fetch_github_release_asset_url.sh

#!/bin/bash

# Usage:
# REPO='cli/cli' /bin/bash -c "$(curl -fsSL https://gist.githubusercontent.com/timgreen/8e16f5a3549f2e902ecd8fa6813beba0/raw)"
# or
# REPO='cli/cli' /bin/bash -c "$(curl -fsSL https://tinyurl.com/mrx345m6)"


# ENV
# - REPO
#   e.g. 'cli/cli'
# - ASSET_PATTERN
#   optional, default to all asset
#   e.g. '.' for all, '.+.jar' for jar files only
# - TAG
#   optional, default to 'latest'

curl -s https://api.github.com/repos/${REPO}/releases/${TAG:-latest} | \
  jq -r '.assets[] | select(.name|match("'${ASSET_PATTERN:-.}'")) | .browser_download_url'