git filter-branch 移除文件失败,为何?

[laomutuo]

git filter-branch --tree-filter 'rm vi.exe.stackdump' HEAD
Rewrite 2feb632f1d197973d4aef6912e7631b92c2a090d (1/970)rm: cannot remove 'vi.ex
tree filter failed: rm vi.exe.stackdump

ls vi.exe.stackdump
vi.exe.stackdump
文件就在当前目录啊,为何不能删除?

[harryhare]

rm -f ？