Git list branch switching history (kind of)

.gitconfig

[alias]
history = for-each-ref --sort=committerdate refs/heads/ --format='%(HEAD) %(color:yellow)%(refname:short)%(color:reset) - %(color:red)%(objectname:short)%(color:reset) - %(contents:subject) - %(authorname) (%(color:green)%(committerdate:relative)%(color:reset))'

git_previous_branch.sh

#!/bin/sh

#might also be invoked as `git checkout -`
git checkout @{-1}