TBC
Only use reset if haven't already pushed to remote as it removes commit history which will effect other developers working on the same repo. Use revert instead.
[resets to state of last commit, removes changes to working tree and removes files from stage]
git reset --hard
[resets to state of named commit , removes changes to working tree and removes files from stage]
git log --oneline
git reset --hard <commit-id>
[retains state of working tree and removes files from stage]
git reset
[defaults implicitly git reset --mixed HEAD ]
[resets to state of named commit , retains state of working tree and removes files from stage]
git log --oneline
git reset --mixed <commit-id>
[resets to state of named commit , retains state of working tree and staging area]
git log --oneline
git reset --soft <commit-id>
[undo last commit, maintain state of working tree]
git reset --soft HEAD~1
[undo resets]
git reflog
git reset HEAD@{1}
[returns to commit before the reset to the named commit was made]
[reset branch to state it was a specified number of minutes past]
git reset --hard <branch>@{“n Minutes ago”}
git reset --hard master@{"5 Minutes ago"}
https://www.w3docs.com/snippets/git/how-to-undo-git-reset.html