git merge-tree "git merge-base branch_1 branch_2" branch_1 branch_2 | grep -A3 "changed in both"
git log --oneline --decorate --all --graph
for fun
git merge-tree "git merge-base branch_1 branch_2" branch_1 branch_2 | grep -A3 "changed in both"
git log --oneline --decorate --all --graph
for fun