Pretty git branch graphs

Question

I\'ve seen some books and articles have some really pretty looking graphs of git branches and commits. How can I make high-quality printable images of git history?

Answer 1

Many of the answers here are great, but for those that just want a simple one line to the point answer without having to setup aliases or anything extra, here it is:

git log --all --decorate --oneline --graph

Not everyone would be doing a git log all the time, but when you need it just remember:

"A Dog" = git log --all --decorate --oneline --graph