error: Your local changes to the following files would be overwritten by checkout:

別ブランチに移動しようとしたときにこんなエラーに遭遇する

error: Your local changes to the following files would be overwritten by checkout:
hoge.hoge
Please, commit your changes or stash them before you can switch branches.
Aborting

stashするかcommitせえよ、って話だ