FELIX-2699 a configuration option called
has been introduces to prevent fileinstall to write back configuration changes in the original file.
However the implementation skip this write-back if the value of the parameter is FALSE. Logically, it should be TRUE.
Fix is pretty easy ConfigInstaller.java:109, I'm just not sure whether to introduce it or not, since it'll likely break all the applications using this feature.
I documented anyway the current behaviour in the wiki a https://cwiki.apache.org/confluence/display/FELIX/Apache+Felix+File+Install