> If I apply this patch, how can I revert to the source package when it is fixed in the repo?
When this bug is fixed in the repositories, the package will probably have a higher version number, so it will automatically replace the one you compiled yourself.
> If I apply this patch, how can I revert to the source package when it is fixed in the repo?
When this bug is fixed in the repositories, the package will probably have a higher version number, so it will automatically replace the one you compiled yourself.