"Could not remount /system" error - RootTools library?

[unique-EJ]

Error on Android 7.0 with version 1.7.2, installed from F-Droid.

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The problem is RootTools library (https://github.com/Stericson/RootTools/blob/master/src/main/java/com/stericson/RootTools/internal/Remounter.java#L119) generates this command:

mount -o remount,rw /system

While the newest lineageOS needs this command:

mount -o rw,remount /system

I hope someone will fix this since the problem is located ... original post by @derlaft, in https://github.com/j4velin/SystemAppMover/issues/14#issuecomment-295242278