#!/bin/bash ( echo '# Changes' echo '' git log --first-parent --pretty=format:'%s' \ | grep -v '^update changelog' \ | perl -p -e 's/^((v?[0-9]+\.?)+)$/\n## \1\n/g' \ | perl -p -e 's/^([^#\s].*)$/* \1/g' )> CHANGELOG.md