check

#!/bin/bash

set -ueo pipefail

exec 3>&1 # make stdout available as fd 3 for the result
exec 1>&2 # redirect all output to stderr for logging

payload=$(cat <&0)

source_family=$(jq -r '.source.family // empty' <<< "${payload}")
if [[ -z "${source_family}" ]]; then
    echo >&2 "Source parameter 'family' is missing"
    exit 1
fi

directory="${source_family}"
if [[ "${source_family}" == 0.9.* ]]; then
    directory="0.9.x"
fi

if ! curl --head --silent --fail \
        --url "https://artfiles.org/openssl.org/source/old/${directory}/" \
        > /dev/null
then
    >&2 echo "Unknown openssl version family '${source_family}'"
    exit 1
fi

>&2 echo "Looking up versions of openssl '${source_family}'"
latest_version=$(
    (
        curl --silent --fail --show-error --location \
                --url "https://artfiles.org/openssl.org/source/old/${directory}/" \
            | sed -nEe 's/^.*href="openssl-([0-9.]+[a-z]{0,2})\.tar\.gz">.*/\1/p'
        curl --silent --fail --show-error --location \
                --url "https://artfiles.org/openssl.org/source/" \
            | sed -nEe 's/^.*href="openssl-([0-9.]+[a-z]{0,2})\.tar\.gz">.*/\1/p'
    ) \
        | grep --color="never" -F "${source_family}" \
        | sort --version-sort \
        | tail --lines="1"
)

>&2 echo "Latest version ${latest_version}"

jq --null-input \
    --arg "version" "${latest_version}" \
    '[ { version: $version } ]' \
    >&3