defvalopt '--since-version', '-v', '[^_]+|_', \$changes_since_version;
defvalopt '--distro', '-d', '.+', \$idistro;
defvalopt '--existing-package','', '.*', \$existing_package;
defvalopt '--since-version', '-v', '[^_]+|_', \$changes_since_version;
defvalopt '--distro', '-d', '.+', \$idistro;
defvalopt '--existing-package','', '.*', \$existing_package;