> Running on macOS 10.12.6, Xcode 8.3.2, I get to the copyItem call, which
> shows an error on the console:
>
> 2017-11-11 11:18:25.931446+1000 MyApp[32662:2408351] open on /path/to/file:
> Permission denied
>
> But it doesn't go to either of my catch blocks, but goes to the following
> line, where the completion handler is to be run. What is going on?
Known (by Apple) bug. My report was closed as a duplicate of 30350792.
My workaround is to do this in my do block after attempting to copy a file to
saveFileUrl:
try fileManager.copyItem(at: url, to: saveFileUrl)
/// DANGER WILL ROBINSON -- the above call can fail to return an
/// error when the file is not copied. radar filed and
/// closed as a DUPLICATE OF 30350792 which is still open.
/// As a result I must verify that the copied file exists
if !fileManager.fileExists(atPath: (saveFileUrl.path)) {
unexpected(error: nil,
"Cannot copy \(url.path) to \(saveFileUrl.path)")
return false
}
which duplicates what the catch block would do.
Marc
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