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Swap file behavior after an upgrade crash Vim creates a temporary swap file (.swp) for each buffer to enable crash recovery. Normally the file is removed when the buffer is closed cleanly. When a Vim upgrade process fails—e.g., due to an interrupted package install or a forced shutdown—the editor may terminate without executing its normal cleanup logic. The
Goal Recover a file after a failed Vim upgrade without data loss. Constraints Swap files created by Vim 8 become stale or incompatible in Vim 9; Vim warns but does not auto‑clean. Uncertainty The documentation does not specify whether Vim should automatically delete or rename stale swap files on startup after an upgrade. Questions Should Vim automatically de
The goal is to confirm that the data recovered by Vim after a crash matches the edits intended by the user, while ensuring that the backup file created by the 'backup' option no longer contains the pre‑edit state. When 'backup' is enabled, Vim creates <file>~ before writing the new content, and a swap file ( <file>.swp ) holds the in‑memory chang
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