#!/bin/sh

m=$(git-rev-parse "master^0")
for branch
do
	b=$(git-rev-parse "$branch^0")
	case "$(git-merge-base --all "$b" "$m")" in
	"$m")
		echo >&2 "$branch: up to date"
		continue
		;;
	esac
	git-show-branch "$branch" master
	while :
	do
		echo -n >&2 "Rebase $branch [Y/n]? "
		read ans
		case "$ans" in
		[Yy]*)
			git rebase master "$branch" || exit
			break
			;;
		[Nn]*)
			echo >&2 "Not rebasing $branch"
			break
			;;
		*)
			echo >&2 "Sorry, I could not hear you"
			;;
		esac
	done
done