#!/bin/sh set -eu sed '/^ -- .* /{ s/^\( -- .* \).*$/\1'"$(LC_ALL='POSIX' date \ '+%a, %d %b %Y %H:%M:%S %z')"'/; :l; n; b l; };' changelog >changelog~ mv changelog~ changelog git commit -m "changelog: Release $(sed '1s/^\(.*\) (\(.*\)) .*$/\1 \2/; q;' \ changelog)" -- changelog