update dsc from a newer quay tag

dsc-update.sh

#!/bin/bash
if [[ $1 ]]; then 
    DSC_VERSION="${1}"
else
    DSC_VERSION="next"
fi

cd /tmp || exit; 
curl -sSLO https://raw.githubusercontent.com/redhat-developer/devspaces-chectl/devspaces-3-rhel-8/build/scripts/installDscFromContainer.sh; chmod +x installDscFromContainer.sh
./installDscFromContainer.sh "quay.io/devspaces/dsc:${DSC_VERSION}" -t $HOME --verbose
DSC_HOME="${HOME}/dsc"
if [[ -d ${DSC_HOME}/bin ]]; then \
  export PATH=${PATH%":${DSC_HOME}/bin"}:${DSC_HOME}/bin; 
  echo "Run this to update your path:"
  echo "export PATH=${PATH%":${DSC_HOME}/bin"}:${DSC_HOME}/bin"
else \
  echo "An error occurred installing dsc $DSC_VERSION for arch $DSC_ARCH ! Check if ${DSC_TGZ_URL} is a valid file."; \
fi