brew install --zsh-completion git-now
% git init
% touch git-now.txt
% git add .
% git commit -m "initial commit"
% echo 1 >> git-now.txt
% git now
% echo 2 >> git-now.txt
% git now
% git now rebase
pick 3b3c0e2 [from now] 2013/02/28 09:24:49
pick 446f3b5 [from now] 2013/02/28 09:25:13
e 3b3c0e2 [from now] 2013/02/28 09:24:49
f 446f3b5 [from now] 2013/02/28 09:25:13
% git commit --amend -m "edit git-now.txt"
% git rebase --continue
https://github.com/toshi-kawanishi/git-now
http://www.backlog.jp/git-guide/stepup/stepup7_6.html