6.11 Resetting
Also see the git-reset(1) manpage.
x     (magit-reset-quickly)​
Reset the HEAD and index to some commit read from the user and defaulting to the commit at point, and possibly also reset the working tree. With a prefix argument reset the working tree otherwise don’t.
X m     (magit-reset-mixed)​
Reset the HEAD and index to some commit read from the user and defaulting to the commit at point. The working tree is kept as-is.
X s     (magit-reset-soft)​
Reset the HEAD to some commit read from the user and defaulting to the commit at point. The index and the working tree are kept as-is.
X h     (magit-reset-hard)​
Reset the HEAD, index, and working tree to some commit read from the user and defaulting to the commit at point.
X k     (magit-reset-keep)​
Reset the HEAD, index, and working tree to some commit read from the user and defaulting to the commit at point. Uncommitted changes are kept as-is.
X i     (magit-reset-index)​
Reset the index to some commit read from the user and defaulting to the commit at point. Keep the HEAD and working tree as-is, so if the commit refers to the HEAD, then this effectively unstages all changes.
X w     (magit-reset-worktree)​
Reset the working tree to some commit read from the user and defaulting to the commit at point. Keep the HEAD and index as-is.
X f     (magit-file-checkout)​
Update file in the working tree and index to the contents from a revision. Both the revision and file are read from the user.