youtubedr updater

youtubedr-update

#! /usr/bin/env bash

set -euo pipefail

executable="youtubedr"
executable_dir="$(dirname -- "$(which $executable)")"
repo="kkdai/youtube"
release_url="https://api.github.com/repos/$repo/releases/latest"
cur_version="$($executable version | grep '^Version:' | awk '{print $2}')"
new_version_raw="$(curl -sL "$release_url" | jq -r .tag_name)"
new_version="${new_version_raw:1}" # remove 'v'
tmp_dir=$(mktemp -d)

case "$(uname -m)" in
  x86_64)  arch="amd64" ;;
  arm64)   arch="arm64" ;;
  *)       echo "Unsupported architecture: $(uname -m). Aborting"; exit ;;
esac

case "$OSTYPE" in
  darwin*) os="darwin" ;;
  linux*)  os="linux" ;;
  bsd*)    os="freebsd" ;;
  *)       echo "Unsupported OS: ${OSTYPE}. Aborting"; exit ;;
esac


_update() {
  jq_expr=".assets[].browser_download_url | select(endswith(\"${os}_${arch}.tar.gz\"))"
  link="$(curl -sL "$release_url" | jq -r "$jq_expr")"
  archive_path="${tmp_dir}/$(basename -- "$link")"

  curl -sL -o "$archive_path" "$link"
  tar -xf "$archive_path" -C "$executable_dir" "$executable"
}

_is_version_newer() {
  ! printf '%s\n' "$1" "$2" | sort -CV
}

_cleanup() {
  rm -rf "$tmp_dir"
}

trap _cleanup EXIT


if _is_version_newer "$new_version" "$cur_version"; then
  echo "New version found, upgrading..."
  _update
else
  echo "No new version found"
fi