How do I swap the order of two parents of a Git commit?

Question

A merge commit is a commit with at least two parents. These parents are in specific order.

If I\'m currently on the branch master, and I merge in the br

Answer 1

Actualy, there's a really cool command I learned recently that will do exactly what you want:

git commit-tree -p HEAD^2 -p HEAD^1 -m "Commit message" "HEAD^{tree}" 

This will create a new commit based on what is currently HEAD, but pretend that it's parents were HEAD^2,HEAD^1 (note this is the reversed order).

git-commit-tree prints the new revision as output, so you might combine it with a git-reset-hard:

git reset --hard $(git commit-tree -p HEAD^2 -p HEAD^1 -m "New commit message" "HEAD^{tree}")