tpope/vim-eunuch — pull request #3 by pydave (2012-07-29 03:32:01+00:00)
Title: Warn if Rename fails to delete the original file

When Renaming a file, report an error if delete() returns failure
(nonzero). When the user asks for a move but we do a copy, we should
tell them that we didn't do what they expected.