I recently screwed up a git rebase -i, and so I wanted to do a git reset --hard HEAD@{5}.

However, doing a git reset --hard HEAD@{5} or git log HEAD@{5} caused the following error message to be shown:

fatal: ambiguous argument 'HEAD@{5}': unknown revision or path not in the working tree.

Then, I decided to specify the hash key corresponding to HEAD@{5} shown in git reflog instead. For instance: 

git reset --hard e8be841

In doing so, was there any risk screwing up the git repository or doing something unexpected?

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