If your write to a file you can break an application. Perhaps the filesystem notion itself is deeply flawed. We're set up to have soft links (application->file) that are trivial to break, with no safety or warning whatsoever.
If you move a file you can break an application. This means the ‘mv’ operation is deeply flawed. Think about it :-)
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If you write to a file, you can also fix a misbehaving application, so .....
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The problem is built-in fragility in this design. Perhaps the built-in state should be encapsulated and only allow safe/consistent modifications.
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No, the application is deeply flawed.
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It doesn't have to be that way. If all files had a guuid and directory structures and human names were only used by humans, you could move files as much as you liked.
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/me moves GUID-named file to a USB drive, then unplugs it.
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OS would know its been moved to external storage which also has a guid.
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but doesn't prevent app-breakage
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True. I'll have to think a bit more :)
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Content-based addressing could be the germ of a solution
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My favorite memory: “Renaming things with micro services”. It’s a book designed to be burned
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Surely, with great permissions come great responsibility?
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what if you move the app too
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Side effects are a necessity :)
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[mv] is the composition of [cp] together with [rm] on source file. filesystems are ACL-based systems instead of OCap-based ones, so Ambient Authority and Confused Deputies are the rule of thumb here. it's quite easy for an attacker to perform Rights Amplification & break things
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Oh, a koan!
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If you delete an application you can break the application. This means that the 'rm' operation is deeply flawed. If you smash your computer with a fire extinguisher, you can break an application. This means that fire extinguishers are deeply flawed. Think about it :-)
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Actually on OSX if you observe, even if you 'mv' a video file currently being played it will continue to play till the end. So in a way maybe the other filesystems are deeply flawed?
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This is a hard problem. I agree with most of what you say about file systems, but I also believe files are an essential abstraction for general purpose computing. How do we keep computing accesible for everyone while eliminating the quintessential abstraction of portable data?
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