rev') and node:

11452:eac141407b85

    If no revision is specified, the working directory's parent is a
    head revision, and the current branch contains exactly one other
    head, the other head is merged with by default. Otherwise, an
    explicit revision with which to merge with must be provided.

    To undo an uncommitted merge, use :hg:`update --clean .` which
    will check out a clean copy of the original merge parent, losing
    all changes.

    Returns 0 on success, 1 if there are unresolved files.
    """

    if opts.get('rev') and node: