85         in the current revision. That is: -1 means one column removed;

    85         in the current revision. That is: -1 means one column removed;

    86         0 means no columns added or removed; 1 means one column added.

    86         0 means no columns added or removed; 1 means one column added.

    87     """

    87     """

    88 

    88 

    89     assert start_rev >= stop_rev

    89     assert start_rev >= stop_rev

    91     revs = []

    90     revs = []

    92     filerev = len(repo.file(path)) - 1

    91     filerev = len(repo.file(path)) - 1

    93     while filerev >= 0:

    92     while filerev >= 0:

    94         fctx = repo.filectx(path, fileid=filerev)

    93         fctx = repo.filectx(path, fileid=filerev)

    95 

    94