How to know which branch a “git log” commit belongs to?

Question

If I do git log, is there any parameter I could specify to be able to tell from the output which branch every commit belongs to?

Edit: to clarify, I und

Answer 1

Have you tried the "--decorate" option to git log?

I have this alias in my .gitconfig:

[alias]
        k = log --graph --oneline --abbrev-commit  --decorate

It shows a similar graph as the one shown by gitk, with the branch names "decorated" besides the most recent commit in the branch.