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feat: refresh diffs when selected jj bookmarks move

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Valdemar Lorenzen
2026-10-15 15:18:13 +02:00
parent 1a02502488
commit c32d4a7590
8 changed files with 991 additions and 62 deletions
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docs/editing.md
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@@ -406,9 +406,11 @@ Conflicted jj revisions also discover files without reading every blob. Ordinary
**Working checkout After follows forward checkouts automatically**, checked asynchronously once per second, including inactive tabs. A descendant jj change or Git HEAD rebuilds the changed-file catalog and captures current working bytes plus eligible unsaved buffers, while keeping the original Before frozen. jj tracking uses change IDs, so snapshot/description rewrites of the same change do not advance the endpoint or prevent following its later descendants. Same, backward, and unrelated checkouts do not rebuild the catalog; live-buffer editing and external reload still work normally. Historical After never follows. Set `config.diff_follow_working_copy = false` to disable following.
**Selected jj bookmarks follow their locally known targets automatically**, checked on the same one-second interval, including inactive tabs and with `config.diff_follow_working_copy = false`. Local bookmarks and known remote-tracking bookmarks retain their names; explicit revision selections remain pinned. A changed commit ID, including an amendment of the same change ID, rebuilds the comparison. Branch changes also recomputes the merge base. Unrelated endpoints stay frozen, except for the existing Working After forward-follow behavior. Deleted or conflicted bookmarks keep the last successful comparison visible with an error; a later successful check clears the error. These checks never fetch, contact remotes, or snapshot jj's working copy; privately loaded remote history and advertised remote selections remain frozen.
**Pinned After editability tracks the checkout without moving either endpoint**, checked asynchronously once per second, including inactive tabs and when `config.diff_follow_working_copy = false`. Git matches the selected commit to HEAD; jj matches its change ID so snapshot/description rewrites of the same change remain editable. A matching After uses the shared live buffer. Switching away restores the original read-only After snapshot; switching back reuses the live buffer's unsaved edits and undo history. A failed checkout check revokes pinned After editing until a successful check restores eligibility.
Refresh retains the selected path when still present, explorer query/view/visibility, logical text-side focus, and split/unified/orientation/wrap choices; moving the Working endpoint clears review marks, while pinned checkout-only transitions retain them. Removed selections fall back to the first changed file. Failed refreshes keep the previous comparison visible. Superseded file loads and LSP navigation cannot apply to the new comparison; snapshots still displayed in other panes or tabs remain read-only.
Refresh retains the selected path when still present, explorer query/view/visibility, logical text-side focus, and split/unified/orientation/wrap choices; moving a Working or bookmark endpoint clears review marks, while pinned checkout-only transitions retain them. Removed selections fall back to the first changed file. Bookmark replacements preserve/clamp cursor and scroll positions as replacement content loads. Failed refreshes keep the previous comparison visible. Superseded file loads and LSP navigation cannot apply to the new comparison; snapshots still displayed in other panes or tabs remain read-only.
The changed-file explorer is **docked on the right**. In the default split layout, modified files show Before on the left and After on the right. Added files show only After, using the full text workspace; deleted files show only Before. Rename-only files show one empty pane, with the old and new paths in the explorer; renames with text or final-newline changes retain both source sides. Before and unmatched pinned After snapshots are read-only. **Working checkout** or a checkout-matched pinned After binds eligible regular UTF-8 files to normal editor buffers, reusing already-open dirty buffers and their undo history. Editable After supports native edits, completion, undo/redo, and `:w`. Removed files, rename-only files, binary files, symlinks, and submodules remain read-only. Closing the diff keeps its buffers and unsaved edits.