vms/nix/validate.nix

{
  writeShellApplication,
  findutils,
  packer,
  ...
}:
writeShellApplication {
  name = "validate";
  runtimeInputs = [
    findutils
    packer
  ];
  text = ''
    shopt -s globstar
    if [ -e "''${PACKER_CONFIG_DIR}" ]; then
    	find "''${PACKER_CONFIG_DIR}" -name '*_linux_amd64' -exec chmod +x '{}' ";"
    fi
    packer init sources
    for vars in distros/**/*.pkrvars.hcl; do
    	packer validate -except=upload "-var-file=''${vars}" sources/
    done
  '';
}