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feat: reload clean buffers and guard external-change writes

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Valdemar Høgsvig Lorenzen
2026-10-12 22:27:08 +02:00
parent bb5c247ab2
commit 298d586c3e
7 changed files with 556 additions and 41 deletions
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docs/configuration.md
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@@ -148,7 +148,7 @@ Normal `dd` and `cc` delete/change complete rows, with leading counts. Bind `con
| Normal, Visual | `insert_first_nonblank`, `append_line_end`, `clone_above`, `clone_below` |
| Normal | `join_lines`, `undo`, `redo`, `command` |
| Normal | `delete_line`, `change_line` |
| Normal | `save`, `quit`, `force_quit`, `save_and_quit`, `plugins` |
| Normal | `save`, `force_save`, `quit`, `force_quit`, `save_and_quit`, `force_save_and_quit`, `plugins` |
| Normal | `edit`, `buffers`, `buffer`, `buffer_next`, `buffer_previous`, `buffer_delete`, `buffer_force_delete` |
| Normal | `follow_link` |
| Normal | `diff` |
@@ -180,7 +180,11 @@ Normal `dd` and `cc` delete/change complete rows, with leading counts. Bind `con
`core.select` (`v`) and `core.select_linewise` (`V`) select characterwise and whole-row Visual shapes. Switching selectors retains endpoints; pressing the active shape's selector again cancels. Both use `config.modes.visual`; there is no separate linewise binding mode. `core.select_lines` (Visual Ctrl+l) still splits touched rows into Normal carets.
`core.save` saves the current path; `core.save_and_quit` saves the active buffer and quits only if no buffer remains dirty. `core.quit` refuses unsaved changes in any buffer. `core.edit` and `core.buffer` open prefilled Ex prompts for their required path or buffer ID; deletion actions target the current buffer. Configured `core.force_quit`, `core.buffer_force_delete`, `core.pane.force_close`, and `core.tab.force_close` keys act immediately, without confirmation.
`core.save` saves the current path; `core.save_and_quit` saves the active buffer and quits only if no buffer remains dirty. Both re-read disk text and compare its LF-normalized content with the saved baseline, refusing external changes or deletion with a warning. `core.force_save` and `core.force_save_and_quit` explicitly bypass that external-change check, but never historical-snapshot read-only protection, target-symlink rejection, or another loaded buffer's path ownership. Their canonical commands are `:force_save [path]` and `:force_save_and_quit [path]`, with aliases `:w!` and `:wq!`; guarded `:save [path]` / `:w` and `:save_and_quit [path]` / `:wq` remain unchanged. A new buffer opened at a nonexistent path may save normally. Configured force-save actions act immediately, without confirmation.
Live clean buffers reload external changes automatically, including inactive tabs/panes, using 250 ms metadata checks and reading content only when metadata changes. Historical snapshots are excluded; dirty buffers keep their edits. Reload clears stale undo/redo, preserves and clamps view positions, and invalidates outdated annotations/requests. Missing, unreadable, or invalid changed files preserve text and report a warning. This polling does not replace the actual-content recheck on save.
`core.quit` refuses unsaved changes in any buffer. `core.edit` and `core.buffer` open prefilled Ex prompts for their required path or buffer ID; deletion actions target the current buffer. Configured `core.force_quit`, `core.buffer_force_delete`, `core.pane.force_close`, and `core.tab.force_close` keys act immediately, without confirmation.
## Binding overrides and failures