download eups manifest file and strip it down to just the package name and git sha1

eups_manifest.sh

strip_manifest() {
  local manifest_id=${1?manifest id is required}

  local base_url='https://raw.githubusercontent.com/lsst/versiondb/master/manifests'

  curl -sSL "${base_url}/${manifest_id}.txt" \
    | awk '{ print $1 " " $2 }' \
    | sort > "${manifest_id}-sha1.txt"
}