how to git revert a merge code example
Example 1: undo a git merge
git reset --hard HEAD~1
git reset --hard <commit_sha>
Example 2: git undo merge
git reset --hard HEAD~1
Example 3: revert last merge git
git revert -m 1 commit_hash
git reset --hard HEAD~1
git reset --hard <commit_sha>
git reset --hard HEAD~1
git revert -m 1 commit_hash