[GitHub] [daffodil-vscode] mbeckerle commented on issue #576: Handle changes made to an edited file done outside the editor instance

["mbeckerle (via GitHub)" <gi...@apache.org>]

mbeckerle commented on issue #576:
URL: https://github.com/apache/daffodil-vscode/issues/576#issuecomment-1526012802

   One alternative is locking the file somehow so concurrent edits aren't allowed at the system level. 
   (e.g., see https://www.baeldung.com/linux/file-locking)
   
   To me that's very preferable to blindly copying the file. I can always do the copy myself. There is complexity to this having to do with avoiding leaving things locked in presence of failures, etc. 
   
   Detecting a concurrent edit dynamically (every time omegaEdit touches the file, verify that modify time has not changed first, and if it has offering options) and then offering to save to a different location is another approach. That enables lazy copying, which is again very preferable to proactive copying overhead. 
   


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