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https://github.com/OrcaSlicer/OrcaSlicer.git
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Hanif Koh
5490320b8b
The sweep's prefix form counted any <name>.<digits> file as a leftover of the old config writer, so a user's OrcaSlicer.conf.1 backup went at the next start. Only the <name>.<pid>.<n>.tmp form is a temporary now, and the name is tested before the entry is stat'ed. The read-only check went by mode bits, which misses a deny-write ACL on Windows and refuses a root-owned file root can write; it asks the OS with access() instead. The two-step rename fallback runs only for the errors a refused replace produces, never for an I/O error that would only lose the target, and says so if the second step fails after the old file is gone. The orphaned-.info scan on the sync thread reads each .info under the lock, so a remove_files() in another instance is seen whole or not at all, and queues the cloud delete after the lock is released, keeping the queue mutex outside it. AppConfig::save() assembles its text before it takes the lock, like Preset::save(). The two bundle loops share one metadata loader, and the two-thread write test counts leftover temporaries rather than every directory entry, since a scanner on Windows may hold the old file under another name for a moment.
OrcaSlicer tests
Building, running and writing tests is documented on the wiki, under How to Test.
Two files here rather than there, because coding agents only read what is in the repository: