#!/bin/bash

TOPDIR=$(pwd)
changelog=${TOPDIR}/changelog_${device}_${version}.md

declare -A before
tmp=($(repo forall -c 'echo "${REPO_PATH}:$(git rev-parse HEAD)"'))
for i in "${tmp[@]}"; do
    IFS=: read -r folder commit <<<"${i}"
    before[${folder}]=${commit}
done

repo sync -q -c -j 6 --fail-fast --force-sync --no-tags

echo -e "# Build $(date '+%Y-%m-%d %H:%M:%S') UTC\n" >>"${changelog}"

tmp=($(repo forall -c 'echo "${REPO_PATH}:$(git rev-parse HEAD)"'))
for i in "${tmp[@]}"; do
    IFS=: read -r folder commit <<<"${i}"
    if [[ "${before[${folder}]}" != "${commit}" ]]; then
        cd ${folder}
        {
            echo "## ${folder}"
            git --no-pager log --pretty=format:"- %s" "${before[${folder}]}".."${commit}"
            echo
        } >>"${changelog}"
        cd ${TOPDIR}
    fi
done
echo -e "\n" >>"${changelog}"
cat "${changelog}"