#!/bin/sh

for range in $(
	prev_branch=
	{
		git for-each-ref --format='%(refname)' refs/heads/maint-* |
		sed -e 's|^refs/heads/||'
		cat <<-EOF
		maint
		master
		next
		EOF
	} |
	while read branch
	do
		if test -n "$prev_branch"
		then
			echo "$branch..$prev_branch"
		fi
		prev_branch=$branch
	done
) pu..jch
do
	lg=$(git log --oneline "$range")
	if test -n "$lg"
	then
		echo "*** $range ***"
		echo "$lg"
	fi
done

git diff --stat next jch