github

#!/usr/bin/env bash
#*******************************************************************************
# Copyright (c) 2020 Eclipse Foundation and others.
# This program and the accompanying materials are made available
# under the terms of the Eclipse Public License 2.0
# which is available at http://www.eclipse.org/legal/epl-v20.html,
# or the MIT License which is available at https://opensource.org/licenses/MIT.
# SPDX-License-Identifier: EPL-2.0 OR MIT
#*******************************************************************************

BTWD="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"
# shellcheck disable=SC1090
. "${BTWD}/_bootstrap.shsource"

releaseinfo() {
  local owner="${1}"
  local repo="${2}"
  local versiontag="${3:-latest}"
  local releaseinfo="${4:-}"

  if [[ ! -f ${releaseinfo} ]]; then
    releaseinfo=$(mktemp)
    rm -f "${releaseinfo}"
  fi

  if [[ "${versiontag}" = "latest" ]]; then
    "${BTWD}/download" withcache "https://api.github.com/repos/${owner}/${repo}/releases/${versiontag}" "${releaseinfo}"
  else
    "${BTWD}/download" withcache "https://api.github.com/repos/${owner}/${repo}/releases/tags/${versiontag}" "${releaseinfo}"
  fi

  if [[ -f "${releaseinfo}" ]]; then
    cat "${releaseinfo}"
    rm -f "${releaseinfo}"
  else
    ERROR "unable to retrieve release info for '${owner}/${repo}' version '${versiontag}'"
    rm -f "${releaseinfo}"
    return 1
  fi
}

asset_url() {
  local name_regex="${1}"
  local owner="${2}"
  local repo="${3}"
  local versiontag="${4:-latest}"
  releaseinfo "${owner}" "${repo}" "${versiontag}" | jq -r '.assets[] | select(.name | test("'"${name_regex}"'")) | .browser_download_url'
}

download_asset() {
  local target="${1}"
  local name_regex="${2}"
  local owner="${3}"
  local repo="${4}"
  local versiontag="${5:-latest}"

  "${BTWD}/download" withcache "$(asset_url "${name_regex}" "${owner}" "${repo}" "${versiontag}")" "${target}"
}

# shellcheck disable=SC2068
$@