[alias]
  ci = commit
  st = status
  co = checkout
  lc = log ORIG_HEAD.. --stat --no-merges
  sb = show-branch
  mg = merge
  wu = log origin/master..
  pop = reset head^
  squish = commit -a --amend -C HEAD
  wup = log -p origin/master..
  save = stash && git-stash apply
  onup = !zsh ~/bin/rebase-branches
 
....
 
$ cat ~/bin/rebase-branches
 
 #!/opt/local/bin/zsh
 
function branches-to-rebase {
  git branch | grep -v master
}
 
for branch in `branches-to-rebase`
do
git checkout $branch; 
git rebase master;
git checkout master
done