am-apt-update

#!/bin/bash
set -o errexit      # -e, exit if error occurs
set -o nounset      # -u, treat unset variables and parameters as an error
set -o pipefail     # fail if pipe failed
# set -x
#
_curl () {
	set +o nounset
	if [ -n "${3}" ]; then echo "Getting - ${3}"; fi
	set -o nounset
	set +o errexit
	curl -sL -f -o "${2}" "${1}"
	_curlError="$?"
	set -o errexit
	if [ "${_curlError}" -ne 0 ]; then
		echo "Curl Error - ${3:-${1}}"
	fi
}
#
get_distros () {
	_distros=$( curl -sL "https://github.com/forwardcomputers/forwardcomputers.github.io/raw/main/distros.json" )
}
#
get_packages () {
	_apt="${GITHUB_WORKSPACE}/apt"
	_tmp="${GITHUB_WORKSPACE}/tmp_apt"
	mkdir -p "${_tmp}" "${_apt}"
	pushd "${_apt}" >/dev/null
	rm -rf "${_tmp}"/*
	touch apt.json

	for i in $( jq -r '. | select( .distro=="apt" ).name' <<< "${_distros}" ); do
		_old_version=$( jq -r --arg _name "${i}" '. | select ( .name==$_name ).version' apt.json )
		if [ -z "${_old_version}" ]; then
			jq -c -n --arg _name "${i}" '{name: $_name, version: "0.0"}' >> apt.json
      _old_version="0.0"
		fi
		_new_version=$( jq -r --arg _name "${i}" '. | select( .distro=="apt" and .name==$_name ).version' <<< $_distros )
		if [ -z "${_new_version##[0-9]*}" ]; then
			if [ "${_new_version}" != "${_old_version}" ]; then
				_curl $( jq -r --arg _name "${i}" '. | select( .distro=="apt" and .name==$_name ).url' <<< $_distros ) "${_tmp}/${i}.deb" "${i} ${_new_version}"
				chmod -R u+rwx,go+rx,go-w "${_tmp}"/*
				rm -rf "${i}.deb"
				mv -f "${_tmp}"/* .
				jq -r -c --arg _name "${i}" --arg _version "${_new_version}" '. | select ( .name==$_name ).version=$_version' apt.json > apt.json~
				mv -f apt.json~ apt.json
				dpkg-scanpackages -m . > Packages
			fi
		else
			echo "Error - ${i} ${_new_version}"
		fi
	done

	popd >/dev/null
	rm -rf "${_tmp}"
}
#
get_distros
get_packages