Of course, never do that in prod. The code will break unexpectedly as soon as you start adding exotic locale…(For starter, the unit won’t pass the [A-Za-z/] regex.)
frizlab
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Tell me if there’s a better way, in the mean time, here’s a screen of the backtrace (nothing’s happening in thread 2).
The code is dead simple:
do {
logger.debug("Treating path \(p)")
var url = URL(fileURLWithPath: p)
let rv = try url.resourceValues(forKeys: [.ubiquitousItemIsExcludedFromSyncKey])
logger.info("Excluding \(p)")
var newRv = rv
newRv.ubiquitousItemIsExcludedFromSync = true
try url.setResourceValues(newRv) /* <- Hangs here */
} catch {
logger.error("Error treating path \(p): \(error)")
}
A possibly interesting note: it seems the ubiquitousItemIsExcludedFromSync value is never filled (it is nil after the resourceValues call)
Bug filed: FB9733892
I have a workaround, but it clearly is a bug on Apple’s end.
I also filed a Feedback (FB13453227).
I did reproduce the issue in iOS 16.0 (simulator); the bug looks fixed in iOS 16.1 as the bug could not be reproduced in a simulator w/ this version and above.
It’s probably related to the shaders having their y axis inverted on iOS 16.0 too…