mercurial/copies.py

16167:94a8396c9305

        return _backwardcopies(x, y)
    return _chain(x, y, _backwardcopies(x, a), _forwardcopies(a, y))

def mergecopies(repo, c1, c2, ca, checkdirs=True):
    """
    Find moves and copies between context c1 and c2
    """
    # avoid silly behavior for update from empty dir
    if not c1 or not c2 or c1 == c2:
        return {}, {}

16168:7bbabfe25321

        return _backwardcopies(x, y)
    return _chain(x, y, _backwardcopies(x, a), _forwardcopies(a, y))

def mergecopies(repo, c1, c2, ca, checkdirs=True):
    """
    Find moves and copies between context c1 and c2 that are relevant
    for merging.

    Returns two dicts, "copy" and "diverge".

    "copy" is a mapping from source name -> destination name,
    where source is in c1 and destination is in c2 or vice-versa.

    "diverge" is a mapping of source name -> list of destination names
    for divergent renames.
    """
    # avoid silly behavior for update from empty dir
    if not c1 or not c2 or c1 == c2:
        return {}, {}