SHELL

git revert merge

git revert -m 1 <merge-commit>

revert last merge git

git revert -m 1 commit_hash

git revert merge commit

// In this situation, will get you the tree as it was in 8989ee0
git revert <commit hash> -m 1 

//will reinstate the tree as it was in 7c6b236
git revert -m 2

how to undo a merge in git

git reset --merge a9fdeb5