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Ayke van Laethem
2194d447e9
... instead of generating one with math/rand. The problem was that math/rand is deterministic across runs, resulting in a possible race when trying to create the same directory between two processes. Additionally, because I used `os.MkdirAll`, no error was reported when the directory already existed. The solution to this is to use the stdlib function designed for this: ioutil.TempDir.