Install TMP Essential Resources

install_tmp_essentials.sh

mkdir tmp.plugin
wget -q https://download.packages.unity.com/com.unity.textmeshpro/-/com.unity.textmeshpro-2.0.1.tgz -O tmp.plugin/plugin.tgz
tar -C tmp.plugin -xzf tmp.plugin/plugin.tgz
mkdir tmp.package
tar -C tmp.package -xzf 'tmp.plugin/package/Package Resources/TMP Essential Resources.unitypackage'
for pn in tmp.package/*/pathname; do
  id=${pn%/*}
  id=${id#*/}
  p=$(head -1 $pn)
  d=${p%/*}
  mkdir -p "tmp.package/$d"
  [ -f "tmp.package/$id/asset" ] && cp -v "tmp.package/$id/asset" "tmp.package/$p"
  cp "tmp.package/$id/asset.meta" "tmp.package/${p}.meta"
done
mkdir -p 'Assets/TextMesh Pro'
cp -R 'tmp.package/Assets/TextMesh Pro' Assets/
rm -rf tmp.plugin tmp.package