gen-changelog.sh

#!/usr/bin/env bash

# Waku-2 CC BY-SA 3.0
# https://stackoverflow.com/a/46033999
# https://creativecommons.org/licenses/by-sa/3.0/

previous_tag=0
i=0

echo '<!--#include virtual="/includes/pre_header.shtml" -->'

for current_tag in $(git tag --sort=-creatordate)
do

if [ "$previous_tag" != 0 ] &&  [ $i -lt 1 ]; then
    i=$(echo "$i + 1" | bc -q )
    tag_date=$(git log -1 --pretty=format:'%ad' --date=short ${previous_tag})
    printf "## ${previous_tag} (${tag_date})\n\n"
    git log ${current_tag}...${previous_tag} --pretty=format:'*  %s ' --reverse | grep -v Merge
    printf "\n\n"
fi
previous_tag=${current_tag}
done

echo '<!--#include virtual="/includes/pre_footer.shtml" -->'