install.sh

#!/usr/bin/env bash
#{{{ Bash settings
set -o errexit   # abort on nonzero exit status
set -o nounset   # abort on unbound variable
set -o pipefail  # don't hide errors within pipes
set -o errtrace  # ERR trap is inherited by shell functions
# set -o xtrace    # show commands as they are executed
#}}}

main() {

  trap exit_stage_left EXIT ERR # Elegant exit
  install
}

exit_stage_left() {

  unset CURRENT_USER_BIN user_id user_name script_mode
  printf "\n%s\n" "Bye!"

}

install() {

  local CURRENT_USER_BIN
  local user_id
  local user_name
  local script_mode
  local xidel_url

  CURRENT_USER_BIN="${HOME}/.local/bin"
  user_id="$(id --user)"
  user_name="$(id --user --name)"
  script_mode="740"
  xidel_url="https://gitlab.com/msmafra/proton-get/-/raw/master/xidel"

  if [[ "${user_id}" -ne 0 ]];then

    curl --silent --show-error --location "${xidel_url}" --output "${CURRENT_USER_BIN}"/proton-get
    install --verbose -D -C --mode="${script_mode}" --owner="${user_name}" --group="${user_name}" "${CURRENT_USER_BIN}"/proton-get --target-directory="${CURRENT_USER_BIN}"
    exit 0

  fi

}

main "${@}"