in src/main/java/org/apache/sling/feature/modelconverter/ProvisioningToFeature.java [527:534]
private static String getBareFileName(File file) {
String bareFileName = file.getName();
int idx = bareFileName.lastIndexOf('.');
if (idx > 0) {
bareFileName = bareFileName.substring(0, idx);
}
return bareFileName;
}