small script to prepare release notes / changelog from github milestones

prepare_changelog.sh

#!/bin/bash

# adapted from https://gist.github.com/joelittlejohn/5937573

if [ "$#" -ne 2 ]; then
    echo "Usage: ./generate-changelog.sh user/repo <username>"
    exit 1
fi

# read -s -p "@$2 password: " PASS
# echo ""

# read only public repo token
PASS="XXX"


IFS=$'\n'
echo "# Changelog"

# curl -s "https://$2:$PASS@api.github.com/repos/$1/milestones?state=closed"
# curl -s "https://$2:$PASS@api.github.com/repos/$1/milestones?state=all"
# curl -s "https://$2:$PASS@api.github.com/repos/$1/milestones"  # defaults to open only

for m in $(curl -s "https://$2:$PASS@api.github.com/repos/$1/milestones?state=all" | jq -c '.[] | [.title, .number]' | gsort -rV); do
    echo -e "\nProcessing milestone: $m..."
    echo $m | gsed 's/\["\(.*\)",.*\]/\n## \1/'
    mid=$(echo $m | gsed 's/.*,\(.*\)]/\1/')
    # curl -s "https://$2:$PASS@api.github.com/repos/$1/issues?milestone=$mid&state=closed"
    for page in 1 2 ; do
        for i in $(curl -s "https://$2:$PASS@api.github.com/repos/$1/issues?milestone=$mid&state=closed&per_page=100&page=$page" | jq -c '.[] | [.html_url, .number, .title]'); do
            echo $i | gsed 's/\["\(.*\)",\(.*\),\"\(.*\)\"\]/* \3\n  [#\2](\1)/' | gsed 's/\\"/"/g'
        done
    done
done

to work with this, just generate a personal access token (see https://github.com/settings/tokens , you don't need to tick any of the boxes, so it can only access public stuff) and replace the XXX above.