roll back one commit code example

Example 1: revert git commit

git revert <the_commit_hash>

Example 2: git how to roll back to a commit

//git use a new commit to replace an old commit,commit moves foward not backward
git revert <commit hash>
//Git goes back one spot on the log,undone this commit and go backward one commit:
git reset HEAD~1
//Git looks for and rolls back to a certain file:
git checkout commit-hash-here -- file/location/and/name

Example 3: get back some commits git

git revert {commit_id}'